Wholesale Outboard Motor 4 Stroke The 4-stroke outboard engine is more like a car engine, with a special oil filling hole. The 4-stroke outboard motor needs to add the right amount of oil for the lubrication of the crankshaft and other gears, and the waste oil is discharged every once in a while, and a new same type of oil is refilled to ensure the high performance of the outboard motor. If you need to use the outboard motor frequently, for the protection of the environment, the 4 stroke boat engine is recommended. At the same time, the more you use, A 4-stroke outboard machine is more fuel-efficient than a 2-stroke outboard machine. So that's why more and more fishermen are choosing 4-stroke boat engines. SPECIFICATIONS Model (4-stroke)HMF2.5 DemensionOverall Length: 750mm Overall Width: 333mm Overall Height S: 913mm Overall Height L: 1,040mm Net WeightShort Shaft: 17.3 kg Long Shaft: 18 kg Gross WeightShort Shaft: 21kg Long Shaft: 22 kg Full Throttle Operating Range5250-5750 r/m Maximum Output1.8 KW Idling Speed1200卤50 r/m Displacement72 cc Engine Oil Capacity350cc BoreStroke54*31.5mm Ignition SystermTCI Spark PlugB7HS-10 Spark Plug Gap0.6-0.7 mm Control SystermTiller Handle Starting SystermManual Starting Carburetor SystermChoke Valve Gear PositionForward-Neutral Gear Transmission Ratio2.08 Trim and Tilt SystermManual Tilt Recommended FuelUnlead Gasoline Gear Oil0.075L Fuel Tanks Capacity1.1L Package Size109*40*47 CM Wholesale Outboard Motor 4 Stroke website:http://www.himarinepower.com/outboard-motor/outboard-motor-4-stroke/