Vespa V9A Small Pin Asso, Piston (47.6, 3rd Oversize)
ITEM# TT-25710
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Description
Piston for Vintage Vespa 90 (V9A) Scooters
This piston is made for vintage small-frame Vespa 90 (V9A) scooters and helps keep the engine running well and dependable. Like other Vespa scooter parts, it drops into the scooter's current setup, so it suits restoration or repair work. It is a third oversize piston with a 47.6 mm bore, which gives a precise match for your scooter.
Construction and Design
Made from alloy, the piston is light but durable for your Vespa. A set of piston rings and circlips comes included, so installation stays secure. The build supports proper compression inside the engine, which can help with performance and efficiency when the scooter is running.
When to Replace
Check the piston on a regular basis, particularly if engine power falls off or you notice odd noises. Swapping in a new piston can bring back power and efficiency to your Vespa. The best time to change this part is during a major engine rebuild or once wear becomes visible.
Specifications
- Material: Alloy
- Size: 47.6 mm bore
- Position: Engine
- Wrist Pin: 14 mm
- Fits: Vintage small-frame Vespa 90 (V9A) with 47.6 mm bore, 3rd oversize piston
Fitment
Compatible with:
- Vintage Vespa 90 (V9A, small-frame)
How to choose: Confirm the bore matches your cylinder. This piston measures 47.6 mm (3rd oversize) and uses a 14 mm wrist pin.
Shop more: Vespa Parts · Scooter Pistons & Piston Rings · Scooter Bolts, Screws & Hardware · Scooter Parts
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