Oukaning 125CC 4 Stroke Engine Motor Go Karts Motor Manual CDI Pedal Start Air Cooled Manual Transmission with Reverse

【125CC 4 STROKE ENGINE MOTOR】Fits for 125cc all size ATVs and 125cc all size Go Karts. This engine 4 stroke, semi automatic transmission with reverse, electric start. Assembly comes with intake pipe, drive sprocket, sprocket cover & spark plug, but doesn't come with carburetor, battery, CDI, voltage regulator, ignition coil etc. 【AIR COOLED ENGINE】There are metal fins covering the outside of the cylinders and the heat generated by the engine is released directly into the air when the cooling fan blows air over fins. It has the advantages of simple structure, light weight, wide adaptability to climate change, rapid start up and no need of radiator. 【HIGH QUALITY MATERIAL】Aluminum cylinder head and iron cylinder body, improves the heat dissipation capability, cuts the weight and increases the torque of the engine. The engine is low speed with high torque and has large diameter bearings for crankshaft connecting rod, increasing the reliability of the bearings. 【HUMANIZED DESIGN】High-flow oil pump, reduces the wear of friction pairs and prolongs the engine life. The lubricating oil strainer helps removing solid contamination from lubricating oil, largely reducing the wear of friction pairs and prolonging the engine service life. 【Crank shaft】: The engine is low speed with high torque and has large diameter bearings for crankshaft connecting rod, increasing the reliability of the bearings.