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PISTON KIT 80-82 YZ IT465 85.0, WOSSNER 8265DA YAMAHA KIT

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PISTON KIT 80-82 YZ IT465 85.0, WOSSNER 8265DA YAMAHA KIT

PISTON KIT 80-82 YZ IT465 85.0, WOSSNER 8265DA YAMAHA KIT

This Wossner piston kit features an 85mm bore size (84.92mm actual) and is designed for Yamaha YZ465 (1981ā€“1982) and IT465 (1980ā€“1981) models. Forged in Germany, the piston is built for durability and thermal performance. The elliptical design ensures even load distribution under heat expansion, reducing localised stress and preventing piston collapse.



Features





  • Forged construction for enhanced durability




  • Elliptical shape provides uniform bearing surface under expansion




  • Designed for efficient heat transfer from combustion chamber to cylinder walls




  • Manufactured in Germany





Specifications





  • Bore Size: 85mm (84.92mm)




  • Display: 465 cmĀ³




  • Stroke: 82.00 mm




  • Clearance: 0.08 mm




  • Compression Height: 40.00 mm




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





Cross-Reference OEM Part Numbers





  • Piston Kit: 8265DA




  • Lock: CW18




  • Pin: WP042




  • Ring Set: RSC8500 x2




  • Part No.: 56-W551.A.WO





Vehicle Fitments





  • Yamaha YZ465 1981




  • Yamaha YZ465 1982




  • Yamaha IT465 1980




  • Yamaha IT465 1981



$125.57

Original: $358.76

-65%
PISTON KIT 80-82 YZ IT465 85.0, WOSSNER 8265DA YAMAHA KITā€”

$358.76

$125.57

Product Information

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Description

This Wossner piston kit features an 85mm bore size (84.92mm actual) and is designed for Yamaha YZ465 (1981ā€“1982) and IT465 (1980ā€“1981) models. Forged in Germany, the piston is built for durability and thermal performance. The elliptical design ensures even load distribution under heat expansion, reducing localised stress and preventing piston collapse.



Features





  • Forged construction for enhanced durability




  • Elliptical shape provides uniform bearing surface under expansion




  • Designed for efficient heat transfer from combustion chamber to cylinder walls




  • Manufactured in Germany





Specifications





  • Bore Size: 85mm (84.92mm)




  • Display: 465 cmĀ³




  • Stroke: 82.00 mm




  • Clearance: 0.08 mm




  • Compression Height: 40.00 mm




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





Cross-Reference OEM Part Numbers





  • Piston Kit: 8265DA




  • Lock: CW18




  • Pin: WP042




  • Ring Set: RSC8500 x2




  • Part No.: 56-W551.A.WO





Vehicle Fitments





  • Yamaha YZ465 1981




  • Yamaha YZ465 1982




  • Yamaha IT465 1980




  • Yamaha IT465 1981



PISTON KIT 80-82 YZ IT465 85.0, WOSSNER 8265DA YAMAHA KIT | SMXOFFROAD Ltd