PISTON KIT 87-90 TRX250 67.50, WOSSNER 8189D150 HONDA ATV
Wossner forged piston kit with a 67.50 mm bore (+1.50 mm oversize). This high-performance 2-stroke piston is designed to withstand extreme conditions with forged construction and an elliptical shape for controlled thermal expansion. The design ensures consistent load distribution and prevents piston collapse. Made in Germany. Features forged construction for durability and strength under high stress, optimized for heat transfer from the combustion chamber to cylinder walls, and an elliptical profile that minimizes localized stress under heat expansion. Developed for high-performance 2-stroke engines. Manufactured in Germany. Specifications include a bore of 67.50 mm, actual bore diameter of 67.44 mm, compression height of 33.00 mm, display volume of 246 cm³, stroke of 72.00 mm, clearance of 0.06 mm, and a 2-stroke compression ratio (Wossner and OEM). Cross-reference OEM part numbers: Piston Kit Part No. 8189D150, Lock P/N CW18, Pin P/N WP033, Ring Set P/N RSB6750 (x2), Alternate Part No. 56-W562.P6.WO.
- SKU
- 56-W562.P6.WO
- Brand
- Wossner
- Availability
- In Stock (2)
FULL DESCRIPTION
Wossner Forged Piston Kit for High-Performance 2-Stroke Engines
Upgrade your Honda ATC250R or TRX250R with this premium Wossner forged piston kit. Engineered for demanding 2-stroke applications, this piston is designed to deliver exceptional performance and durability. The forged construction provides superior strength, allowing it to withstand extreme operating conditions and high stress levels commonly found in performance engines.
Key Features:
- Forged construction for maximum durability and strength.
- Optimized for efficient heat transfer from the combustion chamber to the cylinder walls.
- Features an elliptical profile designed to minimize localized stress during thermal expansion, ensuring consistent load distribution and preventing piston collapse.
- Specifically developed for high-performance 2-stroke engines.
- Manufactured in Germany to exacting standards.
Specifications:
- Bore Size: 67.50 mm
- Actual Bore Diameter: 67.44 mm
- Compression Height: 33.00 mm
- Displacement Volume: 246 cm³
- Stroke: 72.00 mm
- Piston Clearance: 0.06 mm
- Compression Ratio: 2-stroke (compatible with Wossner and OEM specifications)
Included Components:
- Piston Kit Part Number: 8189D150
- Lock Ring Part Number: CW18
- Wrist Pin Part Number: WP033
- Ring Set Part Number: RSB6750 (includes two rings)
