VMC GS 55 125cc thermal group Ø 55.5mm and 51mm stroke, Side Spark Plug
VMC GS 55.5 125cc thermal group Ø 55.5mm and 51mm stroke, cast head
Bore diameter 55.5mm Stroke 51mm Displacement 125cc
Timings: Main transfers 124° Exhaust 174°
Piston made of double-band aluminum alloy with high silicon content.
CNC machined solid aluminum head, Steel segments, Steel pin, Steel retainers
Recommended squish 1.2 mm Tightening torque m6 bolts 11-12 Nm, m7 nuts 1.4-1.5 Nm
It is mounted with 51mm stroke crankshafts and 97mm connecting rod
It is the highest performing cast iron cylinder of this displacement on the market!
Attention: To be mounted on Piaggio crankcases, a small machining operation is required on the crescent
and does not mount with flywheels with toothed ring for electric start
as the cylinder has been designed with generous fluid dynamics which requires more space on the base of the cylinder.
Data sheet
- Versione Vespa
- Vespa Small Frame
- CYLINDER
- Cast iron
Specific References
In Italy and Europe Via GLS / DHL / Fercam
24h from order confirmation
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