Target Audience:
Owners, DIY enthusiasts, independent repair shops specializing in Yamaha off-road motorcycles.
Differentiation:
Make, model, and year specific; detailed diagrams; comprehensive coverage unlike generic manuals.
Ease Of Use:
Easy-to-follow instructions and step-by-step diagrams.
Completeness:
Covers all aspects of repair and maintenance for the specified models.
Coverage Scope:
Comprehensive Workshop Service & Repair
Engine Rebuilding:
Complete engine overhaul procedures, including cylinder, piston, crankshaft, and valve train.
Estimated Page Count:
Difficult to determine without the actual manual, but typically 300-600 pages for this level of detail.
Manual Type:
Service Repair Manual
Engine:
Rebuilding, inspection, adjustment, troubleshooting
Fuel System:
Carburetor overhaul, fuel line maintenance, fuel tank inspection
Lubrication:
Oil specifications, change intervals, lubrication points
Transmission:
Gearshift linkage, sub-transmission, main transmission, clutch, crankshaft, primary shaft
Suspension:
Front and rear wheel suspension, fork and shock absorber service
Brakes:
Hydraulic brake system service, bleeding, pad replacement
Electrical System:
Battery, charging system, ignition system, electric starter, switches, wiring diagrams
Maintenance:
Routine checks, fluid changes, filter replacements, chain adjustment
Repair:
Engine component rebuilds, suspension overhauls, electrical component replacement
Troubleshooting:
Diagnostic procedures for common and uncommon issues
Disassembly Assembly:
Step-by-step guides for major component removal and installation
Wiring Diagrams:
Includes detailed electrical wiring schematics for all systems.
Depth Of Coverage:
Full workshop level, covering everything from basic adjustments to complete engine and transmission rebuilds.
Diagnostic Capabilities:
Provides diagnostic flowcharts and symptom-based troubleshooting guides.
File Type:
PDF (Portable Document Format)
Print Options:
Printable pages, entire manual or selected sections
Binding Type:
Not applicable for digital download (viewable on screen or printed by user)
Paper Type:
Not applicable for digital download
Zoom Functionality:
Zoom in/out for detailed viewing of diagrams and text
Compatibility:
PC/MAC Compatible
Delivery Method:
Instant Download via Email Link
Engine Type:
Likely a 249cc liquid-cooled, four-stroke, DOHC, single-cylinder engine (common for WR250 of this era, though specific variant needs confirmation from manual).
Bore X Stroke:
Typical for this era would be around 74.0 x 58.0 mm, but needs manual confirmation.
Compression Ratio:
Likely in the range of 10.5:1 to 12.0:1, to be confirmed by the manual.
Carburetor Type:
Likely a Mikuni TM34SS or similar flat-slide carburetor.
Fuel Requirement:
Unleaded gasoline, octane rating typically 91 or higher.
Engine Oil Type:
Yamaha recommends specific grades, likely SAE 10W-30 or 10W-40 motorcycle-specific oil meeting API SG or higher.
Engine Oil Capacity:
Typically around 1.0 - 1.2 liters (0.9 - 1.1 US qt) with filter change, to be confirmed.
Transmission Type:
Constant-mesh 6-speed sequential gearbox.
Optional Gear Ratios:
Not applicable; factory gear ratios are standard.
Clutch Type:
Wet, multi-plate clutch.
Transmission Oil Type:
Yamaha recommends specific transmission oil or motorcycle-specific engine oil meeting JASO MA standards.
Transmission Oil Capacity:
Typically around 0.7 - 0.8 liters (0.74 - 0.85 US qt), to be confirmed.
Overall Length:
Specific dimensions vary, but typically around 2150 mm (84.6 in), to be confirmed.
Overall Width:
Specific dimensions vary, but typically around 820 mm (32.3 in), to be confirmed.
Overall Height:
Specific dimensions vary, but typically around 1250 mm (49.2 in), to be confirmed.
Dry Weight:
Typically around 113 kg (249 lbs), to be confirmed.
Wet Weight:
Typically around 125 kg (275 lbs) with all fluids, to be confirmed.
Fuel Tank Capacity:
Typically 9.0 - 10.0 liters (2.4 - 2.6 US gal), to be confirmed.
Braking System:
Hydraulic disc brakes front and rear. Front: dual piston caliper. Rear: single piston caliper.
Suspension Damping:
Adjustable front forks (compression and rebound) and rear shock absorber (preload, compression, rebound) for tailored handling.
Lighting:
Headlight, taillight, brake light, turn signals.
Infotainment System:
Not applicable to this model; it is a performance-oriented dual-sport motorcycle with basic instrumentation.
ABS:
Anti-lock Braking System (ABS) was not a standard feature on dual-sport motorcycles of this era.
Connectivity Features:
Not applicable; no electronic connectivity features are present.
Dashboard Features:
Analog speedometer, odometer, trip meter, engine temperature warning light, neutral indicator light, turn signal indicators.
Engine Oil Change:
Typically every 1,000-3,000 km (600-1,800 miles) or annually, depending on usage. Manual will specify exact intervals.
Air Filter Cleaning:
Frequent cleaning recommended, especially in dusty conditions. Check every few rides, clean/replace as needed.
Spark Plug Inspection:
Typically at 3,000-5,000 km (1,800-3,000 miles). Manual will provide gap and type specifications.
Coolant Type:
Ethylene glycol-based antifreeze, diluted with distilled water. Specific mixture ratio and capacity in manual.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid. Manual will confirm specific type.
Potential Wear Points:
Clutch wear, valve stem seals, carburetor jetting adjustments, suspension seals, chain and sprockets.
Common Troubleshooting:
Carburetor performance issues (cleaning, jetting), starting problems (electrical checks), suspension tuning.
Yamaha Motorcycle Legacy:
Yamaha has a long and successful history in off-road and dual-sport motorcycle racing and production, known for innovation and performance.
Wr250 Development:
The WR250 line evolved from Yamaha's YZ motocross bikes, adapted for broader usability with features like lights and a wider-ratio gearbox, catering to trail riding and enduro.
Manufacturing Location:
Likely manufactured in Japan.
