Piston 177 cc (63.8 mm Second Oversize) for Polini for Scooters & Mopeds

177 Cc Replacement Piston for Polini Scooters and Mopeds

This second oversize piston is built for the Polini PCK2 P125/Stella kits. Its main job is to seal the combustion chamber. Like other scooter pistons & piston rings, it supports consistent engine output. Swapping it out can help avoid oil burning and loss of compression.

When to Replace It

Consider changing the piston if the exhaust shows heavy smoke or the engine uses more oil than before. Worn piston rings can cause notable engine performance problems, so replacing them promptly matters.

Specifications

• Size: 63.8 mm (Second Oversize)
• Includes: Piston, rings, wrist pin, circlips
• Fits: Polini PCK2 P125 kit (177 cc, 63.8 mm second oversize)

Fitment

Fits:

• Polini PCK2 P125 kit (177 cc, 63.8 mm second oversize)

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