Product features: Strong power and stable operation Performance optimization and fast response.Upgraded appearance, dynamic atmosphere Use WaLbrocarburetor.Use NSKimported bearings, Use professional electronic igniter Warm tips: The oil needle has been adjusted to the best position when the product leaves the factory. Customers in low altitude plain areas do not need additional adjustment. For use in high altitude or mountainous areas, please slightly adjust the "L / H oil needle" according to the actual use. Note: only by taking good care of the engine can the engine have a good service life. The normal use of gasoline engineThe service life is more than 200 hours. At the same time, our engine recommends to use mote 800 fully synthetic two-stroke engine oil.(The factory batches are different. If there is any difference in appearance, it does not affect the use of the product.) Tips for using two-stroke aviation model gasoline engine: When installing the engine, be sure to seal the carburetor and exhaust port of the engine to prevent foreign matters from entering the engineThe engine block and piston are damaged, which brings inconvenience to your engine. two stroke aviation model gasoline engine running in standard: Engine running in can be divided into ground running in and flight running in. running in can make the engine give full play to its power, performance and performanceService life, please fully run in the engine after receiving it. Thank you! 1. Running in time: more than 2 hours on the ground and more than 5 hours in flight 2. Speed distribution of running in: idle speed 20%, medium speed 60%, high speed 20% 3. Lubrication ratio of running in: 25: 1-30: 1 (fully synthetic two-stroke engine oil) 4. Precautions for running in: do not flash oil during running in(the throttle changes too much in a short time), in the process of flight running inTry not to fly with the maximum power for a long time, and keep it 80%. Pay attention to whether the heat dissipation channel of the engine is smoothGenerally speaking, the propeller used is appropriate. It must be preheated and debugged before flying or debugging. Material: Metal colour: silver Package Contents: 1 x Gasoline Engine Set 1 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.