The rear cover presents a round shape to optimize the filling and reducing the dead spaces. the steel plate is to reduce friction and to expand the lifespan of the conrod.
The sleeve has 4 transfer ports to supply a linear power output and to keep fuel consumption low.
The crankshaft is manufactured with a larger bore intake to increase the mixture flow; and has a special shape to optimise gas-flows in the engine.
The combustion chamber is supported by an O-Ring which is placed between the combustion chamber and the crankcase to reduce the vibrations of the combustion chamber.