The Polini Corsa 70ccm is made of cast iron and has the same diameter as the Polini Sport 70ccm, but thanks to larger ports the power is increased. It also works at slightly higher revs, but can still be used for everyday riding. However, we recommend that this is done in combination with min. DellOrto 17.5mm carburetor and possibly an exhaust such as Polini For Race or Top Performances Nardo Replica. For cast iron cylinders, we always recommend a minimum 200km run-in. For this cylinder kit we recommend using an NGK BR8ES spark plug and the kit comes complete incl. gaskets, piston rings, etc. NOTE: Is with ø12mm cross pin.
The cylinder cannot be installed on models from 2003-> unless the restriction in the engine block has been removed. If the cylinder is fitted, it is no longer possible to use the original, or other Euro2, exhausts. Both parts apply to models from 2003->.
See the cylinder kit on our PGO Hot50 Winter project
Generally | |
---|---|
Bore | ø47mm |
Class | Semi-racing |
Piston pin | ø12mm |
Displacement | 70ccm |
Flush canals | 5 |
Stroke | 39.2mm |
Exhaust port | Single |
Material | Cast iron |