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Yamaha R25 Series User Manual

Yamaha R25 Series
98 pages
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OWNER’S MANUAL
Read this manual carefully before operating this vehicle.
B4P-F8199-30
YZF250

Table of Contents

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Yamaha R25 Series Specifications

General IconGeneral
Engine TypeLiquid-cooled, 4-stroke, DOHC, 4-valve
Displacement249 cc
Fuel SystemFuel Injection
Front SuspensionTelescopic Fork
Dimensions (L x W x H)2, 090 mm x 720 mm x 1, 135 mm
Seat Height780 mm
Curb Weight166 kg
Lubrication SystemWet Sump
Ignition SystemTCI
Frame TypeDiamond
Wheel Base1, 380 mm
Minimum Ground Clearance160 mm
Bore x Stroke60.0 mm x 44.1 mm
Transmission6-speed
Rear SuspensionSwingarm
Front BrakeHydraulic Single Disc Brake
Rear BrakeHydraulic Single Disc Brake
Front Tire110/70-17
Rear Tire140/70-17
Fuel Tank Capacity14 liters
Clutch TypeWet, multiple-disc
Starting SystemElectric

Summary

Introduction

Owner Responsibility and Safe Riding

Outlines owner duties and safe riding principles for motorcycle operation.

Important Manual Information

Location of Important Labels

Safety Information

Responsible Ownership

Details owner's responsibilities for safe motorcycle operation and rider qualifications.

Safe Riding Practices

Provides essential tips for safe operation, visibility, and hazard avoidance.

Protective Apparel Recommendations

Emphasizes critical safety gear like helmets, jackets, and boots for injury prevention.

Carbon Monoxide Poisoning Avoidance

Warns about the dangers of carbon monoxide and safe ventilation practices.

Vehicle Loading Guidelines

Advises on safe cargo placement and weight limits to maintain stability.

Aftermarket Parts and Modifications

Discusses risks associated with non-genuine parts and vehicle modifications.

Tires, Transport, and Helmets

Covers tire recommendations, safe transport, and helmet selection guidelines.

Description

Left View of Motorcycle Components

Identifies major parts and features on the left side of the vehicle.

Right View of Motorcycle Components

Identifies major parts and features on the right side of the vehicle.

Controls and Instruments Overview

Illustrates and labels the handlebar controls and dashboard instruments.

Instrument and Control Functions

Main Switch and Steering Lock Operation

Explains the functions of the main switch and how to lock the steering mechanism.

Indicator Lights and Warning Lights Explained

Details the purpose and operation of various dashboard indicator and warning lights.

Multi-function Meter Unit Features

Describes the speedometer, tachometer, and other display functions of the meter unit.

Meter Displays: Clock, Fuel, and Coolant

Explains how to read and set the clock, fuel gauge, and coolant temperature meter.

Meter Displays: Gear and Multi-function Information

Details the gear position display and various multi-function display modes.

Fuel Consumption Displays

Explains how to view instantaneous and average fuel consumption data.

Oil Change Tripmeter and Shift Timing Light

Describes the oil change reminder and the shift timing indicator light functions.

Self-Diagnosis Device and Handlebar Switches

Covers the vehicle's self-diagnosis system and operation of handlebar switches.

Control Levers and Pedals Operation

Explains the function and operation of the clutch lever, shift pedal, and brake lever.

Brake Pedal and Fuel Tank Cap

Details the operation of the rear brake pedal and the fuel tank cap.

Fuel System Information

Provides instructions for checking fuel levels and safe refueling practices.

Fuel Tank Hoses and Catalytic Converter

Discusses fuel tank breather/overflow hoses and the catalytic converter.

Seat Removal and Installation

Step-by-step guide for removing and installing the passenger and rider seats.

Helmet Holders Usage

Explains how to use the helmet holders located under the passenger seat.

Storage Compartment and Mirrors

Covers the storage compartment and rear view mirror adjustment.

Shock Absorber Assembly Adjustment

Details how to adjust the rear shock absorber's spring preload.

Luggage Strap Holders and Sidestand

Explains luggage strap holder locations and sidestand operation.

Starting Circuit Cut-off System Function

Describes the safety system preventing starting in gear without clutch engagement.

Pre-operation Checks

Fluid and Front Brake Checks

Covers checks for fuel, engine oil, coolant, and front brake condition.

Brake System, Drivetrain, and Control Checks

Details checks for rear brake, clutch, throttle, chain, wheels, pedals, levers, and sidestand.

Operation and Riding Points

Manual Familiarization and Rider Tips

Encourages reading the manual and provides general riding advice and system features.

Engine Starting and Gear Shifting

Explains the procedure for starting the engine and how to shift gears.

Fuel Consumption and Engine Break-in

Offers advice on reducing fuel usage and guidelines for engine break-in.

Parking Procedures and Safety

Provides instructions for safe parking, considering engine heat and vehicle stability.

Periodic Maintenance and Adjustment

Owner's Tool Kit and Maintenance Overview

Introduces the included tool kit and general principles of periodic maintenance.

