PISTON KIT 85-86 CR125 54.50 WOSSNER 8127D050 HONDA MX

The Wossner forged piston kit with a 54.50 mm bore (54.44 mm actual) is specifically designed for the Honda CR125 models from 1985 to 1986. With a +0.50 mm oversize, this piston provides enhanced durability and optimal heat transfer. Its elliptical profile ensures uniform expansion and balanced thrust distribution, significantly reducing the risk of piston damage under high-performance conditions. Precision-crafted in Germany to maintain reliability and performance.

Features

• Forged construction ensures high durability and thermal strength

• Elliptical design offers consistent bearing surface under thermal expansion

• Promotes efficient heat dissipation from combustion chamber to cylinder wall

• Reduces risk of localised pressure points and piston collapse

• Manufactured in Germany with precision engineering

Specifications

• Bore Size: 54.50 mm (54.44 mm)

• Piston Part Number: 8127D050

• Lock Part Number: CW14

• Pin Part Number: WP025

• Ring Set Part Number: RSB5450 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+050.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.