Vespa V9A Small Pin Piston (47.4, 2nd Oversize)

Vespa V9A Small Pin Piston for Vespa Scooters

The Vespa V9A Small Pin Piston (47.4, 2nd Oversize) is a central part of your Vespa's engine. Designed for standard Vespa models, it helps maintain a tight seal in the combustion chamber. You can find it among our Vespa scooter components, and it plays a big role in keeping the engine running properly. A worn piston may cause smoke, higher oil use, or reduced compression, so swapping it out can clear these problems up.

Knowing When to Swap It Out

Consider replacing the piston once you see signs of wear, like heavy smoke or a drop in performance. Worn piston rings can cause major engine damage, so dealing with this part early can help you avoid more expensive repairs.

Specifications

• Size: 47.4 mm
• Pin Size: Small
• Oversize: 2nd Oversize
• Fits: Vespa V9A engine with a 47.4 mm, small pin, 2nd oversize piston

Compatibility

Compatible with:

• Vespa V9A (small pin, 47.4 mm 2nd oversize)

Selection tip: Make sure your cylinder bore measures 47.4 mm and that the piston uses a small wrist pin to suit your engine.

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