Yamaha Virago 250 XV250 Service Repair Workshop Manual 1988-2009 PDF

Description

Yamaha Virago 250 XV250 Complete Service Repair Workshop Manual 1988-2009 PDF DOWNLOAD

DESCRIPTION

This is the complete official Yamaha Virago 250 Service Manual covering the XV250 V-twin cruiser motorcycle models for USA, California, and Canadian markets. This comprehensive factory workshop manual provides professional-grade repair and maintenance information for one of Yamaha’s most popular entry-level cruiser motorcycles.

Models Covered by This Service Manual

Model Designations:

• XV250G (USA) – Model Code: 2UJ4
• XV250GC (California) – Model Code: 3BG4
• XV250SG (Canada/CDN) – Model Code: 3DN5

Starting Serial Numbers:

• USA: JYA2UJE0*SA035101 (Engine: 2UJ-035101)
• California: JYA3BGC0*SA006101 (Engine: 3BG-006101)
• Canada: JYA3DNN0*SA007101 (Engine: 3DN-007101)

Model Years: This manual provides service coverage for Yamaha Virago 250 models from the late 1980s through 2009, with supplementary information for G/GC series updates.

Complete Manual Structure

This Yamaha Virago 250 service manual PDF contains 291 pages of detailed technical documentation organized into clearly indexed chapters with visual thumb tab symbols for quick reference.

GENERAL INFORMATION

Motorcycle Identification

• Vehicle Identification Number (VIN) location and decoding
• Engine serial number location stamped on crankcase
• Model code identification for USA, California, and Canadian variants
• Registration information and licensing authority reference

Safety Information

• Critical safety alert symbols and warnings
• Proper service procedures to prevent injury
• Emission control system maintenance guidelines (USA/California compliance)
• Authorized dealer service information protocol

Manual Usage Guide

• Step-by-step format explanation
• Exploded diagram interpretation
• Illustrated symbol reference system
• Special tool identification markers
• Torque specification notation
• Wear limit and clearance indicators

SPECIFICATIONS

General Specifications

Dimensions & Weight:

• Overall Length: 2,190 mm (86.2 in)
• Overall Width: 815 mm (32.1 in)
• Overall Height: 1,140 mm (44.9 in)
• Seat Height: 685 mm (27.0 in)
• Wheelbase: 1,490 mm (58.7 in)
• Ground Clearance: 145 mm (5.7 in)
• Basic Weight: 147 kg (324 lb) USA/CDN, 148 kg (326 lb) California
• Maximum Load Capacity: 183 kg (404 lb) USA/CDN, 182 kg (401 lb) California

Engine Oil Specifications:

• Type: Yamalube 4 or SAE 20W40 type SE/SF motor oil
• Alternative: SAE 10W30 type SE/SF motor oil
• Periodic Oil Change: 1.4L (1.2 Imp qt, 1.5 US qt)
• With Oil Filter: 1.6L (1.4 Imp qt, 1.7 US qt)
• Total Capacity: 1.8L (1.6 Imp qt, 1.9 US qt)

Spark Plug:

• Type: C6HSA/U20FS-U (NGK/NIPPONDENSO) for USA/California
• Type: CR6HSA/U20FSR-U (NGK/NIPPONDENSO) for Canada
• Spark Plug Gap: 0.6-0.7 mm (0.024-0.028 in)

Tire Specifications:

• Type: With tube
• Front: 3.00-18 47P (CHENG SHIN C916)
• Rear: 130/90-15M/C 66P (CHENG SHIN C915)
• Front Pressure (Loading A): 175 kPa (1.75 kg/cm², 25 psi)
• Rear Pressure (Loading A): 200 kPa (2.0 kg/cm², 28 psi)
• Front Pressure (Loading B): 200 kPa (2.0 kg/cm², 28 psi)
• Rear Pressure (Loading B): 225 kPa (2.25 kg/cm², 32 psi)

Suspension:

• Front: Coil spring/Oil damper telescopic fork
• Rear: Coil spring/Oil damper shock absorbers

Electrical System:

• Headlight: 12V, 65W/60W × 1
• Tail/Brake Light: 12V, 8W/27W × 1
• Turn Signals: 12V, 27W × 2 (front 8W/27W × 2)
• Meter Light: 12V, 3W × 1
• Indicator Lights: Neutral (3W), High Beam (1.7W), Turn (3W)

Engine Maintenance Specifications

Valve System:

• Valve Clearance (Cold):
  • Intake: 0.08-0.12 mm (0.003-0.005 in)
  • Exhaust: 0.10-0.14 mm (0.004-0.006 in)

Valve Dimensions:

• Intake Head Diameter: 25.9-26.1 mm (1.020-1.028 in)
• Exhaust Head Diameter: 21.9-22.1 mm (0.862-0.870 in)
• Valve Seat Width: 0.9-1.1 mm (0.035-0.043 in) for both
• Valve Stem OD (Intake): 4.975-4.990 mm (0.1959-0.1965 in)
• Valve Stem OD (Exhaust): 4.960-4.975 mm (0.1953-0.1959 in)
• Guide Inside Diameter: 5.000-5.012 mm (0.1969-0.1973 in)
• Stem-to-Guide Clearance (Intake): 0.010-0.037 mm
• Stem-to-Guide Clearance (Exhaust): 0.025-0.052 mm
• Service Limits clearly specified for all measurements

