Cylinder Vespa Smallframe 125 to 135cc GS58-S VMC

Cylinder Vespa Smallframe 125 to 135cc GS58-S VMC

From VMC we present their new Cylinder. Made of iron, there is nothing tougher for daily use.

This Cylinder comes with a very touring distribution, 174º exhaust and 124º intake.

A squish of 1.2mm and a tightening torque of 11-12nm on the Ø6 bolts, and 14-15nm on the Ø7 nuts is recommended.

Specifications:

• Stroke 51
• Connecting rod 97
• Displacement 135
• Piston Ø58 two segments
• Cylinder head with 8 anchoring points
• Long thread Spark plug
• Exhaust stud distance 52mm

Valid for all smallframe engines, note that on PK 75 XL and FL 75 models the crankcase needs to be machined.

On the flywheel side crankcase, you need to file the half-moon so that the Cylinder sits completely.

Assembly instructions.