Honda Portable Outboard 9.9HP Boat Gas Motor - Quieter performing then your standard boat motor the 9.9HP Boat Gas Motor is a dependable package that performs at high levels. Enjoy more performance then you've experienced in the past with similar sized boat motors. Please read all manufacturer storage instructions. 5 year warranty Full Throttle RPM Range: 5,000-6,000 Engine alert system EZ steer friction control Shallow water drive Displacement: 222cc Type: 4-stroke SOHC 2 cylinder, 4 valves Cooling system: water cooled Propeller: 4 blade aluminum