Piston (57.4, 2nd Oversize) for Vespa VBA, VBB

Piston for Vespa VBA and VBB Models

This replacement piston suits Vespa VBA and VBB scooters. It is a 2nd oversize unit and is meant to maintain a good seal inside the combustion chamber. Like many vintage Vespa scooter parts, it drops into the spot previously occupied by the worn component. Fitting a new piston helps bring back engine performance and can address problems such as smoke and excess oil use.

What This Part Does

The piston and rings work together to seal the combustion chamber. Once the rings are worn, smoke may appear, oil consumption can climb, and compression may drop. Swapping in a new piston is an important part of keeping the engine running properly.

Specifications

• Oversize: 2nd
• Fits: Vespa VBA and VBB engines (2nd oversize piston, 57.4 mm)

Fitment

Fits:

• Vespa VBA
• Vespa VBB

How to choose: Select a 2nd oversize (57.4 mm) piston to match the bore of your Vespa VBA or VBB engine.

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