| Size | 72mm |
|---|---|
| Product Type | Pistons & Kits |
| Product Group | Engine |
| Catalogue | DIRT |
| Piston Diameter | 72.0 |
| Bore Diameter | |
| Piston Grade | |
| Compression Ratio |
PISTON KIT 80-82 YZ250 72.00, FORGED WOSSNER 8180D200
Wossner forged piston kit designed for Yamaha YZ250 and IT250 models from 1980 to 1982. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse.
Features
- Forged construction for enhanced durability and strength
- Optimized heat transfer for improved performance
- Elliptical design for uniform bearing surface and reduced wear
- Designed for 2-stroke engines
Specifications
- Bore Size: 72.00 mm (+2.00 mm oversize)
- Actual Bore: 71.94 mm
- Stroke: 64.00 mm
- Clearance: 0.06 mm
- Compression Height: 33.00 mm
- Compression Ratio: 2-stroke
- Displacement: 246 cm³
- Made in Germany
Cross-Reference OEM Part Numbers
- Wossner Part No.: 8180D200
- Lock P/N: CW18
- Pin P/N: WP033
- Ring Set P/N: RSB7200 x 2
- Piston Kit (Standard): 5X5-11630-00-00
- Piston (Standard): 5X5-11631-00-94
- Piston Ring Set (Standard): 5X5-11601-00-00
- Piston Pin: 214-11633-00-00
- Circlip: 93450-19052-00
Vehicle Fitments
- Yamaha YZ250 (1980-1982)
- Yamaha IT250 (1981-1982)
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