VMC aluminum cylinder, double ring ET3 135cc, Ø 59mm, 51mm stroke for Vespa Primavera - ET3 - PK central spark plug

Description

VMC ET7 135cc � 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 LIGHT WITH BOOSTERS

Phases Main transfers 128� Exhaust 188�, distance between exhaust studs 60mm, diameter 32mm oval exhaust outlet

Exhaust which with a light filing can be brought to 36mm to adapt to our Evo SeiDue and Kifly 62 mufflers

FORGED piston with 2 Rik steel segments complete with pin and stops.

Head in die-cast aluminum with SIDE spark plug with 4 additional fixing screws.

Squish 1.2mm � 0.1mm. Tightening M7 stud nuts: 11�12 Nm, Tightening M6 screws 10�11 Nm

Complete with nuts and 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 change

with more generous expansion mufflers such as the VMC Kifly 62 you can reach powers in the order of 30hp



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Attention: To be mounted on Piaggio crankcase, a small work on the crescent is required

as the cylinder has been designed with generous fluid dynamics which requires more space on its base.


New model of CNC machined aluminum head made in Italy, Steel segments Steel pin Steel stops Squish 1.5 mm 0.1mm. Tightening of nuts 11 Nm Tightening of screws 12 Nm Cylinder gaskets in paper / aluminum.

Road traffic is prohibited.