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Baja BA 250 - User Manual

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I
Always wear a helmet; It could save your Life!
Please obtain, review, and follow provincial / municipal government acts and regulations pertaining to owning
and operating an off-road vehicle.
BA 250 ATV
Read this manual carefully. It contains important safety information.
No one under the age of 16 should operate this ATV
OWNER’S MANUAL
Minimum Age Requirement 16
For More information on ATV Safety Contact
the Baja ATV Safety Hotline at: 866-260-8630
REV B
012809

Table of Contents

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Do you have a question about the Baja BA 250 and is the answer not in the manual?

Summary

Owners Manual Introduction and Key Safety Alert

Minimum Age Requirement

Specifies the minimum age for ATV operation is 16 years.

ATV Safety Hotline

Provides contact information for ATV safety inquiries.

ATV Hazard Warnings and Age-Based Operation

General ATV Hazards

Details risks like collisions, rollovers, and severe injury/death.

ATV Age Categories Explained

Defines youth (Y) and transitional (T) model categories by age.

Product Warranty and Support

Warranty Coverage and Terms

Outlines the 90-day warranty, void conditions, and exclusions.

Customer Support Contact

Provides the toll-free number for customer service inquiries.

Critical Safety Advisories

California Proposition 65 Warning

Alerts to chemicals in exhaust known to cause cancer/birth defects.

Child Operation and Supervision

Warns against operation by children under 16 and emphasizes supervision.

Alcohol, Drug, and Operation

Advises against operating the ATV under the influence of alcohol or drugs.

ATV Component Identification

Left Side Component Labels

Identifies parts like tail light, muffler, and fuel shut off valve.

Right Side Component Labels

Identifies parts like headlight, front shocks, and brake lever.

Understanding Safety Symbols and Manual Usage

Warning and Caution Symbol Meanings

Explains the significance of WARNING and CAUTION symbols in the manual.

Manual as a Permanent Vehicle Part

Emphasizes the manual's importance for current and future owners.

Comprehensive Safety Guidance

Notice to Parents

Advises parents on supervising children and training.

ATV Operation Hazards

Details risks of operating the ATV and the need for proper instruction.

Riding Safety Rules and Precautions

Prohibited Riding Locations

Covers paved surfaces, highways, and nighttime operation.

Riding Gear and Behavior

Details required gear and safe operating practices.

Terrain and Hill Riding

Provides guidance on handling different terrains and slopes safely.

Advanced Riding Safety Techniques

Hill Climbing and Descending

Explains safe procedures for navigating inclines and declines.

Navigating Obstacles and Slippery Surfaces

Covers crossing obstacles and controlling skids on slick terrain.

Riding Through Water and Tire Care

Advises on water crossings and maintaining proper tire pressure.

Vehicle Modifications and Loading Safety

Accessory and Load Capacity Limits

Warns against modifications and exceeding load capacity (331 lbs).

Trailer Towing Prohibition

States the vehicle is not designed for towing trailers.

Additional Safety Resources

Lists contacts for more ATV safety information.

Fuel and Oil Specifications

Recommended Fuel

Specifies using regular unleaded gasoline with 90 octane or higher.

Engine Oil Viscosity Guide

Provides a chart for selecting SAE oil viscosity based on temperature.

Vehicle Labels and Warning Interpretation

Label Identification Numbers

Diagram showing numbered locations of warning labels on the ATV.

Key Warning Label Messages

Details critical warnings regarding helmet use, roads, passengers, and substances.

Vehicle Label Details

Shift Lever and Age Warning

Explains shift lever operation and highlights the 'Under 16' warning.

Passenger Safety Warning

Warns against carrying passengers due to loss of control risk.

Vehicle Use and Capacity Labels

Highway Use Restriction Label

States the vehicle is an ATV, not intended for public highways.

Tire Pressure and Load Limits Label

Specifies cold tire pressure and maximum vehicle load capacity.

Control Functions - Handlebar and Ignition

Indicator Lights Explained

Describes the function of the Red (Reverse) and Green (Neutral) indicators.

Main Key Switch Operation

Details how to use the ignition key switch for starting and stopping.

Left Handlebar Controls

Engine Stop and Start Controls

Explains the engine stop switch and electric start button functions.

Clutch, Light, and Choke Levers

Describes the operation of the clutch, light, and choke levers.

Right Handlebar and Rear Foot Controls

Front Brake and Throttle Controls

Details the front brake lever, throttle lever, and adjustment.

Parking Brake and Fluid Reservoir

Explains parking brake application and brake fluid reservoir location.

Rear Foot Brake Operation

Identifies the rear foot brake and its function.

Fuel System Controls

Fuel Valve Operation

Explains the three positions (ON, OFF, RESERVE) of the fuel valve.

Fuel Tank Cap and Vent Tube

Details how to open, close, and secure the fuel tank cap.

Fueling Safety and Seat Security

Fueling Safety Precautions

Warns against overfilling and improper fueling procedures.

Seat Lock and Installation

Describes how to remove, lock, and install the seat securely.

Before Riding Your ATV

Preparation and Practice

Emphasizes reading the manual, practicing skills, and finding safe riding areas.

