PISTON KIT BULTACO TS250 74.00, WOSSNER 8291D200

This Wossner forged piston kit with a 74.00mm nominal bore (actual 73.94mm) is designed for the Bultaco TS250 from 1970. Built for two-stroke applications, it delivers robust performance and long-term reliability, ideal for vintage engine rebuilds requiring precision fit and durability.

Features

• Forged piston design offers increased strength and longevity

• Engineered for efficient heat transfer and reduced thermal stress

• Elliptical skirt profile minimises friction and prevents piston collapse

• Manufactured in Germany with high-precision standards

Specifications

• Bore Size: 74.00mm (actual 73.94mm)

• Stroke: 60.00 mm

• Clearance: 0.06 mm

• Wossner Compression Ratio: 2 stroke

• OEM Compression Ratio: 2 stroke

• Compression Height: 29.00 mm

• Lock Part Number: CW16

• Pin Part Number: WP027

• Ring Set Part Number: RSB7350

Vehicle Fitments

• Bultaco TS250 1970