VMC ET7 135cc Ø 58mm Side Spark Plug Thermal Group
VMC ET7 135cc thermal group Ø 58mm and 51mm stroke, Lateral spark plug
7-port aluminum cylinder, shell molding technology, barrel with Nikasil treatment
Bore diameter 58mm Stroke 51mm Displacement 135cc, EXHAUST PORT WITH BOOSTERS
Phases Main transfers 128° Exhaust 188°, exhaust stud spacing 60mm, oval exhaust outlet diameter 32mm
Exhaust that with a light filing can be brought to 36mm to fit our Evo SeiDue and Kifly 62 mufflers
FORGED piston with 2 Rik steel segments complete with pin and retainers.
Die-cast aluminum head with SIDE spark plug with 4 additional fixing screws.
Squish 1.2mm ± 0.1mm. Tightening of M7 stud nuts: 11÷12 Nm, Tightening of M6 screws 10÷11 Nm
Complete with bolts and paper cylinder gaskets of various thicknesses.
It is a cylinder suitable for extreme processing.
mounted with a VMC Evo 62 requires a close ratio gearbox
with more generous expansion mufflers such as the VMC Kifly 62 you can reach power levels in the order of 30hp
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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.
Data sheet
- Versione Vespa
- Vespa Small Frame
- CYLINDER
- Alluminio
Specific References
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