Legal Riding and Area Preservation

Advises checking local laws and protecting riding environments.

Control Familiarization

Recommends learning controls without looking before riding.

Pre-Ride Inspection Checklist

Steering and Brake Checks

Ensures smooth steering movement and proper brake lever play/force.

Tire and Fuel System Checks

Verifies tire condition, air pressure, and fuel levels/connections.

Engine and Drive System Checks

Confirms engine stop switch, oil level, throttle, and drive chain condition.

Riding Safety: Load and Modification Concerns

Vehicle Overloading Hazard

Warns that overloading affects handling and can cause accidents.

Modification and Accessory Hazards

Discourages improper modifications and accessory installation.

Tire and Pressure Safety

Highlights risks of improper tires or air pressure for control.

ATV Break-In Procedures

Break-In Period Importance

Stresses the first month's importance for vehicle life and performance.

Throttle and Speed Guidelines

Recommends varying engine speed and limiting throttle opening.

Engine Oil Circulation and Initial Service

Advises warming engine, allowing oil circulation, and timely initial service.

Riding Restrictions and Hazards

Passenger Carrying Prohibition

States carrying passengers reduces balance and control, causing accidents.

Prohibited Riding Locations

Covers paved surfaces, highways, and nighttime operation.

Night Operation Warning

Advises against operating at night due to reduced visibility.

Essential Safety Gear

Helmet and Eye Protection

Emphasizes DOT-approved helmet and eye protection for head safety.

Protective Clothing Recommendations

Details required clothing like gloves, boots, and long-sleeved attire.

Riding Conduct and Speed Warnings

Alcohol, Drugs, and Operation

Reiterates prohibition of alcohol/drugs before or during operation.

Speed and Stunt Riding Hazards

Warns against excessive speeds and performing stunts like wheelies.

Operational Safety Checks and Terrain Awareness

Inspection and Maintenance Importance

Highlights hazards of improper inspection or maintenance.

Rider Hand and Foot Placement

Stresses keeping hands on handlebars and feet on footrests.

Unfamiliar Terrain Caution

Advises extra care on unfamiliar terrain due to hidden hazards.

Starting the ATV Safely

Preventing Unexpected Movement

Warns the ATV may move upon starting; secure parking brake.

Indoor Operation Hazard

Prohibits indoor operation due to exhaust gas hazards.

Step-by-Step Starting Procedure

Outlines the sequence for starting the engine: fuel, choke, key, stop switch, brakes.

Shifting Gears Safely

Gear Shifting Cautions

Advises closing throttle and using clutch when shifting gears.

Coasting and Towing Restrictions

Warns against prolonged coasting and towing with engine off.

Shift Pattern and Operation

Illustrates the shift pattern and details procedures for shifting gears.

Starting Off and Brake Control

Parking Brake Release Caution

Warns of potential movement when releasing parking brake.

Throttle Opening Caution

Warns against sudden throttle application causing wheelies.

Procedure for Starting Off

Details releasing the parking brake, shifting, and applying throttle.

Braking Procedures and Safety

Turning and Braking Hazards

Warns against braking during turns, which can cause slides or rollovers.

Slippery Surface Braking

Advises light, careful braking on slippery surfaces to avoid skids.

Parking Brake Usage

Prohibits engaging the parking brake while the ATV is moving.

Front Hydraulic Brake Inspection

Details inspection of caliper, hose, and fluid level for leaks.

ATV Turning Techniques

Proper Turning Procedure

Explains the technique for turning, including body weight shift.

High-Speed and Sharp Turn Maneuvers

Details leaning body further into turns for balance and stability.

Operating on Hills Safely

Steep Hill Operation Warning

Warns against operating on excessively steep hills due to overturn risk.

Hill Climbing Safety

Provides guidelines for climbing hills, including weight shift and speed.

Hill Navigation Procedures

Climbing a Hill Step-by-Step

Details steps for maintaining speed, shifting weight, and reaching the top.

Descending Hills Improperly

Warns of loss of control and overturn risk when descending hills.

Navigating Hills and Terrain Transitions

Descending a Hill Step-by-Step

Outlines steps for riding down a hill, including body position and braking.

Turning on Hills Hazard

Warns about loss of control and overturn risk when turning on hills.

Handling Uphill Stalls and Obstacles

Uphill Stalling and Rolling Backwards

Provides procedures for stalling or rolling backwards while climbing.

Operating Over Obstacles

Warns against riding over large obstacles and checking for them.

Managing Skids and Obstacle Crossing

Crossing Obstacles Procedure

Details steps for crossing minor obstacles safely.

Skidding and Sliding Hazards

Warns of loss of control and overturn risk from skidding.

Riding Through Water Safely

Shallow Water Crossing

Advises crossing shallow water (under 10cm) at slow, steady speed.

Deep Water and Fast Flow Hazards

Warns against deep or fast-flowing water due to traction loss.

Brake Wear in Wet Conditions

Cautions about brake wear from water, sand, or mud.

Riding in Cold Weather

Cold Weather Pre-Ride Checks

Ensures levers, footrests are free, and checks wheels for freezing.

Frozen Wheel and Brake Hazards

Warns against using engine power to free frozen wheels.

