
Complete thermal group VMC KAPPA-58 (135 cc) for Vespa 50 Special V5B3T/90 V9A1T-125 Primavera ET3-PK
Bore diameter 58mm Stroke 51mm Connecting rod 97mm Displacement 135cc
Timing: Main transfers 122° Exhaust 180°
Aluminum alloy dual-ring piston with high silicon content.
CNC machined die-cast aluminum head
Steel rings Steel pin Steel stops
It is mounted with crankshafts stroke 51mm and connecting rod 97mm
No need to file or remove the dust protection half-moon on the engine case base.
Paired with the VMC Siluro exhaust, it becomes an engine with power always available while maintaining the reliability of the original engine with a classic look and sound.
The perfect tuning for your Vespa.
Vespa 125 Primavera VMA1>2T
Vespa 125 Primavera ET3 VMB1T
Vespa 125 ETS
Vespa 125 PK

Complete Pinasco racing piston 135cc diam. 57.5/1 (letter A)
Vespa 125 Primavera VMA1>2T
Vespa 125 Primavera ET3 VMB1T
Vespa 125 ETS
Vespa 125 PK