Couple carter engine factory Ghr

GHR factory crankcase. For GHR 50cc and 40cc engine. (compatible with bzm).

The first to be designed with an engine casing that allows the clutch unit to be cooled in the best possible way, the main cause of the detachment or breakage of the masses. Particular attention has also been given to the cooling of the ignition unit, because the neodymium magnets of the flywheel should never exceed temperatures of 80 ° (max limit normally recommended).

Furthermore, we can note that the reed valve pack and manifold are in axis, to avoid as much pressure losses as possible due to changes in section and inclination.