Cylinder Vespa Smallframe 125 to 135cc Kappa-58 VMC

Cylinder Vespa Smallframe 125 to 135cc Kappa-58 VMC.

From VMC we present to you their new cylinder Kappa-58, made of aluminium.

This cylinder comes with a very touring timing, 180º exhaust and 122º intake. Exhaust manifold of 28mm.

A squish of 1.1mm and a tightening torque of 10-11nm on the Ø6 bolts, and 11-12nm on the Ø7 nuts is recommended.

Specifications:

• Stroke 51
• Connecting rod 97
• Displacement 135
• Piston Ø58 two rings
• Cylinder head with 8 anchoring points
• Short thread spark plug b8hs
• Exhaust stud distance 56mm

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

Assembly instructions.