2004-2008 Yamaha Raptor 50, YFM50, YFM50S ATV service manual

Product Information

Table of Contents

General Information

1. Vehicle Identification
   • Vehicle Identification Number
   • Model Label
2. Features
   • Wet Multiple Disc Brake
3. Important Information
   • Preparation for Removal and Disassembly
   • Replacement Parts
4. Gaskets, Oil Seals, and O-Rings
   • Lock Washers/Plates and Cotter Pins
   • Bearings and Oil Seals
5. Circlips
   • Checking the Connections
   • Special Tools

Specifications

1. General Specifications
   • Engine Specifications
   • Chassis Specifications
2. Electrical Specifications
   • Tightening Torques
   • Engine Tightening Torques
3. Chassis Tightening Torques
   • How to Use the Conversion Table
   • General Tightening Torque Specifications
4. Lubrication Points and Lubricant Types
   • Engine
   • Lubrication Diagrams
5. Cable Routing

Periodic Checks and Adjustments

1. Introduction
   • Periodic Maintenance Chart for the Emission Control System
   • General Maintenance and Lubrication Chart
2. Seat, Carriers, Fenders, Fuel Tank, and Air Filter
   • Seat
   • Front Carrier, Front Guard, and Front Fender
3. Rear Carrier and Rear Fender
   • Fuel Tank and Air Filter Case
   • Footrest Boards
4. Installing the Rear Skid Plate
   • Engine
   • Adjusting the Valve Clearance
5. Adjusting the Idling Speed
   • Adjusting the Throttle Lever Free Play
   • Adjusting the Speed Limiter
6. Adjusting the Starter Cable
   • Checking the Spark Plug
   • Checking the Ignition Timing
7. Measuring the Compression Pressure
   • Checking the Engine Oil Level
   • Oil Temperature Warning Light Check
8. Changing the Engine Oil
   • Adjusting the Clutch Release
   • Cleaning the Air Filter Element
9. Checking the Carburetor Joint
   • Checking the Fuel Hose
   • Checking the Cylinder Head Breather Hose
10. Checking the Exhaust System
    • Cleaning the Spark Arrester

Chassis

1. Adjusting the Front and Rear Brakes
   • Inspecting and Adjusting the Steering System
   • Inspecting and Adjusting the Suspension System

Engine Overhaul

1. Engine Removal
   • Engine Disassembly
   • Engine Inspection
2. Engine Assembly
   • Engine Installation

Cooling System

1. Inspecting and Replacing the Coolant
   • Inspecting the Radiator and Hoses
   • Inspecting the Water Pump

Fuel System

1. Fuel System Overview
   • Inspecting and Cleaning the Carburetor
   • Inspecting the Fuel Tank and Fuel Lines

Electrical System

1. Electrical System Overview
   • Inspecting and Replacing the Battery
   • Inspecting and Replacing Fuses
2. Inspecting and Replacing Bulbs

Troubleshooting

1. Engine Troubleshooting
   • Electrical Troubleshooting
   • Chassis Troubleshooting

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