Cold Weather Brake System Safety

Highlights risks of wet/frozen brakes and the need for inspection.

Cold Weather Riding Attire

Proper Clothing for Cold

Emphasizes wearing appropriate clothing to prevent hypothermia.

Loose Clothing Hazard

Warns against wearing loose clothing that could get caught in parts.

Riding on Snow and Ice

Snow-Covered Terrain Hazards

Warns of hidden hazards and loss of control on snow-covered terrain.

Frozen Water Body Hazards

Advises caution on frozen lakes/rivers due to ice breaking risk.

Slippery Surface Control

Emphasizes extra care on ice/snow and practicing skills.

Accessory Use and Vehicle Loading

Accessory and Modification Safety

Warns against improper modifications and accessory installation.

Vehicle Loading Guidelines

Details weight limits, secure mounting, and cargo placement.

Vehicle Loading and Weight Distribution

Cargo Weight Distribution

Recommends even distribution of cargo weight for safe handling.

Load Security and Braking

Stresses securing loads and allowing extra stopping distance.

BA250 Weight Limit

States the total weight limit is 331 lbs (150 Kg) including rider.

Inspection and Maintenance Fundamentals

Importance of Proper Maintenance

Highlights hazards of improper maintenance and keeping ATV in good condition.

Maintenance Under Severe Conditions

Advises more frequent maintenance for dusty, wet, or muddy areas.

Using Quality Replacement Parts

Warns that poor quality parts can damage the ATV.

Periodic Maintenance Schedule

Maintenance Items and Intervals

Lists items like Air Cleaner, Brakes, Oil, with service intervals.

Tools and Spark Plug Service

Provided Tool Kit

Notes that a tool kit is provided with the ATV.

Spark Plug Selection and Installation

Warns about using the correct spark plug and proper installation.

Spark Plug Maintenance

Advises checking plug condition, color, and gap for optimal performance.

Spark Plug Installation and Maintenance Details

Spark Plug Installation Precautions

Details on tightening spark plugs to avoid damaging threads.

Preventing Dirt Contamination

Recommends covering spark plug hole to prevent dirt entry.

Spark Plug Gap Adjustment

Specifies the gap (0.24-0.28 inch) and method for adjustment.

Valve Clearance Inspection

Valve Clearance Specifications

Provides intake (0.002 in) and exhaust (0.003 in) clearance values.

Importance of Valve Adjustment

Explains how incorrect gaps affect engine noise and operation.

Battery Installation Safety Procedures

Battery Handling Precautions

Warns of danger, requiring eyewear, gloves, and child-free area.

Electrolyte Safety and First Aid

Details hazards of sulfuric acid and first aid measures.

Battery Preparation Steps

Electrolyte Filling Procedure

Guides on adding electrolyte to the battery cells.

Post-Filling Battery Stand Time

Recommends letting battery stand for 30 minutes before charging.

Initial Battery Charging Procedure

Connecting Battery Cables

Details connecting positive (red) and negative (black) cables.

Charging Rate and Time

Specifies charging at 0.7 Amps for 5-10 hours.

Battery Installation After Charging

Guides on installing charged battery into tray and connecting wires.

Battery Replacement Warnings

Battery Charging Safety

Warns against opening sealed caps, fast charging, and smoking.

Cable Connection Order

Emphasizes connecting RED cable first, BLACK cable last to prevent explosion.

Throttle Lever Adjustment

Throttle Play Hazard

Warns that inadequate throttle play causes sudden speed rise.

Throttle Lever Play Measurement

Specifies measuring play (3.0-5.0mm) using the adjuster nut.

Adjusting Throttle Lever Play

Details loosening adjuster nut, adjusting play, and tightening.

Idle Speed and Fuel Hose Checks

Idle Speed Adjustment Hazard

Warns that high idle speed can cause unexpected forward launch.

Idle Speed Adjustment Procedure

Outlines warming engine and adjusting idle to 1400-1600 r/min.

Fuel Hose Inspection

Advises inspecting the fuel hose for damage and leakage.

Engine Oil Handling and Safety

Engine Oil Hazards and Precautions

Warns about skin contact, ingestion, and disposal of engine oil.

Correct Oil and Level Importance

Stresses using specified oil and maintaining adequate oil level.

Engine Oil and Filter Maintenance

Checking Engine Oil Level

Details checking oil level on site gauge or dip stick.

Changing Engine Oil and Filter

Outlines procedures for draining oil and cleaning the oil filter screen.

Air Filter Maintenance

Air Cleaner Element Hazard

Warns against running engine without the air cleaner element.

Air Filter Inspection Frequency

Advises frequent inspection in dusty, wet, or muddy conditions.

Air Filter Cleaning and Replacement

Air Filter Removal Steps

Guides on locating and removing the air filter box and element.

Washing the Foam Air Filter

Details washing the foam element with solvent and oil.

Cleaning Safety and Air Filter Precautions

Cleaning Solvent Safety

Warns against using flammable solvents for cleaning ATV parts.

Oil and Solvent Handling

Advises keeping oil and solvent away from children and pets.

Air Filter Integrity and Positioning

Warns against torn filters and improper element positioning.

