PISTON KIT 96-09 TTR250 73.50, FORGED WOSSNER 8646D050
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Wossner forged piston kit for Yamaha TTR 250 models from 1996-2009. This 73.50mm bore piston features superior strength and design, engineered for optimal combustion chamber heat transfer. It has an elliptical design for uniform bearing surface under heat expansion, distributing thrust loads evenly and preventing piston collapse. Includes lock P/N CW18, pin P/N WP031, and ring set P/N 735XDS. Specifications include 59.60mm hub stroke, 0.05mm clearance, OEM compression ratio of 10.20:1, +1.40 cm3 dome volume, and 23.60mm compression height. Made in Germany.
- SKU
- 56-W198+050.WO
- Brand
- Wossner
- Availability
- In Stock (1)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 73.5mm
- Variant Id
- 254954
FULL DESCRIPTION
Wossner Forged Piston Kit - 73.50mm Bore
Elevate your motorcycle's performance with this Wossner forged piston kit, engineered for superior strength and heat transfer. Designed to optimize combustion chamber efficiency, these pistons feature an elliptical profile that ensures uniform bearing surfaces under heat expansion. This innovative design prevents localized pressure, distributes thrust loads evenly, and effectively eliminates piston collapse for enhanced durability and longevity. Proudly made in Germany, Wossner pistons represent cutting-edge engineering for demanding riders.
Key Features:
- Forged construction for exceptional strength and durability.
- Elliptically designed for uniform bearing surfaces and even thrust load distribution.
- Optimized for efficient combustion chamber heat transfer.
- Prevents piston collapse and localized pressure.
- Includes necessary components for installation.
- Lock Part Number: CW18
- Pin Part Number: WP031
- Ring Set Part Number: 735XDS
Specifications:
- Bore Diameter: 73.50mm
- Clearance: 0.05mm
- Compression Height: 23.60mm
- Dome Volume: +1.40 cm3
- Wossner Compression Ratio: OEM
- OEM Compression Ratio: 10.20:1
- Stroke: 59.60mm
- Theoretical Weight: (Weight data not specified)
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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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