Emission Control System Maintenance Schedule

Outlines the maintenance tasks and intervals for the emission control system.

General Maintenance and Lubrication Chart

Presents a comprehensive chart detailing regular maintenance and lubrication tasks.

Tire, Wheel, and Chain Maintenance

Details checks and maintenance for tires, wheel bearings, swingarm, and drive chain.

Chassis Fasteners and Lubrication Points

Covers tightening chassis fasteners and lubricating levers and pedals.

Sidestand, Fork, Shock Absorber, and Oil Checks

Outlines checks for sidestand, front fork, shock absorber, and engine oil level.

Filter, Cooling System, and Brake Switches

Details maintenance for air filter, cooling system, and brake light switches.

Throttle Grip and Lighting System Checks

Explains how to check throttle grip and lighting system operation.

Spark Plug Inspection and Replacement

Provides instructions for checking and replacing spark plugs.

Engine Oil Level Check and Oil Change Procedure

Details how to check engine oil level and perform an oil change.

Oil Filter Cartridge Replacement

Step-by-step guide for replacing the engine oil filter cartridge.

Engine Oil Refill and Leak Checks

Covers refilling engine oil and checking for leaks after service.

Coolant Level Check and Reservoir Access

Explains how to check coolant level and access the reservoir.

Coolant Reservoir Refill and Panel Installation

Details refilling the coolant reservoir and reassembling panels.

Air Filter Element Replacement and Check Hose Cleaning

Covers replacing the air filter and cleaning the check hose.

Throttle Grip, Valve Clearance, Tire Pressure Checks

Groups three essential checks for rider comfort and safety.

Tire Inspection and Air Pressure Management

Provides guidelines for inspecting tires and maintaining correct air pressure.

Cast Wheel Checks and Clutch Play Adjustment

Groups wheel checks and clutch lever play adjustment for optimal performance.

Brake Lever Free Play Check

Explains how to check and adjust the front brake lever free play.

Brake Light Switches

Details the adjustment procedure for the rear brake light switch.

Brake Pad Wear Checks

Explains how to check front and rear brake pads for wear using indicator grooves.

Brake Fluid Level Check

Instructs on checking the brake fluid level and identifying potential issues.

Brake Fluid Changing Procedure

Outlines the recommended intervals and precautions for changing brake fluid.

Drive Chain Slack Adjustment

Details how to check and adjust the drive chain slack for optimal performance.

Drive Chain Cleaning and Lubrication

Provides instructions for cleaning and lubricating the drive chain to prevent wear.

Control Cable and Throttle Grip Lubrication

Covers lubrication of control cables and the throttle grip for smooth operation.

Pedal and Lever Lubrication

Explains lubrication for brake/shift pedals and brake/clutch levers.

Sidestand and Swingarm Pivot Lubrication

Details lubrication for the sidestand and swingarm pivots.

Front Fork and Steering Checks

Covers inspection of the front fork condition and steering bearing play.

Wheel Bearing and Battery Checks

Explains how to check wheel bearings and battery connections.

Battery Storage and Charging Procedures

Provides guidelines for storing and charging the vehicle's battery.

Replacing the Fuses

Details the procedure for replacing blown fuses and selecting the correct amperage.

Vehicle Lights Overview

Briefly mentions the LED lighting system.

Turn Signal Light Bulb Replacement

Step-by-step instructions for replacing a turn signal bulb.

License Plate Light Bulb Replacement

Instructions for replacing the license plate light bulb.

Motorcycle Support and Front Wheel Service

Covers safely supporting the motorcycle and removing the front wheel.

Rear Wheel Service Procedure

Details the steps for removing and installing the rear wheel.

General Troubleshooting Guide

Offers advice on diagnosing and resolving common vehicle problems.

Troubleshooting: Starting Problems

Provides a chart to diagnose issues related to starting or engine performance.

Engine Overheating Diagnosis and Coolant Checks

Guides on diagnosing engine overheating and checking coolant levels.

Motorcycle Care and Storage

Matte Color Cleaning Caution

Warns about proper cleaning methods for matte finish parts.

General Motorcycle Cleaning and Care

Provides guidelines for washing and maintaining the motorcycle's appearance.

Detailed Cleaning Procedures and Corrosion Prevention

Explains specific cleaning steps and applying protective sprays.

Brake/Tire Contaminants and Storage Tips

Advises on cleaning brakes/tires and general storage precautions.

Fuel System Protection and Battery Storage

Details protecting the fuel tank and storing the battery for extended periods.

Specifications

Dimensions, Weight, and Engine Specs

Lists key physical dimensions, weight, and engine technical data.

Fuel, Tires, and Brake Specifications

Provides specifications for fuel capacity, tire sizes, and brake types.

Suspension and Electrical System Specs

Details suspension types and electrical system components like battery and lights.

Consumer Information

Vehicle and Engine Identification Numbers

Instructs on recording VIN and engine serial numbers for reference.

Vehicle Data Recording and Usage

Explains how the vehicle's ECU records data and Yamaha's privacy policy.

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