Gruppo termico VMC GS58-S 135cc Ø 58mm e corsa 51mm, CNC Laterale
VMC GS 58 135cc cylinder kit Ø 58mm and 51mm stroke, CNC Side
Bore diameter 58mm Stroke 51mm Displacement 135cc
Timings: Main transfers 124° Exhaust 174°
FORGED double ring aluminum alloy piston,
CNC machined billet 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 rods
Attention: To be mounted on Piaggio crankcases, a small machining operation is required on the crescent.
as the cylinder has been designed with generous fluid dynamics which requires more space on the base of the cylinder itself.
Data sheet
- Versione Vespa
- Vespa Small Frame
- CYLINDER
- Cast iron
Specific References
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