WOSSNER 55mm PISTON KIT HONDA CR125 1985-1986

The Wossner forged piston kit with a 55 mm bore (54.94 mm actual) is designed for Honda CR125 models from 1985 to 1986. This +1.00 mm oversize piston is crafted for maximum durability and efficient heat transfer. The elliptical design minimises stress points during heat expansion and evenly distributes thrust loads, reducing the risk of piston failure. Manufactured in Germany, it meets high standards of precision and performance.

Features

• Forged construction provides high strength and heat resistance

• Elliptical design ensures uniform bearing surface during expansion

• Optimised for efficient combustion heat transfer to cylinder walls

• Prevents localised pressure and piston collapse under load

• Precision-manufactured in Germany

Specifications

• Bore Size: 55 mm (54.94 mm)

• Piston Part Number: 8127D100

• Lock Part Number: CW14

• Pin Part Number: WP025

• Ring Set Part Number: RSB5500 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

• 56-W563+100.WO

Vehicle Fitments

• 1985 Honda CR125

• 1986 Honda CR125

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.