6 Wheel Hill Climbing Go-Kart – Is It Too Powerful for an off-road go-kart ?

We took an old Manco single seat frame and added our Series 40 Torque Converter Kit to our Predator 8 HP (301cc) OHV Horizontal Shaft Engine as well as 4 18×950-8 V Tread off road tires to the back of it.