Cylinder M1B-60-GTR Vespa smallframe Quattrini

Cylinder M1B-60-GTR Vespa smallframe Quattrini.

New nikasil cylinder in Ø60, evolved with exhaust boosters.

Specifications:

• Stroke 51
• Connecting rod 97
• Piston 1 ring
• Measurement: Ø 60
• Displacement 144
• Crankcase intake

Valid for all smallframe models, PK 75 XL and FL 75 require modifications to the crankcase.