This cast cylinder, which is supplied with the matching cylinder head, fits Piaggio Si, Bravo 2 and 3 as well as Grillo mopeds / mopeds.
Racing version from Polini. This cylinder is the revised version of the older 43mm cylinder kit from Polini.
Better timing and larger overflow channels make this racing cylinder even more powerful.
Excellent workmanship and durability, combined with an exceptional price-performance ratio make this cylinder one of the most popular on the market.
The piston pin has a diameter of 12 mm.
We can also offer you this cylinder kit without cylinder head, or with 10 mm piston pin diameter.
Quality product from the Italian manufacturer Polini.
Details
Manufacturer | Polini |
Material | Gray cast iron |
Surface | sandblasted |
Displacement | 63 ccm |
Area of application | Tuning |
Crankshaft stroke | 43 mm |
Ø piston pin (B) | 12 mm |
Nominal diameter | 43 mm |
Ø cylinder neck | 45.7 mm |
Ø Outlet outside | 22.4 mm |
Camouflaged | No |
Hole pattern [mm] | 55 x 34 |
Ø outlet inside | 18.1 mm |
Number of fixing points | 3 pcs |
Decompressor | Yes |
Outlet type | clamped |
Suitable for the following models
Piaggio | Si Bravo/Superbravo Grillo |
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