A super shear stable petroleum lubricant engineered to withstand punishment, especially the beating of 2nd and 3rd gear starts. Special polymers provide exceptional positive clutch engagement and temperature stability, eliminating clutch "drag" and "slipping". Exceeds all known manufacturers' warranty requirements and recommendations, including API SL rated, and SAE 10w30 viscosity specs, ideal for use in all 2 stroke and 4 stroke moto-cross machines.