PISTON KIT BULTACO TS250 73.00, WOSSNER 8291D100

This Wossner forged piston kit features a 73.00mm nominal bore (actual 72.94mm) and is engineered for the Bultaco TS250 from 1970. Designed for durability and efficiency in two-stroke applications, it ensures optimal combustion chamber dynamics and long service life under performance conditions.

Features

• Forged aluminium piston for high strength and durability

• Elliptical shape improves heat distribution and minimises localised stress

• Precision-machined for efficient combustion and reduced risk of piston collapse

• Manufactured in Germany with strict quality controls

Specifications

• Bore Size: 73.00mm (actual 72.94mm)

• 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: RSB7300

Vehicle Fitments

• Bultaco TS250 1970