Description
Replacement pistons for Polini 75cc Sport and Racing
TIP:P: always mount piston rings carefully. Piston rings made of cast material are only conditionally elastic and break relatively quickly.
Some pistons have trapezoidally profiled piston rings (so-called keystone rings), these only fit in one installation position. If the ring is not free, please loosen it carefully and reinstall it upside down.
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