Drive Chain and Sprocket Inspection

Drive Chain Maintenance Importance

Highlights hazards of riding with a chain in poor condition.

Drive Chain Inspection Criteria

Lists items to check: loose pins, damaged rollers, dry links, wear.

Sprocket Inspection Criteria

Advises checking sprockets for worn or damaged teeth.

Drive Chain Care and Adjustment

Drive Chain Cleaning and Oiling

Outlines washing, drying, and oiling the drive chain.

Drive Chain Slack Warning

Warns that excessive slack can cause chain derailment.

Adjusting Drive Chain Tension

Details loosening bolts, turning axle housing, and tightening nuts.

Tire Specifications and Air Pressure

Improper Tire Hazards

Warns that improper tires or pressure cause loss of control.

Tire Size and Tread

Lists front (AT23X7-10) and rear (AT22X10-10) tire sizes.

Cold Tire Air Pressure

Specifies cold tire pressure for front and rear tires.

Tire, Modification, and Load Safety

Tire Pressure and Type Warning

Reiterates risks of incorrect tire pressure or type.

Modifications and Accessory Hazards

Warns about risks from improper modifications or accessories.

Overloading and Cargo Safety

Warns about handling changes from overloading or improper cargo.

Tire Inflation and Installation Safety

Overfilling Tire Hazard

Warns that overfilling tires can cause them to burst.

Tire Installation Direction

Emphasizes correct tire rotation direction based on sidewall arrows.

Tire Replacement and Repair

Advises care during replacement and methods for tubeless tire repair.

Braking System Inspection and Safety

Brake System Maintenance Importance

Highlights hazards of improper brake maintenance and wear.

Harsh Condition Brake Checks

Advises frequent inspection in mud, water, sand, or extreme conditions.

Front Hydraulic Brake Inspection

Details inspection of caliper, hose, and fluid level for leaks.

Brake Shoe and Rear Brake Inspection

Brake Shoe;Pad Wear Hazard

Warns that riding with worn brake shoes/pads increases accident risk.

Rear Hydraulic Brake Inspection

Details inspecting rear caliper, hose, and fluid level for leaks.

General Lubrication and Maintenance Chart

Importance of Proper Lubrication

Stresses lubrication for smooth operation and vehicle longevity.

Lubrication Points and Schedule

Shows lubrication points (cables, bushings) and refers to maintenance chart.

Troubleshooting Engine Start Issues

Troubleshooting Caution

Warns that improper repairs can cause damage not covered by warranty.

Fuel Draining Hazard

Warns about fire risk when draining fuel from the carburetor.

Fuel Supply Check for Starting

Guides checking fuel tank, valve, and fuel flow to carburetor.

Ignition System Check and Stalling Issues

Spark Test Safety Warning

Warns of high voltage shock risk during spark plug testing.

Ignition System Spark Test

Details procedure to check for spark across the spark plug gap.

Engine Stalling Troubleshooting

Lists causes like fuel issues, fouled spark plug, or idle speed.

Safe ATV Transport Procedures

Fuel Draining for Transport

Advises draining fuel from the carburetor before transporting.

Securing the ATV for Transport

Recommends locking the parking brake and tie-down methods.

ATV Cleaning Procedures

High Pressure Washer Warning

Warns that high pressure washers can damage ATV parts.

Preparation for Cleaning

Advises washing before mud dries and sealing exhaust pipe.

ATV Washing and Post-Cleaning Checks

ATV Washing Guidelines

Provides steps for washing using a garden hose and mild soap.

Wet Brake Hazard Warning

Warns about reduced stopping power with wet brakes after washing.

ATV Storage and Return to Service

Extended Period Storage

Recommends professional service for extended storage or DIY guidelines.

Fuel and Tire Preparation for Storage

Details draining fuel and inflating tires for storage.

External Surface Protection

Advises protecting vinyl, rubber, and painted surfaces.

Returning to Service Procedure

Outlines cleaning, lubrication, and pre-ride inspection before use.

Serial Number Identification

Frame and VIN Number Location

Shows where to find the frame/VIN number on the ATV.

Engine Serial Number Location

Indicates the location of the engine serial number on the crankcase.

BA250 Specifications

Dimensions and Weight

Lists overall length, width, height, wheelbase, ground clearance, and weight.

Engine and Transmission Details

Provides engine type, displacement, bore/stroke, and transmission type.

Electrical, Fuel, Oil, Brakes, Tires

Details ignition, battery, spark plug, fuel capacity, brake type, tire size.

BA250 Wiring Diagram

Electrical Component Connections

Illustrates wiring connections for various electrical components.

Emission Control System Warranty

Warranty Rights and Obligations

Details warranty period, conditions, and owner's responsibilities.

Owners Warranty Responsibilities

Stresses performing maintenance and presenting vehicle for service.

Warranty Coverage Details

Defines what the distributor warrants regarding design and defects.

Emission Control Warranty Exclusions

Covered Emission Components

Lists components like fuel injection, carburetor, ignition system.

Warranty Exclusions and Limitations

Lists items not covered: abuse, neglect, expendable parts, alterations.

Warranty Liability and Limitations

Racing Use Voiding Warranty

States that competitive racing use voids all warranties.

