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APRILIA Classic 125 User Manual

APRILIA Classic 125
64 pages
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Classic 125
use and maintenance
aprilia
part#
8102785

Table of Contents

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APRILIA Classic 125 Specifications

General IconGeneral
Engine TypeSingle cylinder, two-stroke
Cooling SystemLiquid cooled
Fuel SystemCarburetor
IgnitionElectronic
Front SuspensionTelescopic fork
Rear SuspensionMonoshock
Front BrakeDisc
Rear BrakeDrum
Dry Weight118 kg

Summary

FOREWORD AND IMPORTANT INFORMATION

Warning Signs and Symbols

Instructions marked by warning signs for safety and technical information, plus symbols for vehicle versions.

Spare Parts Identification Label

Location and importance of the spare parts identification label for ordering parts.

SAFE DRIVE PRACTICES

Basic Safety Rules Overview

Essential legal and personal requirements for safe vehicle operation, including licensing and condition.

RIDER CLOTHING AND PROTECTION

Helmet Requirements

Requirements for wearing a correctly fastened and homologated crash helmet for safety.

Protective Clothing Guidelines

Wearing light or reflecting clothing for visibility and protection against falls.

Clothing Fit and Safety

Ensuring clothing is tight-fitting and avoids loose items that could interfere with driving.

ACCESSORIES AND LOAD MANAGEMENT

Accessory Installation and Responsibility

Owner's responsibility for choosing, installing, and using accessories safely.

Electrical Safety with Accessories

Avoiding electrical overloads by not modifying existing systems or using unsuitable devices.

Luggage Loading Guidelines

Proper loading of luggage for vehicle balance, security, and stability during travel.

VEHICLE COMPONENT ARRANGEMENT

Main Elements Identification (Fig. 1)

Identification of main vehicle components via numbered labels on the diagram.

Instruments Arrangement Identification (Fig. 2)

Identification of main vehicle components and controls via numbered labels.

INSTRUMENTS AND INDICATORS

Handlebar Controls Identification (Fig. 3)

Identification of all controls located on the handlebars.

Dashboard Instruments and Warning Lights (Fig. 4)

Identification of dashboard instruments and warning lights with their symbols.

MAIN INDEPENDENT CONTROLS

Left Handlebar Controls (Fig. 5)

Details and operation of the controls located on the left side of the handlebar.

RIGHT HANDLEBAR CONTROLS

Headlight Switch Operation

How to operate the headlight switch for different light settings (off, parking, low/high beam).

Start and Engine Stop Switches

Function and operation of the start push button and engine stop switch.

IGNITION, STEERING LOCK, AND TOOL KIT

Ignition Switch and Steering Lock (Fig. 7)

Operation and function of the ignition switch and steering lock mechanism.

Tool Kit Contents and Location (Fig. 8)

Contents and location of the vehicle's standard tool kit.

MAIN COMPONENTS: FUEL AND STORAGE

Fuel System Information

Information on fuel type, tank capacity, and refueling safety precautions.

Crash Helmet/Glove Compartment (Fig. 9)

Accessing and using the under-seat storage compartment for helmets or gloves.

FLUIDS AND BRAKE SYSTEM MAINTENANCE

Transmission Oil Maintenance Guidelines

Guidelines for transmission oil checks, replacement intervals, and disposal.

Mixer Oil Tank Information (Fig. 11)

Details on the mixer oil tank capacity, reserve level, and warning light.

Brake Fluid Recommendations

Advice on brake lever issues and hydraulic system checks.

FRONT BRAKE SYSTEM SERVICE

Front Brake Fluid Level Check (Fig. 12)

Procedure for checking and topping up the front brake fluid level.

Brake Fluid Maintenance

Recommendations for brake fluid replacement and system bleeding.

REAR BRAKE AND OIL PAN GUARD

Rear Brake Adjustment Procedure

Steps to adjust the rear brake lever and stoplight switch for optimal function.

Oil Pan Guard Removal (Fig. 15)

Steps to remove the oil pan guard for access to the engine.

CLUTCH ADJUSTMENT PROCEDURES

Clutch Lever Stroke Adjustment

Adjusting clutch lever stroke for proper engagement and disengagement.

Advanced Clutch Adjustment

Procedure for more complex clutch adjustment if lever adjustment is insufficient.

COOLANT AND SHIFTING LEVER ADJUSTMENT

Coolant System Maintenance

Guidance on coolant changes, leak checks, and contact for service.

Checking and Topping Up Coolant (Fig. 20)

Procedure for checking and topping up coolant levels correctly.

Shifting Lever Height Adjustment (Fig. 19)

Adjusting the position of the shifting lever for comfortable gear changes.

TYRE MAINTENANCE AND SPECIFICATIONS

Tyre Inflation Pressure Recommendations

Recommended tyre inflation pressures for solo rider and rider with passenger.

