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PISTON KIT 80-82 YZ IT465 86.0, WOSSNER 8265D100 YAMAHA

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PISTON KIT 80-82 YZ IT465 86.0, WOSSNER 8265D100 YAMAHA

PISTON KIT 80-82 YZ IT465 86.0, WOSSNER 8265D100 YAMAHA

This Wossner piston kit features an 86mm bore size (85.92mm actual) and is designed for Yamaha YZ465 (1981ā€“1982) and IT465 (1980ā€“1981) models. Manufactured in Germany, the forged piston is built for strength and efficient thermal performance. The elliptical design evenly distributes thrust loads during heat expansion, reducing localised pressure and minimising the risk of piston collapse.



Features





  • Forged construction for high durability




  • Elliptical profile ensures uniform load distribution under heat




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




  • Manufactured in Germany





Specifications





  • Bore Size: 86mm (85.92mm)




  • 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: 8265D100




  • Lock: CW18




  • Pin: WP042




  • Ring Set: RSC8600




  • Part No.: 56-W551_1.00.WO





Vehicle Fitments





  • Yamaha YZ465 1981




  • Yamaha YZ465 1982




  • Yamaha IT465 1980




  • Yamaha IT465 1981



$380.10
PISTON KIT 80-82 YZ IT465 86.0, WOSSNER 8265D100 YAMAHAā€”
$380.10

Product Information

Shipping & Returns

Description

This Wossner piston kit features an 86mm bore size (85.92mm actual) and is designed for Yamaha YZ465 (1981ā€“1982) and IT465 (1980ā€“1981) models. Manufactured in Germany, the forged piston is built for strength and efficient thermal performance. The elliptical design evenly distributes thrust loads during heat expansion, reducing localised pressure and minimising the risk of piston collapse.



Features





  • Forged construction for high durability




  • Elliptical profile ensures uniform load distribution under heat




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




  • Manufactured in Germany





Specifications





  • Bore Size: 86mm (85.92mm)




  • 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: 8265D100




  • Lock: CW18




  • Pin: WP042




  • Ring Set: RSC8600




  • Part No.: 56-W551_1.00.WO





Vehicle Fitments





  • Yamaha YZ465 1981




  • Yamaha YZ465 1982




  • Yamaha IT465 1980




  • Yamaha IT465 1981



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PISTON KIT 80-82 YZ IT465 86.0, WOSSNER 8265D100 YAMAHA | SMXOFFROAD Ltd