Yamaha XT250X XT250XC 2008 Motorcycle Service Manual Repair PDF

Description

Yamaha XT250X XT250XC 2008 Motorcycle Service Manual Repair PDF DOWNLOAD

DESCRIPTION

Yamaha XT250X / XT250XC 2008 Complete Factory Service Manual

This is the official Yamaha Motor Corporation factory service manual for 2008 model year Yamaha XT250X and XT250XC dual sport motorcycles (Manual LIT-11616-21-52, Part Number 3C5-28197-10, First Edition August 2007). This professional-grade Yamaha service manual PDF provides complete technical documentation, detailed repair procedures, comprehensive maintenance schedules, and diagnostic information needed for servicing and maintaining these popular dual-purpose motorcycles.

Whether you’re a certified Yamaha technician, independent motorcycle mechanic, or enthusiast who performs your own maintenance, this Yamaha XT250 repair manual delivers factory-authorized technical information required for professional-level motorcycle service and maintenance.

MODELS COVERED:

2008 Yamaha XT250X / XT250XC Dual Sport Motorcycles

Model Codes:

• 3C58 (U49) – XT250X/XT250XC U.S. Model
• 3C59 (CAL) – XT250X/XT250XC California Model

Engine Specifications:

• Type: Air-cooled 4-stroke, SOHC Single Cylinder
• Displacement: 249.0 cc (15.2 cu in)
• Bore × Stroke: 74.0 × 58.0 mm (2.91 × 2.28 in)
• Compression Ratio: 9.50:1
• Starting System: Electric starter
• Cylinder Arrangement: Forward-inclined single

Dimensions:

• Overall Length: 2,150 mm (84.6 in)
• Overall Width: 805 mm (31.7 in)
• Overall Height: 1,160 mm (45.7 in)
• Seat Height: 810 mm (31.9 in)
• Wheelbase: 1,360 mm (53.5 in)
• Ground Clearance: 285 mm (11.22 in)
• Minimum Turning Radius: 1,900 mm (74.8 in)

Weight:

• With Oil and Fuel: 132.0 kg (291 lb)
• Maximum Load: 160.0 kg (353 lb)

Fuel:

• Recommended: Unleaded gasoline only
• Fuel Tank Capacity (CAL): 9.1 L (2.40 US gal)
• Fuel Tank Capacity (U49): 9.8 L (2.59 US gal)
• Reserve: 1.9 L (0.50 US gal)

COMPREHENSIVE TABLE OF CONTENTS

CHAPTER 1 – GENERAL INFORMATION

Identification

• Vehicle Identification Number (VIN) Location
• Model Label Information

Important Information

• Preparation for Removal and Disassembly
• Replacement Parts Guidelines
• Gaskets, Oil Seals and O-Rings
• Lock Washers/Plates and Cotter Pins
• Bearings and Oil Seals
• Circlips Installation and Replacement

Checking the Connections

• Electrical Connection Inspection
• Lead and Coupler Testing
• Connector Cleaning and Repair

Special Tools

• Complete Special Tools List with Part Numbers
• Tool Applications and Reference Pages
• U.S.A./Canada vs. International Part Numbers

Special Tools Included:

• Pocket Tester (90890-03132)
• Special Thickness Gauge
• Tappet Adjusting Tool Set
• Digital Tachometer
• Timing Light
• Compression Gauge
• Steering Nut Wrench
• Ring Nut Wrench
• Spoke Wrench
• Fork Seal Driver Tools
• Valve Spring Compressor
• Valve Guide Tools
• Universal Clutch Holder
• Flywheel Puller
• Crankcase Separating Tool
• Crankshaft Installer Tools
• And many more specialized tools

CHAPTER 2 – SPECIFICATIONS

General Specifications

• Complete Dimensions
• Weight Specifications

Engine Specifications

• Engine Type and Configuration
• Displacement and Bore/Stroke
• Compression Ratio
• Fuel Requirements

