DetailsTightened Bracket: They are used to secure the thrusters and transom plates of the ship.Anti-Vortex Board: The is an anti-vortex board above the propeller to keep the water flow steady.Funnel: You can add fuel to this motor conveniently.Motor Vents: There are motor vents in the shell of the engine, which help dissipate heat in time to protect the machine, increase its work efficiency, and extend its service life.Easy-to-open Engine Cover: The engine cover with a push-button latch for immediate access to the engine for you to check real-time conditions and make timely adjustments.ApplicationIt is suitable for 220-441 lbs small boats.SpecificationFull Throttle Operating Range: 4000-5000r/MinMaximum Output: 2.5kw(3.5hp)Speed: 8-10km/H (Depending on the environment, the water, the hull load, the speed will be different)Type: 2-StrokeIgnition System: CDI SystemStarting System: Manual StartStaring Carburetion System: Choke StartPropeller Mark: 7-1/45-a(Inch)The Engine and the Propeller Ratio:2:1Recommended Fuel: Regular Unleaded GasolineFuel to Oil Ratio: 35:1Gear Ratio: 27/13Maximum Speed: 10 Km / HBuilt-in Fuel Tank: 1.3L/0.29GalFuel Consumption per Hour: 1.5L/0.33GalShort Shaft:40cm/15.75inOverall Length:92cm/36.22inOverall Widteh:36.5cm/14.37inOverall Height:22cm/8.66inTransom Height:42cm/16.54Adaptable Stern Height: 38-44 cm/ 15-17 inchStern Measurement: distance from the stern where the machine is hung to the groundPackage List1x Outboard Motor1x Funnel1x Proportional Bottle1x Pump Impeller1x Spark Plug1x Fuel Tank1x English Instruction1x Installation Tool Kit1x StarterAll Accessories for Assembly