this motor is way underpowered!!!!!!! no hi rpms....tech assitance at horizon never returned call...carb was faulty out of box..was sent new one...have 6 tanks of fuel thru it with a 15 x 7 prop...this motor is terrible!!! i have a thunder tiger pro 46 that has more power than thi motor.do not buy this motor i only had for 3 weeks now.$274.00 what a waist!!!pulling it off and in the recycle bin it goes!!!p.s. will not buy from horizon