Vertex Complete Gasket Kit w/o Seals
1005-7409 (MFG #: 808643)
$118.81
Sale price
$118.81
Regular price
$118.81
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Vertex Complete Gasket Kit w/o Seals for Yamaha YZ80 Dirt Bike
Vertex Complete Gasket Kit w/o Seals for Yamaha YZ80 Dirt Bike
$118.81
Sale price
$118.81
Regular price
$118.81
SKU:1005-7409
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Description
When you buy Vesrah gasket sets, you are assured of getting the correct type and number of high quality parts for your specific bike. No oil leaks and no wrong parts. Equal or better quality than OEM.
Technical Specifications
- MFG. Part Number 808643
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.