Pivot Works Fork Seal Kit
1003-6446 (MFG #: PWFSK-Z001)
$83.21
Sale price
$83.21
Regular price
$83.21
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Pivot Works Fork Seal Kit for Yamaha YZ80 Dirt Bike
Pivot Works Fork Seal Kit for Yamaha YZ80 Dirt Bike
$83.21
Sale price
$83.21
Regular price
$83.21
SKU:1003-6446
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Description
Technical Specifications
- MFG. Part Number PWFSK-Z001
Vehicle Information
Yamaha YZ80 Dirt Bike (1974-2001)
The Yamaha YZ80, a celebrated two-stroke motocross dirt bike, was produced from 1974 to 2001, eventually succeeded by the YZ85. Throughout its production, the YZ80 evolved significantly, transforming from an air-cooled, twin-shock model with drum brakes to a liquid-cooled, monoshock machine equipped with disc brakes. Yamaha did not offer traditional "trims"; instead, model years were often designated with a letter (e.g., YZ80A, YZ80E), indicating yearly updates to the single motocross model. Key evolutionary stages include the introduction of liquid cooling in 1982, a front disc brake in 1986, and a major overhaul in 1993. This 1993 redesign was comprehensive, featuring a larger chassis, new bodywork, dual disc brakes, inverted front forks, and a significantly revised engine. This architecture remained largely consistent until the end of its production in 2001. FAQ:
Q: How do I know if this part fits my YZ80?
A: Use the year and edition selector at the top of the page to confirm compatibility for your specific model.
Maintenance
| Component | Interval | Details |
| Engine Oil (Transmission Oil for 2-Strokes) | Every 5 to 15 hours | Engine oil for 2-strokes refers to transmission oil. The engine itself is lubricated by fuel-oil premix. Change more frequently for aggressive or race riding (5-7 hours) and less for recreational riding (10-15 hours). |
| Oil Filter | Not applicable | 2-stroke engine, does not have a traditional engine oil filter. Transmission oil should be changed at the interval listed above. |
| Drive Belt | Not applicable | The Yamaha YZ80 uses a chain drive system, not a belt. The chain should be regularly cleaned, lubricated, and inspected for proper tension and wear. |
| Spark Plug | Inspect and replace every 30 hours | Replace during pre-season service (for 1974 models). It is recommended to always carry a spare plug for 2-strokes. |
| Air Filter | Clean every 2 to 10 hours | Clean more frequently (every 2-3 hours) in dusty or muddy conditions. Wash, dry, and re-oil the foam filter, and inspect the intake boot. |
| Coolant | Annual inspection | Applicable to liquid-cooled models (from 1982). Earlier models (1974-1981) were air-cooled and do not use coolant. |
Maintenance intervals can vary by model year and riding style. Always consult the official owner's manual for precise information.