The power to weight ratio calculates the the weight of engines/vehicles in kg per kW of engine performance. Here it is decided, how many kgs each kW has to move. For other vehicles unattainable, the Formula-1 engine rules with a top power/weight ratio of almost 0,15 kg/kW engine- (see picture) and approx. 0,9 kg/kW vehicle-power/weight ratio. Below, the data for standard motorcycles (net weight with a full tank) can be seen: