| Size | 87.5mm |
|---|---|
| Product Type | Pistons & Kits |
| Product Group | Engine |
| Catalogue | DIRT |
| Piston Diameter | 87.50 |
| Bore Diameter | |
| Piston Grade | |
| Compression Ratio |
PISTON KIT XT350 TT350 87.50, FORGED WOSSNER 8502D150
The Wossner 87.50mm Bore Piston Kit (Part No. 8502D150) is a high-performance forged piston designed for Yamaha TT350 and XT350 models. Engineered for strength and durability, it optimizes heat transfer within the combustion chamber and features an elliptical design to ensure even load distribution, reducing localized pressure and preventing piston collapse. Manufactured in Germany, this piston maintains the OEM compression ratio for reliable engine performance.
Features
- High-strength forged piston construction
- Optimized heat transfer for improved combustion efficiency
- Elliptical design for even thrust load distribution
- Manufactured in Germany
Specifications
- Bore Size: 87.50mm
- Actual Bore Diameter: 87.43mm
- Compression Ratio: OEM
- OEM Compression Ratio: 9.00:1
- Displacement: 346cc
- Stroke: 59.60mm
- Clearance: 0.07mm
- Dome Volume: -2.80cm³
- Compression Height: 22.20mm
Cross-Reference OEM Part Numbers
- Lock P/N: CW19
- Pin P/N: WP050
- Ring Set P/N: 875XSY
Vehicle Fitments
- Yamaha TT350 (1985-1988)
- Yamaha XT350 (1985-2000)
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