Two-stroke outboard engines should use a mixture of two-stroke oil and gasoline. <br>Under the circumstanceof the same horsepower, 2 stroke is powerful than 4stroke.But the fuel of former is high,and create the noise and it is light weight and low price. <br>Unlike other traditional land products,our outboard motor are more reliable and stable when it is used and can ensure your safety. <br><br>Engine type: Single cylinder, 2 stroke,air-cooled <br>Engine model: 1E44F-6 <br>Displacement : 52cc <br>Max. Power: 1.9kw/7500rpm <br>Bore x stroke 44mm x 34mm <br>Start system: Recoil start(manual start) <br>Ignition system: CDI <br>Mixing ratio(Gasoline:oil) 25:1 <br>Fuel tank capacity: 1.2L <br>Idle speed: 3000rpm <br>Guaranteed LwA: 63.6dB(A) <br>Gear positions: Forward-neutral <br>Gear ratio: 2.08(27/13) <br>Propeller diameter: 18cm <br>Propeller options: 7-1/4*5-A inch <br><br>Engine type:Single cylinder, 2 stroke,air-cooled <br>Professional standards performance，Engine air cooling system <br>Perfect match inflatable boats, fishing boats, sailboats, and small yachts. <br>Durable----Economical and compact structure. Durable, lightweight and anti-corrosive construction. <br>Quiet Driving----Works with little noise., <br>Suitable for: Freshwater and saltwater <br><br><br>If you have any questions, please contact us. <br>It is my pleasure to serve you.