Used for only a few hours. Never got around to using much now that I have a full size boat. This is perfect for an inflatable, canoe, or dinghy. Has built in gas tank so you save so much space on the boat. Mfg description: Yamaha's 72 cc 2.5 HP portable outboard is the smallest motor on the roster, but it still packs a punch. Completely redesigned, it's even more portable, easier to store and clean burning. Features: Forward / Neutral shift (360 Degree Swivel Steering) 3-Way Storage Positions - (Stbd, Front and Port) Large Tiller Handle Single carburetor Water Cooled Integral Fuel Tank: 0.24 gal (0.9 L) Decompression Device: reduces pulling force for easier starting Specifications: Engine Type: 1 cylinder Displacement: 72 cc Bore x Stroke: 54 x 31.5 mm (2.13 x 1.24") Prop Shaft Horsepower: 2.5 HP at 5500 rpm Full Throttle RPM Range: 5250 ~ 5750 Compression Ratio: 8.8:1 Fuel Induction System: Carb Weight: 17 kg (37 lbs) - 20 kg (40lbs) (dry weight without propeller) Recommended Fuel: Octane 87 Recommended Engine Oil: Yamalube 4M C.A.R.B. Rating: 2-Star Exhaust: Above Propeller Intake: 2 Ignition: TCI Spark Plug: CR6HSB Lubrication: Splash Engine Oil Capacity: 0.35L Recommended Cooling: Thermostatic Control Ethanol Blend Limit: 10% Maximum Gear Ratio: 2.01:1 Gear Shift: Forward, Neutral Shaft Length: 15" - 20" Degree of Tilt: 79° Degree of Trim: -4° through +16° Dry Weight: 15" shaft / 17 kg (37 lbs), 20" shaft / 20 kg (40 lbs) Mounting Centers: N/A Steering Angle (maximum): 360 deg. from center, either direction Fuel line included Standard 3-Blade Aluminum Propeller