Carburetor Specifications:

• Identification Mark: 2UJ10 (USA), 3BG10 (California), 3DM10 (CDN)
• Main Jet: #110
• Main Air Jet: #60
• Jet Needle: 4DM3-1 (USA/California), 4DM1-3 (CDN)
• Needle Jet: 0-0
• Pilot Jet: #17.5
• Pilot Air Jet: #155
• Pilot Screw Setting: 3-1/4 turns (USA/California), 2-5/8 turns (CDN)
• Throttle Valve Size: #140
• Fuel Level: 16.5-17.5 mm (0.65-0.69 in)
• Engine Idle Speed: 1,350-1,450 rpm (USA/California), 1,250-1,350 rpm (CDN)
• Intake Vacuum: 47.9 kPa (360 mmHg, 14.17 inHg)

Chassis Maintenance Specifications

Front Suspension:

• Fork Travel: 140 mm (5.5 in)
• Spring Free Length: 415 mm (16.3 in), Limit: 410 mm
• Spring Rate K1: 7.85 N/mm (0.8 kg/mm, 44.8 lb/in) for 0-106mm stroke
• Spring Rate K2: 11.28 N/mm (1.15 kg/mm, 64.4 lb/in) for 106-140mm stroke
• Oil Capacity: 245 cm³ (8.64 Imp oz, 8.28 US oz)
• Oil Level: 120 mm from top of fully compressed inner tube without spring
• Oil Grade: Yamaha Fork Oil 10WT

Rear Suspension:

• Shock Absorber Travel: 70 mm (2.76 in)
• Spring Free Length: 233 mm (9.17 in), Limit: 226 mm
• Fitting Length: 207.5 mm (8.17 in)
• Spring Rate K1: 15.7 N/mm (1.6 kg/mm, 89.6 lb/in) for 0-48mm stroke
• Spring Rate K2: 22.6 N/mm (2.3 kg/mm, 129 lb/in) for 48-70mm stroke

Wheels:

• Front: 18 × 1.60 spoke wheel (steel rim)
• Rear: 15M/C × MT2.75 spoke wheel (steel rim)
• Rim Runout Limits: Radial and Lateral <2 mm (0.08 in)

Drive Chain:

• Type: 520DS (DAIDO manufacturer)
• Number of Links: 114
• Chain Slack: 30-40 mm (1.2-1.6 in)

Front Disc Brake:

• Type: Single disc
• Disc Diameter × Thickness: 282 × 5.0 mm (11.1 × 0.20 in)
• Brake Pad Thickness: 6.2 mm (0.24 in)
• Pad Wear Limit: 0.8 mm (0.03 in)
• Master Cylinder Bore: 12.70 mm (0.50 in)
• Caliper Cylinder Bore: 25.40 mm (1.00 in) + 30.10 mm (1.19 in)
• Brake Fluid: DOT #4

PERIODIC INSPECTION AND ADJUSTMENT

Comprehensive maintenance procedures including:

• Brake Pad Inspection: Visual inspection criteria, wear measurement procedures, replacement intervals
• Brake System Service: Pad replacement procedures, caliper maintenance, fluid service
• Valve Adjustment: Step-by-step cold engine valve clearance adjustment
• Carburetor Synchronization: Multi-cylinder balancing procedures
• Chain Maintenance: Tension adjustment, lubrication intervals
• Suspension Adjustment: Fork oil level checks, shock preload settings
• Scheduled Service Intervals: Complete maintenance timeline

ENGINE

Complete Engine Service Coverage:

Cylinder Head Service:

• Valve removal and installation procedures
• Valve guide replacement with proper heating/chilling techniques
• Valve seat cutting and lapping procedures
• Camshaft removal and inspection
• Rocker arm service and clearance checks
• Timing chain replacement
• Torque sequences for cylinder head bolts

Cylinder and Piston Service:

• Cylinder bore measurement and honing procedures
• Piston ring installation with gap positioning
• Piston pin replacement
• Cylinder-to-piston clearance specifications
• Ring end gap measurements
• Top dead center (TDC) location procedures

Crankcase and Crankshaft:

• Crankcase splitting procedures
• Crankshaft inspection and runout measurement
• Connecting rod service
• Main bearing replacement
• Crankcase reassembly and sealing
• Oil pump service and inspection

Clutch and Transmission:

• Clutch plate inspection and replacement
• Clutch spring specifications
• Transmission disassembly sequence
• Gear inspection for wear and damage
• Shift mechanism service
• Primary drive service

Lubrication System:

• Oil pump removal and installation
• Oil pressure testing procedures
• Oil filter replacement
• Oil passage cleaning
• Pressure relief valve service

