PISTON KIT 1990 KX125 57.00 WOSSNER 8106D100 KAWASAKI MX

Wossner Forged Piston Kit 57.00mm Bore – Kawasaki KX125 1990 (8106D100 +1.00)
This Wossner forged piston kit with a +1.00mm oversize bore (actual 56.94mm) is designed for the 1990 Kawasaki KX125. Built for 2-stroke engine performance, it features a high-strength forged aluminium construction that ensures durability and efficient heat transfer. The elliptical piston design supports even load distribution under thermal expansion, reducing the risk of localised stress and structural failure. Precision-manufactured in Germany for reliable performance.

Features

• Forged piston construction for excellent durability and thermal resistance

• Efficient heat dissipation from combustion chamber to cylinder wall

• Elliptical design promotes uniform expansion and balanced thrust load

• Specifically engineered for 2-stroke engines

• Manufactured in Germany

Specifications

• Bore Size: 57.00mm (+1.00 oversize)

• Actual Bore: 56.94mm

• Compression Height: 29.50mm

• Clearance: 0.06mm

• Stroke: 50.60mm

• Displacement: 125 cm³

• Wossner Compression Ratio: 2-stroke

• OEM Compression Ratio: 2-stroke

Cross-Reference OEM Part Numbers

• Wossner Piston: 8106D100

• Ring Set: RSB5700

• Lock: CW16

• Pin: WP036

• Rod: P2033

• Internal Reference: 56-W589+100.WO

Vehicle Fitments

• 1990 Kawasaki KX125

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.