Here we offer you a very high quality cylinder kit from Polini. To use it you have to retune the carburettor as described in the installation instructions and you should use a reinforced crankshaft bearing. For the maximum power of 37 HP at 11.000 rpm we recommend the use of a 32 mm carburettor or bigger. Other data of the Polini cylinder kit are a stroke of 54,5 mm, a displacement of 154 cc and a compression 14:1. The bore is 60 mm and the piston pin 15 mm. The complete kit includes the cylinder with cylinder head, piston with piston rings and piston pin, a gasket kit and the installation instructions.
Drill hole: 60mm
Power: 37PS at 11.000U/min (manufacturer's specification)