VMC CP-58 135cc Cylinder Kit Ø58mm stroke 51mm SMALL CYLINDER COVER
CAST CYLINDER HEAD WITH SIDE SPARK PLUG FITS WITH VESPA 50 CYLINDER COVER
Bore diameter 58mm - Stroke 51mm - Displacement 135cc
Timing: Main transfer ports 124° - Exhaust 180°
Exhaust port diameter 28mm, stud spacing 56mm
High silicon content twin-ring aluminium alloy piston.
CNC machined die-cast aluminium cylinder head.
Steel piston rings, steel wrist pin and steel circlips.
Designed for use with 51mm stroke crankshafts and 97mm connecting rods.
No need to grind or remove the dust shield half-moon on the engine crankcase.
Uses short thread spark plugs.
Combined with the VMC Siluro exhaust, it becomes an engine with power always available while maintaining the reliability of the original engine, together with a classic look and sound.
The perfect upgrade for your Vespa.