Piston rings set -AIRSAL T6 Racing- Minarelli 70cc (vertical cylinder) - 47.6mm - BOOSTER, BUMP50, BWS50, SLIDER50, SPY, SR50 (-1994), STUNT, ZUMA50, AMICO

Piston rings are wear parts of the engine. At the latest when the compression and thus the performance decreases, they should be replaced.

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