| Size | 95mm |
|---|---|
| Product Type | Pistons & Kits |
| Product Group | Engine |
| Catalogue | ATV |
PISTON KIT YFZ450/R/X 95.00 A, WOSSNER 8601DA FORGED KIT 5TG-11631-12-00
The Wossner 8601DA forged piston kit features a 95.00mm bore and is designed for Yamaha YFZ450 models from 2004 to 2005. Manufactured in Germany, this piston is built for optimal strength, heat transfer, and durability under high-performance conditions. Its elliptical shape ensures even pressure distribution and minimizes the risk of piston collapse due to thermal expansion.
Features
- Forged piston construction for enhanced strength and durability
- Designed for efficient heat transfer from the combustion chamber to cylinder walls
- Elliptical profile provides uniform bearing surface under heat expansion
- Reduces localized pressure and prevents piston collapse
- Manufactured in Germany
Specifications
- Bore: 95.00 mm
- Actual Bore Diameter: 94.95 mm
- Display: 449 cm³
- Hub Stroke: 62.00 mm
- Clearance: 0.05 mm
- Compression Height: 25.00 mm
- Dome Volume: -7.40 cm³
- Compression Ratio: OEM (11.90:1)
- Theoretical Weight: Not specified
Cross-Reference OEM Part Numbers
- Piston: 8601DA
- Lock: CW20
- Pin: WP038
- Ring Set: 950XSY
- Rod: P4029
- Part No.: 56-W4865+00A.WO
- OEM Reference: 5TG-11631-12-00, 4865M09500
Vehicle Fitments
- Yamaha YFZ450 2004–2005
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