Distributors Limited Liability

Defines the distributor's liability and disclaims consequential damages.

Baja Motorsports Contact Information

Company Address and Phone

Provides Baja, INC. P.O. Box, Phoenix, AZ, Tel, and Toll Free numbers.

Summary

Owners Manual Introduction and Key Safety Alert

Minimum Age Requirement

Specifies the minimum age for ATV operation is 16 years.

ATV Safety Hotline

Provides contact information for ATV safety inquiries.

ATV Hazard Warnings and Age-Based Operation

General ATV Hazards

Details risks like collisions, rollovers, and severe injury/death.

ATV Age Categories Explained

Defines youth (Y) and transitional (T) model categories by age.

Product Warranty and Support

Warranty Coverage and Terms

Outlines the 90-day warranty, void conditions, and exclusions.

Customer Support Contact

Provides the toll-free number for customer service inquiries.

Critical Safety Advisories

California Proposition 65 Warning

Alerts to chemicals in exhaust known to cause cancer/birth defects.

Child Operation and Supervision

Warns against operation by children under 16 and emphasizes supervision.

Alcohol, Drug, and Operation

Advises against operating the ATV under the influence of alcohol or drugs.

ATV Component Identification

Left Side Component Labels

Identifies parts like tail light, muffler, and fuel shut off valve.

Right Side Component Labels

Identifies parts like headlight, front shocks, and brake lever.

Understanding Safety Symbols and Manual Usage

Warning and Caution Symbol Meanings

Explains the significance of WARNING and CAUTION symbols in the manual.

Manual as a Permanent Vehicle Part

Emphasizes the manual's importance for current and future owners.

Comprehensive Safety Guidance

Notice to Parents

Advises parents on supervising children and training.

ATV Operation Hazards

Details risks of operating the ATV and the need for proper instruction.

Riding Safety Rules and Precautions

Prohibited Riding Locations

Covers paved surfaces, highways, and nighttime operation.

Riding Gear and Behavior

Details required gear and safe operating practices.

Terrain and Hill Riding

Provides guidance on handling different terrains and slopes safely.

Advanced Riding Safety Techniques

Hill Climbing and Descending

Explains safe procedures for navigating inclines and declines.

Navigating Obstacles and Slippery Surfaces

Covers crossing obstacles and controlling skids on slick terrain.

Riding Through Water and Tire Care

Advises on water crossings and maintaining proper tire pressure.

Vehicle Modifications and Loading Safety

Accessory and Load Capacity Limits

Warns against modifications and exceeding load capacity (331 lbs).

Trailer Towing Prohibition

States the vehicle is not designed for towing trailers.

Additional Safety Resources

Lists contacts for more ATV safety information.

Fuel and Oil Specifications

Recommended Fuel

Specifies using regular unleaded gasoline with 90 octane or higher.

Engine Oil Viscosity Guide

Provides a chart for selecting SAE oil viscosity based on temperature.

Vehicle Labels and Warning Interpretation

Label Identification Numbers

Diagram showing numbered locations of warning labels on the ATV.

Key Warning Label Messages

Details critical warnings regarding helmet use, roads, passengers, and substances.

Vehicle Label Details

Shift Lever and Age Warning

Explains shift lever operation and highlights the 'Under 16' warning.

Passenger Safety Warning

Warns against carrying passengers due to loss of control risk.

Vehicle Use and Capacity Labels

Highway Use Restriction Label

States the vehicle is an ATV, not intended for public highways.

Tire Pressure and Load Limits Label

Specifies cold tire pressure and maximum vehicle load capacity.

Control Functions - Handlebar and Ignition

Indicator Lights Explained

Describes the function of the Red (Reverse) and Green (Neutral) indicators.

Main Key Switch Operation

Details how to use the ignition key switch for starting and stopping.

Left Handlebar Controls

Engine Stop and Start Controls

Explains the engine stop switch and electric start button functions.

Clutch, Light, and Choke Levers

Describes the operation of the clutch, light, and choke levers.

Right Handlebar and Rear Foot Controls

Front Brake and Throttle Controls

Details the front brake lever, throttle lever, and adjustment.

Parking Brake and Fluid Reservoir

Explains parking brake application and brake fluid reservoir location.

Rear Foot Brake Operation

Identifies the rear foot brake and its function.

Fuel System Controls

Fuel Valve Operation

Explains the three positions (ON, OFF, RESERVE) of the fuel valve.

Fuel Tank Cap and Vent Tube

Details how to open, close, and secure the fuel tank cap.

Fueling Safety and Seat Security

Fueling Safety Precautions

Warns against overfilling and improper fueling procedures.

Seat Lock and Installation

Describes how to remove, lock, and install the seat securely.

Before Riding Your ATV

Preparation and Practice

Emphasizes reading the manual, practicing skills, and finding safe riding areas.

Legal Riding and Area Preservation

Advises checking local laws and protecting riding environments.

Control Familiarization

Recommends learning controls without looking before riding.

Pre-Ride Inspection Checklist

Steering and Brake Checks

Ensures smooth steering movement and proper brake lever play/force.

Tire and Fuel System Checks

Verifies tire condition, air pressure, and fuel levels/connections.

