About this item

• 【Durable & Sturdy】: The aluminum engine shell, iron fuel tank with baking paint, a 415# steel chain with rust prevention shot blasting process, and a rubber and nylon belt offer wear prevent, achieving a max bearing capacity of 440 pounds and ensuring superior performance and a longer lifespan.
• 【Strong Power】: The engine boasts a robust 3.5HP horsepower, a displacement of 100cc, a max power of 2kw/h, and a max rotating speed of 3600RPM, which provides you with strong power and accelerates your bike to a max speed of 50km/h.
• 【Large Fuel Tank】: It measures 11.41x5.9x6.29 inches with a large capacity of 0.52 gallons, allowing it to work for a long time. You don't need to fill the tank frequently, which is very convenient.
• 【Low Fuel Consumption】: The overhead valve is used, which effectively helps reduce carbon buildup and dramatically improves fuel savings. The air filter also improves air filtration performance and reduces wear, achieving a fuel consumption of around 0.66 gallons/100km and saving much money on fuel costs.
• 【Quiet Operation】: This bicycle engine kit only has slight noise (about 75dB) and vibration when used. You can use it in most outdoor environments without worrying about noise disturbance.
• 【Effective Cooling System】: By adopting an air cooling system, the temperature of the engine can be quickly reduced, effectively preventing overheating and ensuring smooth and long-lasting riding.