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Wossner forged Piston kit
Compatibility
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Features
WÖSSNER Forged Piston – Manufacturer Reference 8507DA
Designed and machined in Germany, this Wössner forged piston is aimed at motorcyclists and quad enthusiasts concerned about the mechanical integrity of their engine. Made from aluminum, it features a profile suitable for both 2-stroke and 4-stroke applications and benefits from an anti-friction treatment on the skirt to minimize wear against the cylinder wall.
- Type: forged piston
- Material: aluminum
- Nominal bore diameter: 100.00 mm
- Piston diameter: Ø 99.930 mm (Ø 99.93 mm)
- Oversize: letter A
- Compression: standard
- Supplied with: ring(s), circlips, and pin
This piston is suitable for replacement during an engine overhaul or when preparing with industrial-grade parts. Its finish and manufacturer origin make it a serious option for the listed quads and roadsters or any application compatible with these specifications.
Examples of compatible models: YAMAHA YFM 700 GRIZZLY EPS (2008), YAMAHA YXR 660 RHINO (2007). Always check the bore size and manufacturer reference before installation.
| Feature | Value |
|---|---|
| Reference | WO00260A / 1093698001 |
| Oversize | STD |
| Rings Quantity | 3 |
| Compression Ratio | 9,1:1 |
| Diameter Ø (mm) | 99,93 |
| Bore size (mm) | 100,00 |
| Engine | 4T |
| Piston diameter | Ø 99,930 mm |
| Material | Aluminum |
| Piston type | Cast |
| Compression piston | Standard |
| Surcote | Standard |
8 compatible models
- YAMAHA 660 YFM 660 RAPTOR 2WD2001 - 2005
- YAMAHA 660 YFM 660 RAPTOR LIMITED EDITION 2WD2003
- YAMAHA 660 XTZ 660 TENERE1991 - 1996
- YAMAHA 660 SZR 660 (4SU)1995 - 1997
- YAMAHA 660 YXR 660 RHINO 4WD2005 - 2007
- YAMAHA 660 YXR 660 RHINO SPECIAL EDITION 4WD2007
- YAMAHA 700 YFM 700 GRIZZLY EPS CAMO 4WD2007 - 2008
- YAMAHA 700 YFM 700 GRIZZLY EPS 4WD2007 - 2008
