Piston (63.7, First Over) for VSD Rally for Scooters & Mopeds

Piston for VSD Rally Scooters and Mopeds

This first-over piston is made for VSD Rally scooters and mopeds. It helps seal the combustion chamber, which keeps the engine running well. Among vintage Vespa scooter parts, swapping this piston out may address problems like heavy smoke and high oil use. For a correct fit, check that the piston diameter and pin size match your cylinder.

Signs It Needs Replacing

Think about changing the piston and rings if compression drops or the engine burns more oil than usual. Worn rings can cause smoke and make the engine less efficient, so replacing them promptly helps bring back performance.

Specifications

• Size: 63.7 mm, First Over
• Position: Combustion Chamber
• Fits: VSD Rally scooter engines, 63.7 mm first-over piston

Compatibility

Fits:

• VSD Rally (63.7 mm bore, first over)

Selecting the right size: Make sure the piston matches your cylinder bore. This part is listed as 63.7 mm first over.

Browse related items: Vintage Vespa Parts · Vespa Parts · Scooter Pistons & Piston Rings · Scooter Parts