COOLING SYSTEM

(Note: Air-cooled engine – minimal cooling system service)

• Cylinder fin cleaning procedures
• Temperature management guidelines
• Proper oil cooling maintenance

CARBURETION

Complete Carburetor Service:

• Carburetor removal and installation
• Complete disassembly procedures with exploded diagrams
• Jet replacement and sizing
• Float level adjustment with precise measurements
• Pilot screw adjustment procedures
• Throttle cable synchronization
• Air screw settings for altitude adjustment
• Fuel system troubleshooting
• Choke mechanism service
• Overflow and vent line routing

CHASSIS

Front Wheel Service:

• Wheel removal and installation
• Bearing replacement procedures
• Spoke tension adjustment
• Rim inspection and truing
• Axle service and torque specifications

Front Brake System:

• Brake pad inspection and replacement (detailed step-by-step)
• Caliper disassembly and reassembly procedures
• Piston seal replacement
• Master cylinder rebuild
• Brake line bleeding procedures
• Disc inspection for warpage and wear

Front Fork:

• Fork removal from triple clamps
• Fork seal replacement with proper tools
• Oil change procedures
• Spring inspection and replacement
• Bushing wear inspection
• Fork tube straightness verification

Steering Head:

• Bearing inspection and adjustment
• Race replacement procedures
• Proper preload adjustment
• Handlebar removal and installation

Rear Wheel & Final Drive:

• Rear wheel removal
• Drive chain service and adjustment
• Sprocket inspection and replacement
• Wheel bearing service

Rear Suspension:

• Shock absorber removal and installation
• Spring replacement
• Damper service
• Swingarm bearing inspection and replacement
• Linkage maintenance

Frame & Body:

• Frame inspection for cracks and damage
• Fuel tank removal and installation
• Seat and body panel service
• Exhaust system service
• Footpeg and control mounting

ELECTRICAL SYSTEM

Complete Wiring Diagrams:

• Full color-coded XV250(S)G/XV250GC wiring diagram
• Ignition system circuits
• Charging system diagrams
• Lighting circuits
• Switch and control wiring

Electrical Components:

• Battery service and specifications
• Charging system testing (alternator output)
• Ignition system troubleshooting
• Starter motor service
• Lighting system maintenance
• Switch replacement procedures
• Fuse specifications and locations
• Wire routing diagrams to prevent damage

CABLE ROUTING

Detailed diagrams showing proper routing for:

• Throttle cables
• Clutch cable
• Brake cables
• Speedometer cable
• Electrical harnesses
• Proper cable adjustment procedures

TROUBLESHOOTING

Comprehensive diagnostic section including:

• Engine doesn’t start diagnosis flowcharts
• Poor running condition troubleshooting
• Overheating causes and solutions
• Electrical system diagnosis
• Charging system problems
• Clutch and transmission issues
• Brake system troubleshooting
• Suspension problems
• Fuel system diagnostics
• Symptom-based problem solving charts

Special Features of This Manual

Visual Learning Aids:

• Exploded Diagrams: Every major assembly includes detailed exploded views showing part relationships and assembly sequences
• Numbered Callouts: Encircled numerals identify part names, alphabetical letters show alignment marks
• Step Arrows: Faulty condition → corrective action format
• Thumb Tab Symbols: Quick chapter identification system

Professional Quality:

• Written by Yamaha Motor Company Ltd. for authorized dealers
• Same manual used by certified Yamaha technicians
• Comprehensive torque specifications in multiple units
• Precise measurement tolerances with service limits
• Special tool identification with alternatives where applicable

Data Presentation:

• Filling fluid specifications clearly marked
• Lubricant types specified for each application
• Special tools identified with symbols
• Tightening torques in N-m, kg-m, and lb-ft
• Wear limits and clearances highlighted
• Engine speed (RPM) specifications

Safety Integration:

• WARNING symbols for injury prevention
• CAUTION notes to prevent motorcycle damage
• NOTE sections for procedural clarity
• Emission control maintenance guidelines

Who Should Use This Manual?

This Yamaha 250cc carburetor specifications manual is essential for:

• Professional motorcycle technicians
• Yamaha dealership service departments
• Independent motorcycle repair shops
• Experienced DIY mechanics with basic knowledge
• Motorcycle restoration specialists
• Technical training schools
• V-twin cruiser enthusiasts

Important Service Notes

California Emissions: Special emission control system information included for California models (XV250GC) complying with CARB regulations. Periodic maintenance procedures ensure continued compliance with environmental quality objectives.

Proper Service Requirements: This manual assumes basic mechanical knowledge. Without proper understanding of motorcycle repair technology, attempted repairs may render the vehicle unsafe or unfit for use.

Service Information Updates: Yamaha continually improves all models. This manual includes the most current specifications available at publication. For service information changes or model updates, consult authorized Yamaha dealers.

Supplementary Manual Note: This service manual includes supplementary service information for G/GC series models and should be used with base XV250U/XV250UC service data (Reference: 2UJ-28197-10) for complete coverage.

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