Tyre Tread Depth and Condition

Importance of checking tyre tread depth and overall condition for grip and safety.

CATALYTIC SILENCER INFORMATION

Silencer Safety Precautions

Warnings about the hot catalytic converter and precautions for parking near flammable materials.

Silencer Functionality and Usage

How the catalytic converter works and optimal usage conditions for efficiency.

INSTRUCTIONS FOR USE: PRE-RIDE CHECKS

Preliminary Checking Operations Checklist

A comprehensive checklist for pre-ride safety checks to ensure proper function.

STARTING THE ENGINE PROCEDURES

Standard Engine Start Procedure

Step-by-step guide for safely starting the engine, including fuel cock and ignition.

Cold Start and Flooded Engine Handling

Using the cold start lever and procedures for starting a flooded engine.

DEPARTURE AND DRIVING TECHNIQUES

Pre-Departure Checks

Final checks before starting to ride, including mirrors, stands, and passenger instructions.

Basic Riding and Shifting Techniques

How to start moving, shift gears smoothly, and brake effectively for control.

ENGINE RUNNING-IN PROCEDURE

Importance of Engine Break-in

Why engine break-in is crucial for longevity and performance.

Running-in Speed and RPM Limits

Recommended speed limits and RPM during the running-in period for different mileage intervals.

STOPPING, PARKING, AND THEFT PREVENTION

Vehicle Stopping and Parking Procedures

How to safely decelerate, stop, and park the motorcycle securely.

Theft Prevention Measures

Recommendations for preventing vehicle theft using locks and safe parking practices.

REGULAR MAINTENANCE SCHEDULE

Pre-Maintenance Safety Precautions

Safety precautions and preparations required before performing any maintenance.

Scheduled Maintenance Intervals Chart

Chart detailing scheduled maintenance tasks and their recommended intervals.

VEHICLE IDENTIFICATION DATA

Engine Number Location (Fig. 28)

Location and importance of the engine number stamping on the engine block.

Frame Number Location (Fig. 29)

Location and importance of the frame number stamping on the steering column.

CHAIN MAINTENANCE AND ADJUSTMENT

Checking Chain Slack

How to check the chain slack for proper tension and alignment.

CHAIN CARE AND WEAR INSPECTION

Chain Tension Adjustment (Fig. 31)

Procedure for adjusting chain tension using the rear wheel adjusters.

Chain, Sprocket Wear Check

What to look for when checking chain, pinion, and crown wear.

Chain Lubrication and Cleaning

Recommended lubrication and cleaning procedures for the drive chain.

TRANSMISSION OIL LEVEL CHECK

Transmission Oil Level Measurement (Fig. 32)

How to accurately check the transmission oil level using the sight glass.

CHANGING THE TRANSMISSION OIL

Transmission Oil Replacement Procedure (Fig. 33)

Steps for safely draining and refilling the transmission oil.

FRONT WHEEL SERVICE PROCEDURES

Front Wheel Disassembly (Fig. 34)

Steps for safely removing the front wheel, including brake caliper precautions.

Front Wheel Reassembly

Steps for correctly reinstalling the front wheel, ensuring brake function.

REAR WHEEL SERVICE PROCEDURES

Rear Wheel Disassembly (Fig. 35)

Steps for safely removing the rear wheel, including brake cable and chain detachment.

Rear Wheel Reassembly

Steps for correctly reinstalling the rear wheel, ensuring brake and chain alignment.

REMOVING THE FUEL TANK

Fuel Tank Disassembly Procedure

Steps for safely disconnecting and removing the fuel tank, including fuel line and electrical connections.

AIR CLEANER AND SUSPENSION INSPECTION

Air Cleaner Cleaning Procedure (Fig. 38)

How to clean and re-oil the air filter element safely.

Front and Rear Suspension Checks

Procedures for checking front and rear suspension functionality and oil levels.

REAR SUSPENSION ADJUSTMENT

Adjusting Spring Preload (Table 1)

Adjusting rear suspension spring preload for rider weight and road conditions.

Adjusting Shock Absorber Position (Table 2)

Adjusting shock absorber position for ride attitude and road surface.

BRAKE WEAR INSPECTION

Checking Front Brake Pad Wear (Fig. 40)

How to visually check the wear on the front brake pads.

Checking Rear Brake Shoe Wear (Fig. 41)

How to check the wear on the rear brake shoes.

STEERING AND ACCELERATOR CONTROL ADJUSTMENT

Checking Steering for Slack

Procedure for checking steering for looseness and ensuring smooth handlebar rotation.

Adjusting Accelerator Control Cable (Fig. 44)

Adjusting accelerator cable slack for proper throttle and lubrication pump function.

ENGINE IDLING AND MIXER OIL SYSTEM

Adjusting Engine Idle Speed (Fig. 45)

How to adjust the engine's idle speed for smooth and consistent running.

