1. Applicable ship type: four-stroke 4 horsepower outboard engine is suitable for various small ships (rubber boats, fishing boats, wooden boats, etc.) of 2.3-5 meters. 2. Driving conditions: The built-in fuel tank can drive at high speed for about 2 hours at a time. The driving speed is about 10-15km/h. The travel distance varies depending on the ship type and load current conditions. 3. Fuel use: Four-stroke fuel uses gasoline above 92#, and the engine oil is added to the internal fuel tank separately. 4. Other instructions: This model has no gear setting, stepless adjustment of the throttle, air cooling system, and plastic steel propeller. Note: The rated power of most ships is the maximum rated power. Do not use outboard motors that exceed this limit to configure your boat. Welcome and I wish you a happy life, my friend., Manufacturer: DCDCD