Table of Contents
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Table of Contents
Related Manuals for Yamaha 2002 YZ250LC
Summarization of Contents
General Information
Description of Machine Components
Details and diagrams of major motorcycle parts and controls.
Machine Identification
Location of vehicle identification, frame, and engine serial numbers.
Important Information and Safety Precautions
Key guidelines for preparation, disassembly, and general safety.
Special Tools for Maintenance
List and description of specialized tools required for service.
Control Functions Overview
Explanation of the operation of key controls like levers, pedals, and grips.
Starting and Break-in Procedures
Step-by-step instructions for starting the engine and initial break-in.
Torque-Check Points
List of critical fasteners and their specified tightening torques.
Cleaning and Storage Guidelines
Procedures for cleaning the motorcycle and preparing for storage.
Specifications
General Specifications Table
Key technical data including dimensions, weight, engine, fuel, and lubrication.
Maintenance Specifications Details
Detailed specifications for engine, chassis, and electrical components.
General Torque Specifications and Unit Definitions
Standard torque values for fasteners and definitions of measurement units.
Cable Routing Diagram
Illustrations showing the correct routing of cables and hoses.
Regular Inspection and Adjustments
Maintenance Intervals Schedule
Recommended schedule for routine inspections and lubrication.
Pre-Operation Inspection Checklist
Essential checks to ensure the machine is in safe operating condition.
Engine Coolant Inspection and Replacement
Procedures for checking coolant level and replacing coolant.
Brake System Air Bleeding Procedure
Steps for removing air from the hydraulic brake system.
Front Brake Adjustment and Pad Service
Adjusting brake lever position and inspecting/replacing brake pads.
Rear Brake Adjustment and Pad Service
Adjusting brake pedal height and inspecting/replacing brake pads.
Sprockets and Drive Chain Inspection
Checking wear on sprockets and drive chain condition.
Front Fork Inspection and Maintenance
Checking front fork action, oil level, and seals.
Rear Shock Absorber Inspection and Service
Inspecting rear shock absorber action, damage, and leaks.
Tire Pressure and Wheel Inspection
Checking tire pressure, wheel runout, and spoke tension.
Steering Head Inspection and Adjustment
Checking and adjusting steering bearing play and tightness.
Lubrication Points and Procedures
Guide to lubricating all moving parts for smooth operation.
Ignition Timing Check Procedure
Steps for verifying and adjusting ignition timing.
Engine Service
Seat, Fuel Tank, and Side Covers Removal/Installation
Procedures for removing and installing bodywork and fuel tank.
Exhaust Pipe and Silencer Service
Steps for removing and installing the exhaust system components.
Radiator Service Procedures
Instructions for radiator removal, inspection, and installation.
Carburetor and Reed Valve Service
Detailed steps for carburetor removal, disassembly, and reed valve service.
Cylinder Head, Cylinder, and Piston Service
Procedures for servicing cylinder head, cylinder, piston, and rings.
Crankcase and Crankshaft Service
Steps for separating crankcases and servicing crankshaft components.
Transmission, Shift Cam, and Shift Fork Service
Procedures for removing, inspecting, and installing transmission parts.
Chassis Service
Front and Rear Wheel Service
Procedures for removing, installing, and inspecting wheels and related parts.
Front and Rear Brake System Service
Detailed steps for servicing front and rear brake components.
Front Fork Assembly and Service
Instructions for front fork disassembly, assembly, and oil service.
Handlebar Removal and Installation
Steps for removing and reinstalling the handlebar and controls.
Steering System Service Procedures
Procedures for servicing the steering head bearings and components.
Swingarm Service and Inspection
Steps for removing, inspecting, and installing the swingarm assembly.
Rear Shock Absorber Service
Instructions for rear shock absorber removal, inspection, and installation.
Electrical System Service
Electrical Components and Wiring Diagram
Identification of electrical parts and overview of wiring connections.
Ignition System Inspection and Troubleshooting
Diagnostic steps for ignition system malfunctions.
Solenoid Valve System Inspection Steps
Procedures for inspecting the solenoid valve operation and coil.
TPS (Throttle Position Sensor) System Inspection
Steps for inspecting TPS coil resistance and input voltage.
Tuning Procedures
Engine Tuning: Carburetor Settings and Adjustments
Adjusting carburetor settings based on conditions and symptoms.
Chassis Tuning: Sprocket Ratio & Tire Pressure
Selecting secondary gear ratios and adjusting tire pressure.
Front Fork Settings and Adjustments
Adjusting front fork oil level, spring preload, and damping.
Rear Suspension Settings and Adjustments
Adjusting rear suspension spring preload and damping.
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