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PISTON KIT 05-09 CR250 66.40 C, WOSSNER 8171DC HONDA MX
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PISTON KIT 05-09 CR250 66.40 C, WOSSNER 8171DC HONDA MX

PISTON KIT 05-09 CR250 66.40 C, WOSSNER 8171DC HONDA MX

$70.70

Original: $202.00

-65%
PISTON KIT 05-09 CR250 66.40 C, WOSSNER 8171DC HONDA MX—

$202.00

$70.70

The Story

This Wossner piston kit is engineered for high-performance applications in the Honda CR250R models from 2005 to 2007. With a 66.42mm bore and 66.37mm specification, it features advanced forging and design principles for enhanced durability and heat dissipation, ensuring reliable performance under demanding two-stroke engine conditions.



Features





  • Forged in Germany for superior strength and precision




  • Elliptical design improves bearing surface uniformity under heat expansion




  • Enhances heat transfer from the combustion chamber to cylinder walls




  • Minimises localised pressure to prevent piston collapse




  • Specifically designed for Honda CR250R engines





Specifications





  • Bore: 66.42 mm




  • Display (Displacement): 249 cm³




  • Stroke: 72.00 mm




  • Clearance: 0.06 mm




  • Compression Ratio (Wossner & OEM): 2-stroke




  • Compression Height: 38.00 mm





Cross-Reference OEM Part Numbers





  • Piston Kit: 8171DC




  • Lock: CW18




  • Pin: WP033




  • Ring Set: RDB6640




  • Rod: P2020




  • Internal Part No.: 56-W860+00C.WO





Vehicle Fitments





  • 2005 Honda CR250R




  • 2006 Honda CR250R




  • 2007 Honda CR250R



PISTON KIT 05-09 CR250 66.40 C, WOSSNER 8171DC HONDA MX - Image 2

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Description

This Wossner piston kit is engineered for high-performance applications in the Honda CR250R models from 2005 to 2007. With a 66.42mm bore and 66.37mm specification, it features advanced forging and design principles for enhanced durability and heat dissipation, ensuring reliable performance under demanding two-stroke engine conditions.



Features





  • Forged in Germany for superior strength and precision




  • Elliptical design improves bearing surface uniformity under heat expansion




  • Enhances heat transfer from the combustion chamber to cylinder walls




  • Minimises localised pressure to prevent piston collapse




  • Specifically designed for Honda CR250R engines





Specifications





  • Bore: 66.42 mm




  • Display (Displacement): 249 cm³




  • Stroke: 72.00 mm




  • Clearance: 0.06 mm




  • Compression Ratio (Wossner & OEM): 2-stroke




  • Compression Height: 38.00 mm





Cross-Reference OEM Part Numbers





  • Piston Kit: 8171DC




  • Lock: CW18




  • Pin: WP033




  • Ring Set: RDB6640




  • Rod: P2020




  • Internal Part No.: 56-W860+00C.WO





Vehicle Fitments





  • 2005 Honda CR250R




  • 2006 Honda CR250R




  • 2007 Honda CR250R