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Yamaha WR250F Manual
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Basic Information Identification Make: Yamaha Model: WR250F Year: 2002 Codes Model Code: WR250F Introduction Market Position Vehicle Segment: Competition Off-road Motorcycle Target Audience: Enthusiasts, riders seeking to perform their own...
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Sku: 121687
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| Basic Information | |
| Identification | |
| Make: | Yamaha |
| Model: | WR250F |
| Year: | 2002 |
| Codes | |
| Model Code: | WR250F |
| Introduction | |
| Market Position | |
| Vehicle Segment: | Competition Off-road Motorcycle |
| Target Audience: | Enthusiasts, riders seeking to perform their own maintenance and repairs |
| Competitive Analysis | |
| Manual Advantage: | Official factory data, comprehensive coverage, digital accessibility, cost savings over dealership service |
| Key Features | |
| Content Quality: | Authentic dealer-level information |
| Organization: | Fully indexed for quick reference |
| Visuals: | Highly detailed illustrations |
| Economic Benefit: | Enables significant cost savings on maintenance and repairs |
| Manual Details | |
| Coverage Areas | |
| Engine Repair: | Comprehensive |
| Drivetrain Repair: | Comprehensive |
| Suspension Repair: | Comprehensive |
| Electrical System Repair: | Comprehensive |
| Chassis Maintenance: | Comprehensive |
| Bodywork Repair: | Comprehensive |
| Troubleshooting: | Extensive |
| Periodic Maintenance: | Detailed |
| Page Count | |
| Estimated Pages: | 400+ |
| Manual Type | |
| Type: | Factory Service Manual (Digital) |
| Language | |
| Language: | English |
| Format | |
| Format: | |
| Manual Coverage | |
| Systems Covered | |
| Engine: | 249cc Liquid-cooled 4-stroke DOHC 4-valve |
| Transmission: | Constant mesh 5-speed |
| Fuel System: | Carburetor (Mikuni BSR33) |
| Cooling System: | Liquid-cooled with radiator |
| Ignition System: | CDI |
| Electrical System: | 12V DC, lighting, charging system |
| Suspension Front: | Upside-down telescopic fork |
| Suspension Rear: | Monocross swingarm |
| Brakes Front: | Hydraulic disc |
| Brakes Rear: | Hydraulic disc |
| Wheels Tires: | Spoked wheels, off-road tire specifications |
| Frame Chassis: | Steel semi-double cradle frame |
| Exhaust System: | Stock system details |
| Procedures Included | |
| Disassembly Reassembly: | Complete engine, transmission, suspension, brakes, electrical components |
| Maintenance Tasks: | Oil changes, filter replacements, spark plug service, chain adjustment, valve clearance checks |
| Troubleshooting Guides: | Diagnosis of common starting, running, and electrical issues |
| Repair Instructions: | Component-level repair and replacement procedures |
| Specifications Settings: | Torque values, clearances, adjustments |
| Wiring Diagrams: | Complete electrical system schematics |
| Technical Depth | |
| Depth: | Comprehensive, suitable for DIY mechanics and dealership technicians |
| Detail Level: | Highly detailed with step-by-step instructions and illustrations |
| Manual Specifications | |
| File Format | |
| File Type: | Portable Document Format (PDF) |
| Searchability: | Searchable text content |
| Print Quality | |
| Printability: | Printable (user discretion) |
| Binding Type | |
| Binding: | N/A (Digital File) |
| Paper Type | |
| Paper Quality: | N/A (Digital File) |
| Software Requirements | |
| Reader Software: | Adobe Acrobat Reader or compatible PDF viewer (free) |
| Engine Specifications | |
| Primary Engine | |
| Engine Type: | Liquid-cooled, 4-stroke, DOHC, 4-valve |
| Displacement: | 249 cc |