Chassis Specifications

• Suspension Specifications
• Brake System Details
• Tire Specifications
• Wheel Specifications

Electrical Specifications

• Battery Specifications
• Charging System
• Ignition System
• Lighting System

Tightening Torques

• General Tightening Torque Specifications
• Engine Tightening Torques (Complete)
• Chassis Tightening Torques (Complete)

Lubrication Points and Lubricant Types

• Engine Lubrication Points
• Chassis Lubrication Points
• Engine Oil Lubrication Chart
• Lubrication Diagrams

Cable Routing

• Complete Cable Routing Diagrams

CHAPTER 3 – PERIODIC CHECKS AND ADJUSTMENTS

Maintenance Schedule

• Periodic Maintenance Chart
• Service Intervals

Inspection and Adjustment Procedures:

• Throttle Cable Free Play Adjustment
• Clutch Cable Free Play Adjustment
• Valve Clearance Inspection and Adjustment
• Spark Plug Inspection and Replacement
• Air Filter Service
• Engine Oil and Filter Change
• Coolant System (N/A – air-cooled)
• Drive Chain Slack Adjustment
• Drive Chain Lubrication
• Brake System Inspection
• Brake Fluid Level Check
• Tire Inspection and Pressure
• Steering Head Bearing Adjustment
• Front Fork Oil Change
• Suspension Adjustment
• Battery Maintenance
• Lighting System Check
• Idle Speed Adjustment
• Ignition Timing Check
• Compression Pressure Test
• Carburetor Synchronization

CHAPTER 4 – CHASSIS

Front Wheel

• Front Wheel Removal and Installation
• Front Hub Disassembly and Assembly
• Wheel Bearing Replacement
• Tire Mounting and Balancing
• Spoke Tension Adjustment

Front Fork

• Front Fork Removal and Installation
• Fork Disassembly and Assembly
• Fork Oil Seal Replacement
• Fork Spring Replacement
• Fork Oil Change
• Damper Rod Service

Steering

• Handlebar Removal and Installation
• Steering Head Bearing Service
• Steering Stem Removal
• Triple Clamp Service

Rear Wheel

• Rear Wheel Removal and Installation
• Rear Hub Service
• Wheel Bearing Replacement
• Sprocket Replacement

Rear Suspension

• Swing Arm Removal and Installation
• Swing Arm Bearing Service
• Rear Shock Absorber Service
• Linkage System Service

Brakes

• Front Brake Caliper Service
• Rear Brake Caliper Service
• Master Cylinder Overhaul
• Brake Pad Replacement
• Brake Disc Inspection

Drive Chain and Sprockets

• Drive Chain Removal and Installation
• Chain Inspection
• Sprocket Replacement
• Chain Adjustment

CHAPTER 5 – ENGINE

Engine Removal and Installation

• Engine Removal Procedure
• Engine Installation Procedure

Cylinder Head

• Cylinder Head Removal
• Valve Removal
• Valve Spring Removal
• Valve Guide Removal and Installation
• Valve Guide Reaming
• Valve Seat Cutting
• Valve Lapping
• Valve Assembly
• Camshaft Removal and Installation
• Cam Chain Tensioner Service
• Rocker Arm Service

Cylinder and Piston

• Cylinder Removal
• Piston Removal
• Piston Ring Removal and Installation
• Cylinder Honing
• Piston Clearance Measurement
• Ring End Gap Measurement

Clutch

• Clutch Cover Removal
• Clutch Assembly Removal
• Clutch Plate Inspection
• Clutch Spring Replacement
• Primary Drive Gear Service
• Clutch Installation

Crankcase and Crankshaft

• Crankcase Separation
• Crankshaft Removal
• Crankshaft Bearing Inspection
• Connecting Rod Inspection
• Balancer Shaft Service
• Transmission Shaft Removal
• Gear Inspection
• Shift Fork Inspection
• Crankcase Assembly

