The engine is the latest evolution of the KZ / KK road engine and is equipped with an APTS mechanical exhaust valve. Compared to the cousin, the engine adopts a new heat pump, a different carburetor for the Dell'Orto PHBH 28 carburettor and a new exhaust system suitable for an enduro. Obviously there are different internal and external gear ratios. The tests detect a maximum wheel power of 21.95 cv and a maximum speed of 133.3 km / h.