Engine and Drive System Checks

Confirms engine stop switch, oil level, throttle, and drive chain condition.

Riding Safety: Load and Modification Concerns

Vehicle Overloading Hazard

Warns that overloading affects handling and can cause accidents.

Modification and Accessory Hazards

Discourages improper modifications and accessory installation.

Tire and Pressure Safety

Highlights risks of improper tires or air pressure for control.

ATV Break-In Procedures

Break-In Period Importance

Stresses the first month's importance for vehicle life and performance.

Throttle and Speed Guidelines

Recommends varying engine speed and limiting throttle opening.

Engine Oil Circulation and Initial Service

Advises warming engine, allowing oil circulation, and timely initial service.

Riding Restrictions and Hazards

Passenger Carrying Prohibition

States carrying passengers reduces balance and control, causing accidents.

Prohibited Riding Locations

Covers paved surfaces, highways, and nighttime operation.

Night Operation Warning

Advises against operating at night due to reduced visibility.

Essential Safety Gear

Helmet and Eye Protection

Emphasizes DOT-approved helmet and eye protection for head safety.

Protective Clothing Recommendations

Details required clothing like gloves, boots, and long-sleeved attire.

Riding Conduct and Speed Warnings

Alcohol, Drugs, and Operation

Reiterates prohibition of alcohol/drugs before or during operation.

Speed and Stunt Riding Hazards

Warns against excessive speeds and performing stunts like wheelies.

Operational Safety Checks and Terrain Awareness

Inspection and Maintenance Importance

Highlights hazards of improper inspection or maintenance.

Rider Hand and Foot Placement

Stresses keeping hands on handlebars and feet on footrests.

Unfamiliar Terrain Caution

Advises extra care on unfamiliar terrain due to hidden hazards.

Starting the ATV Safely

Preventing Unexpected Movement

Warns the ATV may move upon starting; secure parking brake.

Indoor Operation Hazard

Prohibits indoor operation due to exhaust gas hazards.

Step-by-Step Starting Procedure

Outlines the sequence for starting the engine: fuel, choke, key, stop switch, brakes.

Shifting Gears Safely

Gear Shifting Cautions

Advises closing throttle and using clutch when shifting gears.

Coasting and Towing Restrictions

Warns against prolonged coasting and towing with engine off.

Shift Pattern and Operation

Illustrates the shift pattern and details procedures for shifting gears.

Starting Off and Brake Control

Parking Brake Release Caution

Warns of potential movement when releasing parking brake.

Throttle Opening Caution

Warns against sudden throttle application causing wheelies.

Procedure for Starting Off

Details releasing the parking brake, shifting, and applying throttle.

Braking Procedures and Safety

Turning and Braking Hazards

Warns against braking during turns, which can cause slides or rollovers.

Slippery Surface Braking

Advises light, careful braking on slippery surfaces to avoid skids.

Parking Brake Usage

Prohibits engaging the parking brake while the ATV is moving.

Front Hydraulic Brake Inspection

Details inspection of caliper, hose, and fluid level for leaks.

ATV Turning Techniques

Proper Turning Procedure

Explains the technique for turning, including body weight shift.

High-Speed and Sharp Turn Maneuvers

Details leaning body further into turns for balance and stability.

Operating on Hills Safely

Steep Hill Operation Warning

Warns against operating on excessively steep hills due to overturn risk.

Hill Climbing Safety

Provides guidelines for climbing hills, including weight shift and speed.

Hill Navigation Procedures

Climbing a Hill Step-by-Step

Details steps for maintaining speed, shifting weight, and reaching the top.

Descending Hills Improperly

Warns of loss of control and overturn risk when descending hills.

Navigating Hills and Terrain Transitions

Descending a Hill Step-by-Step

Outlines steps for riding down a hill, including body position and braking.

Turning on Hills Hazard

Warns about loss of control and overturn risk when turning on hills.

Handling Uphill Stalls and Obstacles

Uphill Stalling and Rolling Backwards

Provides procedures for stalling or rolling backwards while climbing.

Operating Over Obstacles

Warns against riding over large obstacles and checking for them.

Managing Skids and Obstacle Crossing

Crossing Obstacles Procedure

Details steps for crossing minor obstacles safely.

Skidding and Sliding Hazards

Warns of loss of control and overturn risk from skidding.

Riding Through Water Safely

Shallow Water Crossing

Advises crossing shallow water (under 10cm) at slow, steady speed.

Deep Water and Fast Flow Hazards

Warns against deep or fast-flowing water due to traction loss.

Brake Wear in Wet Conditions

Cautions about brake wear from water, sand, or mud.

Riding in Cold Weather

Cold Weather Pre-Ride Checks

Ensures levers, footrests are free, and checks wheels for freezing.

Frozen Wheel and Brake Hazards

Warns against using engine power to free frozen wheels.

Cold Weather Brake System Safety

Highlights risks of wet/frozen brakes and the need for inspection.

Cold Weather Riding Attire

Proper Clothing for Cold

Emphasizes wearing appropriate clothing to prevent hypothermia.

Loose Clothing Hazard

Warns against wearing loose clothing that could get caught in parts.

Riding on Snow and Ice

Snow-Covered Terrain Hazards

Warns of hidden hazards and loss of control on snow-covered terrain.

