Target Audience:
Yamaha WR250 owners, mechanics, and enthusiasts performing maintenance, repair, or restoration.
Value Proposition:
Provides essential part identification and ordering information for the 1994 Yamaha WR250, aiming to be the 'ONLY Parts List Manual You Will Ever Need'.
Uniqueness:
Focuses exclusively on parts cataloging with detailed exploded diagrams, differentiating from comprehensive service manuals that might not have this level of part detail.
Instant Access:
Instant download capability eliminates shipping costs and waiting time.
Professional Quality:
Described as 'Professional Quality', implying accuracy and clarity.
Engine Components:
Detailed diagrams and part numbers for all engine internal and external components (e.g., cylinder, piston, crankshaft, valves, carburetor, ignition system components).
Transmission Components:
Exploded views and part identification for gearbox, clutch, and drive components.
Chassis And Frame:
Components related to the frame, subframe, swingarm, and suspension mounting points.
Suspension System:
Front forks (telescopic, USD), rear shock absorber, linkage (if applicable), springs, seals, and related hardware.
Braking System:
Front and rear brake calipers, master cylinders, brake lines, brake discs, pads, and associated hardware.
Fuel System:
Fuel tank, petcock, fuel lines, carburetor components, and airbox.
Exhaust System:
Exhaust pipe, muffler, heat shields, and mounting hardware.
Cooling System:
Radiator, hoses, thermostat, and related components (if liquid-cooled).
Electrical System:
Wiring harness components, lighting (headlight, taillight, turn signals), ignition coil, CDI unit, stator, rectifier/regulator, battery, and switches.
Controls And Linkages:
Handlebars, levers (clutch, brake), throttle assembly, gear shift lever, footpegs, and cable routing.
Bodywork And Plastics:
Fairings, shrouds, fenders, seat, fuel tank cover, and associated fasteners.
Wheels And Tires:
Rims, spokes, hubs, bearings, axles, and tire specifications (though tire part numbers might be generic).
Assembly Guidance:
Directly aids in assembly and disassembly through clear exploded diagrams.
Disassembly Guidance:
Essential tool for systematic breakdown of the motorcycle.
Part Identification:
Provides exact manufacturer part numbers for ordering replacements.
Part Verification:
Confirms correct part usage during maintenance or repair.
Troubleshooting Aid:
Facilitates identification of missing or incorrect parts during troubleshooting.
Depth Of Information:
Highly detailed, focusing on individual components and their relationships.
Diagnostic Capabilities:
Indirectly supports diagnostics by ensuring correct component installation and identification.
Repair Information:
Crucial for accurate repair by providing correct part numbers and assembly order.
Customization Support:
Useful for identifying compatible parts for modifications or upgrades.
Engine Type:
Likely a 2-stroke or 4-stroke single-cylinder engine, common for dirt bikes of this era. Specific configuration (e.g., liquid-cooled, reed valve) not detailed in product info.
Displacement:
The 'WR250' designation strongly suggests approximately 250cc displacement. Actual cc would require model-specific research beyond this product description.
Horsepower:
Not specified. This is a parts manual, not a performance guide.
Torque:
Not specified. This is a parts manual, not a performance guide.
Fuel Delivery:
Likely carburetor-fed, common for off-road motorcycles of this period. Manual will detail carburetor components.
Safety Certifications:
Not applicable in the context of a parts manual. Motorcycle safety ratings are typically for the complete vehicle.
Active Safety Components:
Manual will identify components related to braking system (calipers, master cylinders, lines), which are active safety features.
Passive Safety Components:
Manual will identify frame components, but not passive safety features in the automotive sense (e.g., airbags, seatbelts).
Recommended Maintenance:
Not provided. This is a parts manual, not a service manual detailing schedules. However, it is indispensable for sourcing replacement parts for scheduled maintenance.
Engine Oil Type:
Not specified. A full service manual would detail SAE viscosity and API classification. This parts manual is essential for sourcing oil filters.
Coolant Type:
Not specified if applicable (liquid-cooled). Manual identifies cooling system components.
Brake Fluid Type:
Not specified. A service manual would detail DOT 3 or DOT 4. Manual identifies brake system components.
Transmission Oil Type:
Not specified. Manual identifies transmission components.
Common Wear Parts:
Manual is crucial for identifying and replacing common wear items such as brake pads, clutch plates, piston rings, air filters, spark plugs, and suspension seals.
Part Obsolescence:
A parts manual is invaluable for finding obsolete or hard-to-find parts, ensuring the longevity of the motorcycle.
Yamaha Motorcycle Division:
Yamaha has a long and storied history in motorcycle manufacturing, particularly in off-road and performance categories, dating back to the 1950s.
Wr Series Development:
The WR series represents Yamaha's commitment to off-road competition and recreation, evolving from earlier enduro and motocross models. The 1994 WR250 would be part of this lineage.
Manufacturing Location:
Typically manufactured in Japan, though specific plant details are not provided by the manual description.
