Piston Kit 70-77 Bultaco All 250 72.5mm 0.5mm Over Vintco PSB01-0.5

VintCo piston kit for 1970-1977 Bultaco 250 models, supplied as a 72.5 mm +0.5 mm oversize assembly. This kit is manufactured using modern materials and production methods for OEM-equivalent fitment and performance, and includes the piston, rings, pin and clips required for assembly. It is designed with solid skirts, and some 250 cc models may require minor modification or alternative skirt cut-outs by an experienced machinist or mechanic.

Features

• Complete piston kit including piston, rings, pin and clips
• Suitable for Bultaco 250 models from 1970 to 1977
• Some specific 250 cc models may require minor modification
• Solid-skirt design
• Alternative skirt cut-outs can be carried out by an experienced machinist or mechanic if required
• Wrist pin bearing available separately
• Additional size options are also available
• Coated to assist initial running-in

Specifications

• VintCo Part Number: PSB01-0.5
• Bore size: 72.5 mm
• Oversize: +0.5 mm
• Piston measurement: 72.44 mm
• Clearance: 0.06 mm
• Construction: Forged piston
• Coating: MoS2
• Country of manufacture: Germany

Vehicle Fitments

• 1970 Bultaco 250
• 1971 Bultaco 250
• 1972 Bultaco 250
• 1973 Bultaco 250
• 1974 Bultaco 250
• 1975 Bultaco 250
• 1976 Bultaco 250
• 1977 Bultaco 250