Vespa VMA Piston (3rd Over, 55.6mm)

Vespa VMA Piston for Vespa Scooters

This 55.6mm piston is a 3rd oversize unit built for Vespa scooters. Its job is to seal the combustion chamber so the engine can run properly. As with other Vespa scooter parts, it installs in the spot of the original piston, so it suits home repair work. Keeping this piston in good condition helps the engine stay efficient and avoids problems like smoke and high oil use.

When to Replace It

You should think about replacing the piston when the rings wear out, since this can cause weak compression and heavy oil consumption. Smoke coming from the exhaust or a noticeable loss of power are signs it may be time to fit a new piston.

Specifications

• Size: 55.6mm
• Position: Engine cylinder
• OEM Part Number: VMA
• Fits: Vespa VMA piston, 3rd oversize (55.6mm)

Fitment

Fits:

• Vespa VMA engine (3rd oversize 55.6mm piston)

How to choose: Confirm your cylinder bore matches this piston. It is 55.6mm, which is the 3rd oversize.

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