PISTON KIT YFZ450/R/X 98.00, WOSSNER 8601D300 FORGED KIT
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The Wossner 8601D300 forged piston kit features a 98.00mm bore and is designed for Yamaha YFZ450 models. Manufactured in Germany, this piston offers enhanced heat transfer and strength, with an elliptical shape that provides uniform bearing under expansion and prevents piston collapse under load. Specifications include a 98.00 mm bore, 97.95 mm actual bore diameter, 449 cm³ display, 62.00 mm hub stroke, 0.05 mm clearance, 25.00 mm compression height, -7.40 cm³ dome volume, and an OEM compression ratio of 11.90:1. The kit includes piston, lock CW20, pin WP038, ring set 980XSY, and rod P4029. Part number 56-W4865+300.WO. Weight is 438 grams.
- SKU
- 56-W4865+300.WO
- Brand
- Wossner
- Availability
- In Stock (11)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 98mm
- Variant Id
- 256291
FULL DESCRIPTION
Wossner 98.00mm Forged Piston Kit for Yamaha YFZ450
Enhance your Yamaha YFZ450's performance and durability with the Wossner 8601D300 forged piston kit. This high-quality piston is engineered for superior strength and optimal heat transfer, ensuring reliable operation under demanding conditions. Manufactured in Germany, Wossner pistons are built to exceed OEM standards.
The innovative elliptical design of this piston provides a uniform bearing surface, even as the engine expands due to heat. This intelligent design prevents localized pressure points and guards against piston collapse under heavy loads, extending the life of your engine components.
Key Features:
- Forged construction for exceptional strength and longevity.
- Optimized for efficient heat transfer to cylinder walls.
- Elliptical design ensures even bearing during thermal expansion.
- Prevents stress concentration and piston deformation.
- Precision manufactured in Germany.
Specifications:
- Bore Size: 98.00 mm
- Actual Bore Diameter: 97.95 mm
- Displacement: 449 cm³
- Wrist Pin Stroke: 62.00 mm
- Piston Clearance: 0.05 mm
- Compression Height: 25.00 mm
- Dome Volume: -7.40 cm³
- Compression Ratio: OEM (11.90:1)
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Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
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