| Bore X Stroke: | 76.0 mm x 55.0 mm |
| Compression Ratio: | 12.5:1 (Typical for this era WR250F) |
| Performance | |
| Horsepower Estimate: | Approx. 30-35 HP (at crankshaft, varies with tuning) |
| Torque Estimate: | Approx. 24-26 Nm (at crankshaft, varies with tuning) |
| Fuel System | |
| Carburetor Model: | Mikuni BSR33 |
| Fuel Type: | Unleaded gasoline (minimum 91 octane recommended) |
| Lubrication | |
| Oil Type: | Yamalube 4 (or equivalent API SG, SAE 10W-40) |
| Oil Capacity With Filter: | 1.00 L (1.06 US qt) |
| Transmission | |
| Standard | |
| Type: | Constant mesh 5-speed |
| Clutch Type: | Wet, multi-plate |
| Final Drive: | O-ring sealed chain |
| Features | |
| Gear Ratios: | Details within manual |
| Transmission Oil Type: | Yamalube 4 (or equivalent API SG, SAE 10W-40) |
| Transmission Oil Capacity: | 0.75 L (0.79 US qt) |
| Dimensions | |
| Exterior | |
| Overall Length: | 2175 mm (85.6 in) |
| Overall Width: | 825 mm (32.5 in) |
| Overall Height: | 1270 mm (50.0 in) |
| Seat Height: | 970 mm (38.2 in) |
| Wheelbase: | 1470 mm (57.9 in) |
| Ground Clearance: | 360 mm (14.2 in) |
| Weights | |
| Wet Weight: | 114 kg (251.3 lbs) |
| Fuel Tank Capacity: | 9.0 L (2.4 US gal) |
| Safety Features | |
| Ratings | |
| Vehicle Type Safety: | Off-road competition motorcycle; safety is rider-dependent and focused on mechanical integrity |
| Active Features | |
| Brakes: | Powerful hydraulic disc brakes front and rear for reliable stopping power |
| Suspension: | Performance-oriented suspension designed for stability and control in off-road conditions |
| Passive Features | |
| Frame Construction: | Robust steel frame designed for durability and rider confidence |
| Ergonomics: | Designed for optimal rider control and positioning |
| Technology Features | |
| Infotainment | |
| System: | N/A (Pure off-road competition focus) |
| Driver Assistance | |
| Features: | N/A (Pure off-road competition focus) |
| Connectivity | |
| Features: | N/A (Pure off-road competition focus) |
| Maintenance | |
| Service Intervals | |
| Engine Oil Change: | Every 1000 km (600 miles) or 3 months, more frequently under severe use. |
| Air Filter Cleaning: | Every 500 km (300 miles) or as needed based on dust conditions. |
| Spark Plug Inspection: | Every 1000 km (600 miles). |
| Valve Clearance Check: | Every 4000 km (2500 miles). |
| Chain Lubrication Adjustment: | Every 500 km (300 miles) or after riding in wet conditions. |
| Fluid Specifications | |
| Engine Oil: | Yamalube 4 (or equivalent API SG, SAE 10W-40) |
| Transmission Oil: | Yamalube 4 (or equivalent API SG, SAE 10W-40) |
| Coolant: | Permanent type antifreeze coolant (50% solution with distilled water) |
| Brake Fluid: | DOT 3 or DOT 4 |
| Known Issues | |
| Common Wear Items: | Clutch plates, chain and sprockets, fork seals, wheel bearings (typical for off-road use) |
| Carburetor Tuning: | May require periodic adjustment or cleaning due to off-road conditions |
| Vehicle History | |
| Brand Heritage | |
| Manufacturer: | Yamaha Motor Company |
| Brand Specialty: | Renowned for performance motorcycles, including motocross and enduro models |
| Model Evolution | |
| Wr250F Lineage: | The WR250F series is Yamaha's dedicated off-road competition enduro model, evolving from their motocross heritage. |
| 2002 Model Significance: | Represents a key iteration in Yamaha's pursuit of competitive enduro performance, featuring advanced technology for its time. |
| Production | |
| Manufacturing Country: | Japan |
| Awards & Recognition | |
| Recognitions | |
| Model Accolades: | Yamaha's WR series is consistently recognized for its performance and reliability in enduro racing and trail riding. |