Bleeding the Mixer Oil System (Fig. 46)

Steps to remove air from the mixer oil system to prevent engine damage.

SPARK PLUG AND BATTERY MAINTENANCE

Spark Plug Service Procedures (Fig. 47)

Procedures for removing, cleaning, checking gap, and replacing spark plugs.

Battery Electrolyte Level Check

How to check and maintain the battery's electrolyte level.

BATTERY CARE AND STORAGE

Electrolyte Level Check Procedure (Fig. 48)

Detailed steps for checking and topping up battery electrolyte safely.

Battery Storage Precautions

Precautions for battery care during periods of inactivity and long-term storage.

CHANGING THE FUSES

Fuse Replacement Procedure (Fig. 49)

How to check and replace blown fuses safely, identifying correct amperage.

HEADLIGHT ADJUSTMENT AND BULB REPLACEMENT

Adjusting Headlight Beam Alignment

How to adjust the headlight beam direction for optimal visibility on the road.

Headlight Bulb Replacement (Fig. 52)

Step-by-step guide to safely replace headlight bulbs, including precautions.

BULB REPLACEMENT: DASHBOARD AND REAR LIGHT

Replacing Dashboard and Warning Lights Bulbs

How to replace bulbs in the instrument panel and warning light units.

Replacing Rear Light Bulb (Fig. 55)

Steps to replace the rear light bulb, including bulb orientation.

BULB REPLACEMENT: NUMBER PLATE AND INDICATORS

Replacing Number Plate Bulb

Procedure to replace the number plate bulb and light unit.

Replacing Indicator Bulbs (Fig. 58)

Steps to replace front and rear direction indicator bulbs carefully.

VEHICLE TRANSPORT AND CLEANING

Vehicle Preparation for Transport

How to prepare the vehicle for safe transportation, including draining fluids.

Vehicle Cleaning Guidelines and Precautions

Recommended methods and precautions for cleaning the vehicle, avoiding high-pressure jets.

VEHICLE STORAGE AND RE-ACTIVATION

Long Periods of Inactivity Procedures

Steps to take before storing the vehicle for extended periods to prevent issues.

Recommissioning After Inactivity

Steps to prepare the vehicle after a long period of inactivity, including checks and test ride.

TECHNICAL DATA: DIMENSIONS, ENGINE, CAPACITY

Vehicle Dimensions Specifications

Specifications for vehicle overall dimensions, wheelbase, and ground clearance.

Engine and Capacity Specifications

Details on engine type, displacement, bore/stroke, and fluid capacities.

TECHNICAL DATA: GEARS, TRANSMISSION, FUEL

Gear and Transmission Ratios

Specifications for gearbox, gear ratios, and drive ratios for different versions.

Carburettor and Fuel Supply Specifications

Information on carburettor model, choke tube, and recommended fuel types.

TECHNICAL DATA: FRAME, SUSPENSIONS, BRAKES, WHEELS

Frame and Suspension Specifications

Details on frame type, steering angle, and suspension travel.

Brake, Wheel, and Tyre Specifications

Information on brake systems, wheel sizes, rim types, and tyre dimensions.

TECHNICAL DATA: IGNITION AND ELECTRIC SYSTEM

Ignition System Specifications

Specifications for ignition system, spark advance, spark plug gap, and idle rpm.

Electric System Components

Details on battery, fuses, generator, and all light bulbs used in the electrical system.

LUBRICANT CHART

Recommended Lubricants and Fluids

List of recommended oils, greases, brake fluid, and engine coolant with specifications.

APRILIA IMPORTERS

UK Importer: Aprilia Moto U.K. Ltd

Contact details for the Aprilia UK importer.

Singapore Importer: Ideal Motor Sport

Contact details for the Ideal Motor Sport Pte Ltd, Singapore.

Israel Importer: Aviram & Goldman

Contact details for Aviram & Goldman Import & Marketing Co. Ltd, Israel.

WIRING DIAGRAM - CLASSIC 125

Wiring Diagram Component Key

Numerical key to components shown in the wiring diagram.

WIRING DIAGRAM KEY - CLASSIC 125

Component Identification List

List of numbered electrical components and their descriptions.

Cable Colour Identification

Key to cable colours used in the wiring diagram for easy tracing.

WIRING DIAGRAM - CLASSIC 125 (11 kW VERSION)

Wiring Diagram Component Key (11 kW)

Numerical key to components shown in the wiring diagram for the 11 kW version.

WIRING DIAGRAM KEY - CLASSIC 125 (11 kW VERSION)

Component Identification List (11 kW)

List of numbered electrical components and their descriptions for the 11 kW version.

Cable Colour Identification (11 kW)

Key to cable colours used in the wiring diagram for the 11 kW version.

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