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.
Manufacturer: Polini · Ø cylinder: 41 - 43 mm · Area of application: Racing
Hole pattern [mm]: 55 x 34 · Manufacturer: Polini · Material: Gray cast iron · Surface: sandblasted · Displacement: 63 ccm · Crankshaft stroke: 43 mm · Nominal diameter: 43 mm · Ø cylinder neck: 45.7 mm · Ø Outlet outside: 22.4 mm · Ø outlet inside: 18.1 mm · Ø piston pin (B): 12 mm · Outlet type: clamped · Number of fixing points: 3 pcs · Decompressor: Yes · Camouflaged: No · Area of application: Tuning
| Nominal diameter | 43 mm |
| Manufacturer | Polini |
| Material | Gray cast iron |
| Surface | sandblasted |
| Displacement | 63 ccm |
| Crankshaft stroke | 43 mm |
| Ø cylinder neck | 45.7 mm |
| Ø Outlet outside | 22.4 mm |
| Ø outlet inside | 18.1 mm |
| Hole pattern [mm] | 55 x 34 |
| Ø piston pin (B) | 12 mm |
| Outlet type | clamped |
| Number of fixing points | 3 pcs |
| Area of application | Tuning |
| Decompressor | Yes |
| Camouflaged | No |
| Piaggio | Si Bravo / Super Bravo Grillo |
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Collection only possible with online purchase and appointment.
