PISTON KIT 83-87 YZ250 70.00, WOSSNER 8133D200 YAMAHA MX
Wossner forged piston kit for Yamaha YZ250 models from 1983 to 1987, featuring a 70.00 mm bore for performance applications requiring a +2.00 mm oversize. The piston is designed to optimise combustion efficiency and mechanical reliability. With an elliptical profile and advanced forging, it ensures uniform stress distribution, effective heat transfer, and reduced risk of piston deformation under high thermal loads. Precision-engineered and made in Germany.
Features
-
Forged piston construction for enhanced strength and reliability
-
Engineered for efficient heat transfer from combustion chamber to cylinder wall
-
Elliptical design for balanced load distribution and minimised thermal stress
-
Suitable for 2-stroke engine applications
-
Manufactured in Germany
Specifications
-
Bore: 70.00 mm
-
Actual Bore Diameter: 69.94 mm
-
Compression Height: 36.00 mm
-
Display Volume: 246 cmĀ³
-
Stroke: 68.00 mm
-
Clearance: 0.06 mm
-
Compression Ratio: 2-stroke (Wossner and OEM)
Cross-Reference OEM Part Numbers
-
Piston Kit Part No.: 8133D200
-
Lock P/N: CW18
-
Pin P/N: WP033
-
Ring Set P/N: RSB7000 (x2)
-
Rod P/N: P2048 (for 1983ā1989 models)
-
Alternate Part No.: 56-W560+200.WO
Vehicle Fitments
-
Yamaha YZ250 (1983ā1987)
Product Information
Product Information
Shipping & Returns
Shipping & Returns
PISTON KIT 83-87 YZ250 70.00, WOSSNER 8133D200 YAMAHA MX
PISTON KIT 83-87 YZ250 70.00, WOSSNER 8133D200 YAMAHA MX
Wossner forged piston kit for Yamaha YZ250 models from 1983 to 1987, featuring a 70.00 mm bore for performance applications requiring a +2.00 mm oversize. The piston is designed to optimise combustion efficiency and mechanical reliability. With an elliptical profile and advanced forging, it ensures uniform stress distribution, effective heat transfer, and reduced risk of piston deformation under high thermal loads. Precision-engineered and made in Germany.
Features
-
Forged piston construction for enhanced strength and reliability
-
Engineered for efficient heat transfer from combustion chamber to cylinder wall
-
Elliptical design for balanced load distribution and minimised thermal stress
-
Suitable for 2-stroke engine applications
-
Manufactured in Germany
Specifications
-
Bore: 70.00 mm
-
Actual Bore Diameter: 69.94 mm
-
Compression Height: 36.00 mm
-
Display Volume: 246 cmĀ³
-
Stroke: 68.00 mm
-
Clearance: 0.06 mm
-
Compression Ratio: 2-stroke (Wossner and OEM)
Cross-Reference OEM Part Numbers
-
Piston Kit Part No.: 8133D200
-
Lock P/N: CW18
-
Pin P/N: WP033
-
Ring Set P/N: RSB7000 (x2)
-
Rod P/N: P2048 (for 1983ā1989 models)
-
Alternate Part No.: 56-W560+200.WO
Vehicle Fitments
-
Yamaha YZ250 (1983ā1987)
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Wossner forged piston kit for Yamaha YZ250 models from 1983 to 1987, featuring a 70.00 mm bore for performance applications requiring a +2.00 mm oversize. The piston is designed to optimise combustion efficiency and mechanical reliability. With an elliptical profile and advanced forging, it ensures uniform stress distribution, effective heat transfer, and reduced risk of piston deformation under high thermal loads. Precision-engineered and made in Germany.
Features
-
Forged piston construction for enhanced strength and reliability
-
Engineered for efficient heat transfer from combustion chamber to cylinder wall
-
Elliptical design for balanced load distribution and minimised thermal stress
-
Suitable for 2-stroke engine applications
-
Manufactured in Germany
Specifications
-
Bore: 70.00 mm
-
Actual Bore Diameter: 69.94 mm
-
Compression Height: 36.00 mm
-
Display Volume: 246 cmĀ³
-
Stroke: 68.00 mm
-
Clearance: 0.06 mm
-
Compression Ratio: 2-stroke (Wossner and OEM)
Cross-Reference OEM Part Numbers
-
Piston Kit Part No.: 8133D200
-
Lock P/N: CW18
-
Pin P/N: WP033
-
Ring Set P/N: RSB7000 (x2)
-
Rod P/N: P2048 (for 1983ā1989 models)
-
Alternate Part No.: 56-W560+200.WO
Vehicle Fitments
-
Yamaha YZ250 (1983ā1987)
