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The Wossner forged piston kit with a 54 mm bore (53.94 mm actual) is specifically designed for the Honda CR125 models from 1985 to 1986. This standard-size piston is crafted for durability and efficient heat management. Its elliptical design allows for uniform expansion and consistent load distribution, reducing the risk of piston collapse. Manufactured in Germany to precise specifications, this piston supports high-performance engine requirements.
Features
Forged construction ensures high strength and resistance to thermal stress
Elliptical design enhances uniform bearing surface during heat expansion
Optimised for efficient combustion chamber heat transfer
Designed to prevent localised pressure and reduce the risk of piston collapse
Manufactured in Germany
Specifications
Bore Size: 54 mm (53.94 mm)
Piston Part Number: 8127DA
Lock Part Number: CW14
Pin Part Number: WP025
Ring Set Part Number: RSB5400 x 2
Display (Displacement): 124 cm³
Stroke: 54.00 mm
Clearance: 0.06 mm
Compression Ratio (Wossner & OEM): 2-stroke
Compression Height: 28.00 mm
Cross-Reference OEM Part Numbers
13101-KA3-760
518M05400
56-W563+000.WO
Vehicle Fitments
1985 Honda CR125
1986 Honda CR125