Oil Pump

• Oil Pump Removal
• Oil Pump Inspection
• Oil Pump Installation

Starter System

• Starter Motor Removal
• Starter Clutch Service
• Starter Motor Inspection

CHAPTER 6 – FUEL SYSTEM

Carburetor

• Carburetor Removal and Installation
• Carburetor Disassembly
• Jet Needle Adjustment
• Float Height Adjustment
• Pilot Screw Adjustment
• Carburetor Cleaning
• Carburetor Assembly

Fuel Tank and Petcock

• Fuel Tank Removal
• Petcock Service
• Fuel Filter Inspection

Air Filter

• Air Filter Removal
• Air Filter Cleaning
• Air Filter Installation

Throttle Cable

• Cable Removal and Installation
• Cable Routing
• Cable Lubrication

CHAPTER 7 – ELECTRICAL SYSTEM

Battery

• Battery Removal and Installation
• Battery Charging
• Battery Testing

Charging System

• Stator Coil Testing
• Rotor Testing
• Regulator/Rectifier Testing
• Charging System Troubleshooting

Ignition System

• Ignition Coil Testing
• CDI Unit Testing
• Pickup Coil Testing
• Spark Plug Cap Testing
• Ignition Timing Inspection

Starting System

• Starter Motor Testing
• Starter Relay Testing
• Neutral Switch Testing
• Clutch Switch Testing
• Sidestand Switch Testing

Lighting System

• Headlight Bulb Replacement
• Taillight/Brake Light Service
• Turn Signal Service
• Wiring Harness Inspection

Switches and Sensors

• Main Switch Service
• Kill Switch Testing
• Horn Testing
• Speedometer Drive Service

Wiring Diagrams

• Complete Electrical Wiring Diagram
• Wire Color Code Reference

CHAPTER 8 – TROUBLESHOOTING

Troubleshooting Guide

• Engine Will Not Start
• Engine Lacks Power
• Engine Overheats
• Battery Will Not Charge
• Handling Problems
• Brake Problems
• Electrical Problems

Diagnostic Procedures

• Compression Test
• Spark Test
• Fuel System Diagnosis
• Electrical System Diagnosis

Service Call Flow Charts

• Systematic Troubleshooting Approach

WHAT’S INCLUDED IN THIS SERVICE MANUAL:

✓ 282 Pages of Factory Technical Documentation ✓ Complete Disassembly/Assembly Instructions – Step-by-step with exploded diagrams ✓ Special Tools Guide – Complete list with part numbers and applications ✓ Tightening Torque Specifications – All critical fastener torques ✓ Valve Adjustment Procedures – Clearance specs and adjustment method ✓ Carburetor Tuning – Jet settings and adjustment procedures ✓ Electrical Wiring Diagrams – Complete color-coded schematics ✓ Lubrication Charts – All lubrication points with lubricant types ✓ Troubleshooting Guide – Symptom-based diagnostic procedures ✓ Periodic Maintenance Schedule – Complete service intervals ✓ Exploded Parts Diagrams – Sequential disassembly illustrations ✓ Cable Routing Diagrams – Proper cable installation paths ✓ Compression Testing – Diagnostic procedures ✓ Fork Rebuild Procedures – Complete front suspension service ✓ Engine Overhaul – Complete teardown and rebuild procedures

KEY SYSTEMS & COMPONENTS COVERED:

🏍️ ENGINE SYSTEM Complete 249cc SOHC single-cylinder engine service including cylinder head removal, valve service, piston and ring replacement, crankshaft inspection, transmission overhaul, and clutch service.

⚙️ TRANSMISSION & CLUTCH Multi-plate wet clutch service, primary drive gear, shift mechanism, transmission shaft removal, gear inspection, and shift fork service.

🔧 FUEL SYSTEM Carburetor disassembly and tuning, jet needle adjustment, float height setting, air filter service, fuel tank and petcock maintenance.

