WOSSNER 68mm FORGED PISTON KIT KTM 250 2T 1990-1994

Wossner Forged Piston Kit 68.00mm Bore – KTM GS250 / SX250 (1990–1994)
This Wossner forged piston kit is designed for KTM GS250 and SX250 models from 1990 to 1994. It features a 68.00 mm bore and a piston diameter of 67.94 mm (+0.50 mm oversize), suitable for high-performance 2-stroke applications. The piston’s forged construction and elliptical design ensure optimal heat transfer, even thrust distribution, and high durability under thermal expansion. Made in Germany with precision engineering.

Features

• Forged piston for enhanced strength and longevity

• Superior heat dissipation from the combustion chamber

• Elliptical design promotes balanced thrust load and prevents piston collapse

• Precision manufactured in Germany

Specifications

• Bore Size: 68.00 mm

• Piston Diameter: 67.94 mm

• Engine Displacement: 249 cm³

• Stroke: 69.50 mm

• Clearance: 0.06 mm

• Compression Height: 29.70 mm

• Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference Wossner Part Numbers

• Piston Kit: 8005D050

• Lock: CW18

• Pin: WP033

• Ring Set: RSB6800 x 2

Vehicle Fitments

• KTM GS250 (1990–1994)

• KTM SX250 (1990–1994)

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.