Vespa 150 cc Piston (57.2 mm 3-port)

57.2 mm Piston for 150 cc Vespa Scooters

This piston suits 150 cc Vespa scooters that use a 3-port engine layout. It helps the engine hold compression by sealing the combustion chamber. As with other Vespa scooter parts, it installs straight into the engine to replace the original piston. It is a good match for riders dealing with worn piston rings, which can show up as heavy smoke or higher oil use.

Function of This Part

The piston and rings work together to seal the combustion chamber. As the rings wear, compression drops and the engine may burn more oil, so swapping in a new piston can bring performance back.

Specifications

• Size: 57.2 mm
• Type: 3-port
• Oversize: First over
• Fits: Vespa 150 cc engine with a 3-port cylinder (57.2 mm bore, first oversize)

Compatibility

Fits:

• Vespa 150 cc (3-port cylinder, 57.2 mm bore)

Selection tip: Confirm your cylinder matches: 57.2 mm bore, 3-port, first oversize.

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