⚡ ELECTRICAL SYSTEM Charging system diagnosis, ignition system testing, CDI unit troubleshooting, starter motor service, complete wiring diagrams.

🛞 CHASSIS & SUSPENSION Front fork rebuild with seal replacement, rear shock service, swing arm bearing replacement, steering head bearing adjustment, wheel bearing service.

🔩 BRAKES & WHEELS Front and rear disc brake service, caliper overhaul, master cylinder rebuild, brake pad replacement, wheel bearing replacement, spoke tension.

⛓️ DRIVE SYSTEM Chain and sprocket replacement, chain adjustment, drive system maintenance.

FILE DETAILS:

WHO NEEDS THIS MANUAL:

This Yamaha XT250 service manual is essential for:

• ✓ Certified Yamaha Technicians
• ✓ Independent Motorcycle Mechanics
• ✓ Motorcycle Repair Shops
• ✓ Dual Sport Enthusiasts (DIY Maintenance)
• ✓ Off-Road Riders
• ✓ Adventure Touring Riders
• ✓ Technical Training Programs
• ✓ Motorcycle Restoration Specialists
• ✓ Fleet Maintenance Personnel

YAMAHA XT250 HIGHLIGHTS:

Reliable Dual Sport Platform:

• Proven 249cc air-cooled SOHC engine
• Electric start for convenience
• Lightweight at 132 kg (291 lb)
• Excellent ground clearance: 285 mm (11.22 in)
• Comfortable seat height: 810 mm (31.9 in)
• Good fuel capacity with reserve

Perfect For:

• ✓ Dual sport riding (street and trail)
• ✓ Adventure touring
• ✓ Commuting
• ✓ Off-road exploring
• ✓ Beginning riders
• ✓ Reliable transportation

MAINTENANCE HIGHLIGHTS:

Routine Service Items:

• Valve clearance adjustment
• Spark plug replacement
• Air filter cleaning
• Engine oil changes
• Drive chain adjustment and lubrication
• Carburetor cleaning and tuning
• Brake system inspection
• Fork oil changes
• Tire pressure checks
• Battery maintenance

Major Service Procedures:

• Valve service and lapping
• Piston and ring replacement
• Clutch plate replacement
• Fork seal replacement
• Wheel bearing replacement
• Carburetor rebuild
• Electrical system diagnosis

SPECIAL TOOLS DOCUMENTED:

This manual includes complete special tools information:

• Part numbers for U.S.A./Canada and international markets
• Detailed illustrations of each tool
• Specific applications and reference pages
• Alternative tool recommendations
• Tool usage instructions

Categories Include:

• Engine service tools
• Valve service tools
• Clutch service tools
• Fork service tools
• Electrical diagnostic tools
• Measurement tools
• Installation/removal tools

EXPLODED DIAGRAMS FEATURE:

User-Friendly Layout:

• Sequential numbering for disassembly steps
• Symbols indicating parts to be lubricated or replaced
• Job instruction charts with part names
• Detailed notes for each procedure
• Clear illustrations for every major assembly

CALIFORNIA vs. U.S. MODEL DIFFERENCES:

This manual covers both:

• 3C59 (CAL) – California emissions model
• 3C58 (U49) – U.S. standard model

Fuel tank capacity variations documented.

📥 Download this Yamaha XT250X/XT250XC service manual PDF instantly and get factory-authorized repair procedures! Complete with 282 pages of technical documentation, exploded diagrams, torque specifications, wiring diagrams, and troubleshooting guides for the reliable 2008 XT250 dual sport motorcycle.

Pricing Rationale:

• Professional motorcycle service manual
• 282 pages of comprehensive factory documentation
• Covers 2 model variations (XT250X, XT250XC)
• Complete special tools list with part numbers
• Detailed exploded diagrams and illustrations
• Popular dual sport model with enthusiast following
• Essential for DIY maintenance and professional service
• Competitive pricing for single-year motorcycle manual
• Good value for XT250 owners and mechanics
• Includes both California and U.S. model specifications