Frozen Water Body Hazards

Advises caution on frozen lakes/rivers due to ice breaking risk.

Slippery Surface Control

Emphasizes extra care on ice/snow and practicing skills.

Accessory Use and Vehicle Loading

Accessory and Modification Safety

Warns against improper modifications and accessory installation.

Vehicle Loading Guidelines

Details weight limits, secure mounting, and cargo placement.

Vehicle Loading and Weight Distribution

Cargo Weight Distribution

Recommends even distribution of cargo weight for safe handling.

Load Security and Braking

Stresses securing loads and allowing extra stopping distance.

BA250 Weight Limit

States the total weight limit is 331 lbs (150 Kg) including rider.

Inspection and Maintenance Fundamentals

Importance of Proper Maintenance

Highlights hazards of improper maintenance and keeping ATV in good condition.

Maintenance Under Severe Conditions

Advises more frequent maintenance for dusty, wet, or muddy areas.

Using Quality Replacement Parts

Warns that poor quality parts can damage the ATV.

Periodic Maintenance Schedule

Maintenance Items and Intervals

Lists items like Air Cleaner, Brakes, Oil, with service intervals.

Tools and Spark Plug Service

Provided Tool Kit

Notes that a tool kit is provided with the ATV.

Spark Plug Selection and Installation

Warns about using the correct spark plug and proper installation.

Spark Plug Maintenance

Advises checking plug condition, color, and gap for optimal performance.

Spark Plug Installation and Maintenance Details

Spark Plug Installation Precautions

Details on tightening spark plugs to avoid damaging threads.

Preventing Dirt Contamination

Recommends covering spark plug hole to prevent dirt entry.

Spark Plug Gap Adjustment

Specifies the gap (0.24-0.28 inch) and method for adjustment.

Valve Clearance Inspection

Valve Clearance Specifications

Provides intake (0.002 in) and exhaust (0.003 in) clearance values.

Importance of Valve Adjustment

Explains how incorrect gaps affect engine noise and operation.

Battery Installation Safety Procedures

Battery Handling Precautions

Warns of danger, requiring eyewear, gloves, and child-free area.

Electrolyte Safety and First Aid

Details hazards of sulfuric acid and first aid measures.

Battery Preparation Steps

Electrolyte Filling Procedure

Guides on adding electrolyte to the battery cells.

Post-Filling Battery Stand Time

Recommends letting battery stand for 30 minutes before charging.

Initial Battery Charging Procedure

Connecting Battery Cables

Details connecting positive (red) and negative (black) cables.

Charging Rate and Time

Specifies charging at 0.7 Amps for 5-10 hours.

Battery Installation After Charging

Guides on installing charged battery into tray and connecting wires.

Battery Replacement Warnings

Battery Charging Safety

Warns against opening sealed caps, fast charging, and smoking.

Cable Connection Order

Emphasizes connecting RED cable first, BLACK cable last to prevent explosion.

Throttle Lever Adjustment

Throttle Play Hazard

Warns that inadequate throttle play causes sudden speed rise.

Throttle Lever Play Measurement

Specifies measuring play (3.0-5.0mm) using the adjuster nut.

Adjusting Throttle Lever Play

Details loosening adjuster nut, adjusting play, and tightening.

Idle Speed and Fuel Hose Checks

Idle Speed Adjustment Hazard

Warns that high idle speed can cause unexpected forward launch.

Idle Speed Adjustment Procedure

Outlines warming engine and adjusting idle to 1400-1600 r/min.

Fuel Hose Inspection

Advises inspecting the fuel hose for damage and leakage.

Engine Oil Handling and Safety

Engine Oil Hazards and Precautions

Warns about skin contact, ingestion, and disposal of engine oil.

Correct Oil and Level Importance

Stresses using specified oil and maintaining adequate oil level.

Engine Oil and Filter Maintenance

Checking Engine Oil Level

Details checking oil level on site gauge or dip stick.

Changing Engine Oil and Filter

Outlines procedures for draining oil and cleaning the oil filter screen.

Air Filter Maintenance

Air Cleaner Element Hazard

Warns against running engine without the air cleaner element.

Air Filter Inspection Frequency

Advises frequent inspection in dusty, wet, or muddy conditions.

Air Filter Cleaning and Replacement

Air Filter Removal Steps

Guides on locating and removing the air filter box and element.

Washing the Foam Air Filter

Details washing the foam element with solvent and oil.

Cleaning Safety and Air Filter Precautions

Cleaning Solvent Safety

Warns against using flammable solvents for cleaning ATV parts.

Oil and Solvent Handling

Advises keeping oil and solvent away from children and pets.

Air Filter Integrity and Positioning

Warns against torn filters and improper element positioning.

Drive Chain and Sprocket Inspection

Drive Chain Maintenance Importance

Highlights hazards of riding with a chain in poor condition.

Drive Chain Inspection Criteria

Lists items to check: loose pins, damaged rollers, dry links, wear.

Sprocket Inspection Criteria

Advises checking sprockets for worn or damaged teeth.

Drive Chain Care and Adjustment

Drive Chain Cleaning and Oiling

Outlines washing, drying, and oiling the drive chain.

