Sleeve:

The sleeve has 9 transfer ports. The special shape and positioning of the ports, improve the internal fluid-dynamics to obtain the maximum possible performance. Lightened CNC machined piston.

Crankshaft:

The crankshaft is grinded to increase the mixture flow and has a special shape to reduce turbulences inside the crankcase. The balancing is done by two inserts made of tungsten alloy and the inlet has a silicon filling to reduce the weight of the crankshaft to improve acceleration.

Gasket:

The inner shape of the gasket has a special shape. These gaskets use a special rubber that are more resistant to high temperatures.

Carburettor version.

Also available with carburettor code 10345 (10mm) and 10346 (11mm).