This aluminum cylinder, which comes with the matching cylinder head, is compatible with Piaggio Si mopeds.
The 46 mm racing cylinder from Pinasco is one of the best cylinders for Piaggio currently available on the market. This 75 cc cylinder is characterized by perfect workmanship and precise tuning.
Thanks to its design and corresponding valve timing, this racing cylinder delivers high torque.
Piston pin diameter: 12 mm
Note: To install this cylinder in a Piaggio cylinder head, the head must be milled out or honed. Alternatively, a racing cylinder head with a larger diameter at the cylinder mounting area can be used.
Note: Please observe the installation direction during assembly. The piston is installed with the arrow pointing toward the exhaust on the exhaust side.
You can find alternative cylinders, racing casings, and other interesting add-on parts in the accessories section.
Manufactured by the Italian brand Pinasco.
| Nominal diameter | 46 mm |
| Manufacturer | Pinasco |
| Material | Aluminum |
| Camouflaged | No |
| Surface | sandblasted |
| Displacement | 70 ccm |
| Crankshaft stroke | 43 mm |
| Number of fixing points | 3 pcs |
| Ø piston pin (B) | 12 mm |
| Outlet type | clamped |
| Area of application | Tuning |
| Decompressor | Yes |
| Piaggio | Si Bravo / Super Bravo Grillo |
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