New from Italian scooter tuning brand VMC is a seven port 244cc Explorer cylinder kit to upgrade Vespa PX 200 models.
The aluminium barrel has a 72mm bore and is nickel-silicon treated. Paired with a 60mm stroke and a conrod length of 126mm (for Quattrini crankshafts) and 127mm (for SIP crankshafts) and the result is a 244cc motor. Thanks to the cylinder having an 8mm spigot, it can even be used with a longer stroke 62-64mm crank if required.
The kit includes a Meteor piston with molybdenum disulphate anti-friction treatment and chrome steel rings. Also supplied are a range of aluminium shims, aluminium base gaskets and paper gaskets in a variety of thicknesses. The recessed head has an silicone O-ring gasket and an eight-bolt fixing, along with a steel exhaust manifold.
Fitment requires some light machining, so the kit includes a steel guide ready for the cutting operation. SRP is £479.99.
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