Target Audience:
Owners, mechanics, and enthusiasts of the Yamaha PW80 mini-motocross bike seeking to identify and procure replacement parts.
Value Proposition:
Provides essential OEM part identification, vital for maintaining the authenticity and functionality of the Yamaha PW80. Crucial for restoration projects and reliable repairs.
Manual Utility:
Facilitates efficient part ordering, accurate repairs, and comprehensive understanding of the PW80's construction.
Vehicle Coverage:
Yamaha PW80 (all model years typically covered by this parts manual, specific year range may vary but generally targets the era of PW80 production)
Parts Catalog Scope:
Complete listing of all genuine Yamaha parts for the PW80 model, including superseded parts where applicable.
Estimated Page Count:
Refer to actual manual for precise count. Typically 100-200 pages for a comprehensive parts catalog.
Type:
Parts Manual / Catalog
Engine Components:
Cylinder, piston, crankshaft, connecting rod, gears, intake and exhaust systems, cooling system components, ignition system parts, carburetor components, clutch components.
Chassis Components:
Frame, front fork, rear suspension, wheels, tires, brakes (front and rear), handlebars, controls, footpegs, seat, fuel tank, fenders, chain and sprockets.
Electrical Components:
Lighting system parts (headlight, taillight), wiring harness, switches, CDI unit, battery (if applicable), spark plug.
Exhaust System:
Exhaust pipe, muffler, gaskets, heat shields, mounting hardware.
Cooling System:
Air-cooling fins on cylinder and head, no liquid cooling components.
Assembly Disassembly:
Illustrated breakdown of components for assembly and disassembly of various systems.
Part Identification:
Detailed diagrams with exploded views and corresponding part numbers for all replaceable components.
Depth:
Comprehensive OEM part identification, crucial for maintenance, repair, and restoration. Focuses on correct part selection and order.
Diagnostic Aid:
While not a service manual, the detailed exploded views can assist in identifying incorrectly assembled parts or components that may be missing.
Quality:
Factory Quality (High-resolution, clear diagrams)
Binding:
Not Applicable (Digital PDF format)
Paper Type:
Not Applicable (Digital PDF format)
Delivery Method:
Instant Download
Shipping:
No Shipping Cost
Text Search:
Typically Yes, if the PDF is well-indexed and not image-scanned without OCR.
Engine Type:
Air-cooled, 2-stroke, reed valve, single-cylinder
Bore X Stroke:
47 x 45.8 mm
Horsepower Est:
Approx. 7.2 HP @ 7,000 RPM (actual figures may vary by year/spec)
Torque Est:
Approx. 5.2 lb-ft @ 6,000 RPM (actual figures may vary by year/spec)
Fuel Type:
Unleaded gasoline
Fuel Oil Mixture:
50:1 ratio with Yamalube 2-stroke oil (or equivalent TCW-3 rated oil)
Oil Delivery:
Autolube system
Ignition System:
CDI (Capacitor Discharge Ignition)
Gear Ratios:
Specific gear ratios would be detailed within the parts manual breakdown of the gearbox components, but are generally geared for beginner rider usability.
Spark Plug Replacement:
Refer to service manual for specific intervals. Typically checked/cleaned every few rides, replaced as needed.
Air Filter Cleaning:
Regular cleaning recommended, especially after dusty rides. Specific interval in service manual.
Chain Lubrication Tension:
Regularly check and adjust chain tension and lubricate. Intervals depend on riding conditions.
Transmission Oil Change:
Refer to service manual. Typically every 6-12 months or per operating hours.
Transmission Oil:
Yamaha Genuine Gear Oil (or equivalent SAE 80 API GL-4 transmission oil). Capacity: 0.80 liters.
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid (for brake system if applicable, typically drum brakes require less fluid service).
2 Stroke Oil Type:
Yamalube 2 (TCW-3 certified or equivalent premium 2-stroke oil for air-cooled engines).
Common Wear Items:
Clutch plates, rear shock absorber, brake shoes, tires, air filter, piston rings due to age and usage.
Carburetor Clogging:
Can occur from stale fuel or debris. Regular cleaning and proper fuel storage practices are recommended.
Exhaust Carbon Buildup:
Common in 2-stroke engines, requiring periodic decarbonization of the exhaust port and muffler.
Heritage:
Yamaha's long-standing reputation for producing reliable and high-performance motorcycles, including a significant history in off-road and youth motorsports.
Pw Series Legacy:
The PW series, including the PW80, has been a foundational platform for introducing young riders to motorcycling for decades, known for its ease of use and durability.
Key Changes Over Years:
Minor updates typically focused on graphics, color schemes, and possibly minor component revisions for reliability or manufacturing efficiency. Core design remained consistent.
Production Period Est:
Originally introduced in the early 1980s and produced for many years, making it a popular and enduring model.
