- Polini Scooter Parts Store USA - Replacement Chromed Piston ring Polini Evolution 47,6 mm
Polini Evolution chromed piston ring, 68cc, 47,6
The main job of piston rings is to seal the combustion chamber against the piston housing and to channel the heat from piston to cylinder. Above this, pistons are also there to regulate the lubrication household, a major function. This means they are always working under pressure, often suffer wear and tear and should be replaced regularly.
Polini Evolution chromed piston ring, 68cc, 47,6
The main job of piston rings is to seal the combustion chamber against the piston housing and to channel the heat from piston to cylinder. Above this, pistons are also there to regulate the lubrication household, a major function. This means they are always working under pressure, often suffer wear and tear and should be replaced regularly.