Drive Chain Slack Warning

Warns that excessive slack can cause chain derailment.

Adjusting Drive Chain Tension

Details loosening bolts, turning axle housing, and tightening nuts.

Tire Specifications and Air Pressure

Improper Tire Hazards

Warns that improper tires or pressure cause loss of control.

Tire Size and Tread

Lists front (AT23X7-10) and rear (AT22X10-10) tire sizes.

Cold Tire Air Pressure

Specifies cold tire pressure for front and rear tires.

Tire, Modification, and Load Safety

Tire Pressure and Type Warning

Reiterates risks of incorrect tire pressure or type.

Modifications and Accessory Hazards

Warns about risks from improper modifications or accessories.

Overloading and Cargo Safety

Warns about handling changes from overloading or improper cargo.

Tire Inflation and Installation Safety

Overfilling Tire Hazard

Warns that overfilling tires can cause them to burst.

Tire Installation Direction

Emphasizes correct tire rotation direction based on sidewall arrows.

Tire Replacement and Repair

Advises care during replacement and methods for tubeless tire repair.

Braking System Inspection and Safety

Brake System Maintenance Importance

Highlights hazards of improper brake maintenance and wear.

Harsh Condition Brake Checks

Advises frequent inspection in mud, water, sand, or extreme conditions.

Front Hydraulic Brake Inspection

Details inspection of caliper, hose, and fluid level for leaks.

Brake Shoe and Rear Brake Inspection

Brake Shoe;Pad Wear Hazard

Warns that riding with worn brake shoes/pads increases accident risk.

Rear Hydraulic Brake Inspection

Details inspecting rear caliper, hose, and fluid level for leaks.

General Lubrication and Maintenance Chart

Importance of Proper Lubrication

Stresses lubrication for smooth operation and vehicle longevity.

Lubrication Points and Schedule

Shows lubrication points (cables, bushings) and refers to maintenance chart.

Troubleshooting Engine Start Issues

Troubleshooting Caution

Warns that improper repairs can cause damage not covered by warranty.

Fuel Draining Hazard

Warns about fire risk when draining fuel from the carburetor.

Fuel Supply Check for Starting

Guides checking fuel tank, valve, and fuel flow to carburetor.

Ignition System Check and Stalling Issues

Spark Test Safety Warning

Warns of high voltage shock risk during spark plug testing.

Ignition System Spark Test

Details procedure to check for spark across the spark plug gap.

Engine Stalling Troubleshooting

Lists causes like fuel issues, fouled spark plug, or idle speed.

Safe ATV Transport Procedures

Fuel Draining for Transport

Advises draining fuel from the carburetor before transporting.

Securing the ATV for Transport

Recommends locking the parking brake and tie-down methods.

ATV Cleaning Procedures

High Pressure Washer Warning

Warns that high pressure washers can damage ATV parts.

Preparation for Cleaning

Advises washing before mud dries and sealing exhaust pipe.

ATV Washing and Post-Cleaning Checks

ATV Washing Guidelines

Provides steps for washing using a garden hose and mild soap.

Wet Brake Hazard Warning

Warns about reduced stopping power with wet brakes after washing.

ATV Storage and Return to Service

Extended Period Storage

Recommends professional service for extended storage or DIY guidelines.

Fuel and Tire Preparation for Storage

Details draining fuel and inflating tires for storage.

External Surface Protection

Advises protecting vinyl, rubber, and painted surfaces.

Returning to Service Procedure

Outlines cleaning, lubrication, and pre-ride inspection before use.

Serial Number Identification

Frame and VIN Number Location

Shows where to find the frame/VIN number on the ATV.

Engine Serial Number Location

Indicates the location of the engine serial number on the crankcase.

BA250 Specifications

Dimensions and Weight

Lists overall length, width, height, wheelbase, ground clearance, and weight.

Engine and Transmission Details

Provides engine type, displacement, bore/stroke, and transmission type.

Electrical, Fuel, Oil, Brakes, Tires

Details ignition, battery, spark plug, fuel capacity, brake type, tire size.

BA250 Wiring Diagram

Electrical Component Connections

Illustrates wiring connections for various electrical components.

Emission Control System Warranty

Warranty Rights and Obligations

Details warranty period, conditions, and owner's responsibilities.

Owners Warranty Responsibilities

Stresses performing maintenance and presenting vehicle for service.

Warranty Coverage Details

Defines what the distributor warrants regarding design and defects.

Emission Control Warranty Exclusions

Covered Emission Components

Lists components like fuel injection, carburetor, ignition system.

Warranty Exclusions and Limitations

Lists items not covered: abuse, neglect, expendable parts, alterations.

Warranty Liability and Limitations

Racing Use Voiding Warranty

States that competitive racing use voids all warranties.

Distributors Limited Liability

Defines the distributor's liability and disclaims consequential damages.

Baja Motorsports Contact Information

Company Address and Phone

Provides Baja, INC. P.O. Box, Phoenix, AZ, Tel, and Toll Free numbers.

Baja BA 250 Specifications

General IconGeneral
BrandBaja
ModelBA 250
CategoryOffroad Vehicle
LanguageEnglish

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