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Wossner forged Piston kit
Compatibility
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Features
WÖSSNER Forged Piston (manufacturer ref. 8524D100) — Designed and machined by Wössner in Germany, this forged piston is aimed at demanding riders looking for a quality engine part for Cross and Roadster applications. This raw part is intended for the upper engine, adhering to the dimensions and finishes expected for a replacement or engine preparation.
- Type: forged aluminum piston
- Bore diameter: 102.00 mm
- Piston diameter: Ø 101.94 mm
- Oversize letter: 100
- Number of rings: 3 (delivered with rings, circlips, and pin)
- Finish: anti-friction treatment of the skirt
The piston is delivered complete with rings, the pin, and circlips for simplified installation. The skirt features an anti-friction treatment that eases the break-in phases and limits wear anomalies during normal operation. Its forged design provides a homogeneous structure suited to the thermomechanical stresses encountered in off-road or road use.
Useful reference for preparations and replacements on compatible engines: 8524D100. Before installation, check compatibility with your bore and adhere to manufacturer recommendations for clearance checks and break-in procedures.
| Feature | Value |
|---|---|
| Reference | WO00271A / 1093712004 |
| Oversize | +1,00 |
| Rings Quantity | 3 |
| Compression Ratio | 11,7:1 |
| Diameter Ø (mm) | 101,94 |
| Bore size (mm) | 102,00 |
| Engine | 4T |
| Piston diameter | Ø 101,94 mm |
| Material | Aluminum |
| Piston type | Forged |
| Surcote | +1,00 |
| Use | All-terrain |
19 compatible models
- KTM 620 620 DUKE1994 - 1997
- KTM 620 620 LC4 SUPERMOTO SUPER-COMP1998 - 2001
- KTM 620 620 LC4 ENDURO SX WP1994 - 1999
- KTM 620 620 LC4 ENDURO SUPER-COMP1994 - 2001
- KTM 620 620 LC4 COMPETITION1998 - 1999
- KTM 620 620 LC4 ENDURO SXC WP1997
- KTM 625 625 SXC2003 - 2007
- KTM 625 625 SUPERMOTO LC4 SMC2002 - 2006
- KTM 640 640 LC4 ENDURO SIX DAYS1999 - 2002
- KTM 640 640 SUPERMOTO LC4 PRESTIGE2000 - 2006
- KTM 640 640 SUPERMOTO LC41999 - 2006
- KTM 640 640 LC4 ENDURO1998 - 2006
- KTM 640 640 LC4 ADVENTURE2004 - 2007
- KTM 640 640 DUKE1998 - 2006
- KTM 640 640 DUKE SPECIAL EDITION2006
- KTM 640 640 LC4 RALLY1997
- KTM 640 640 LC4 ADVENTURE R1998 - 2004
- KTM 660 660 SUPERMOTO LC4 SMC2003 - 2006
- KTM 660 660 SUPERMOTO LC4 SMC FACTORY EDITION2002 - 2004
