125CC 4 Stroke Engine Motor Single Cylinder with Air-cooled Motor Manual Clutch Engine Motorcycle Motor Engine for Honda CRF50 CRF70 Pit Dirt Bike ATV Quad - RibasuBB, RibasuBB

• 【Engine High Performance】A high performance engine, perfect for those comfortable with faster engines and have a desire to get up and go. Wide range of applications, can be applied for bicycles, models, skateboards and so on. Excellent quality, great bike engine motor accessories. 【Air-cooled Engine】There are metal fins on the outside of the cylinder. When the cooling fan blows over the fins, the heat generated by the engine is directly released into the air. It has the advantages of simple structure, light weight, wide adaptation to climate change, fast start-up, no need for radiators, etc. 【125CC 4 Stroke Engine Compatible】 For Honda CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50/CT90. 【Engine Power】Max Power: 6.5 kW/7500r/min±375r/min, Voltage: 12V, Max Torque: 8.0 Nm/5000r/min±250r/min, Idle Speed: 1500r/min, Min Fuel Consumption: ≤370g/kw.h, Ignition System: CDI, Type: Single cylinder, 4-stroke with air-cooled, and clutch operated by hand, horizontal. 【Gear Ratio】125cc engine gear ratio:2.833/1.706/1.238/0.958, Compression Ratio: 9.0:1, Primary Reduction.Ratio: 3.722, Carburetor Type:PZ16J,Transmission:4-speed, Manual clutch,1-N-2-3-4. Start Mode: Kick-starter.
• 【Upgrades Bike Motor Kit】Aluminum, Iron, and Plastic, Engine type: Forced Air Cooling, 4-Stroke, OHV, Single-cylinder, Inclined by 25 Degrees, 3HP Max Output, Rated Power: 2KW/3600rpm 【Install Suggest】 If you are inexperienced or installing an engine kit for the first time, please read our Video, or if you have any questions contact us in time. The Installation needs Professional hardware skills and tools, and about 2-4 hours of installation and fine-tuning. 【High Performance】 The 4-stroke engine is more stable, more reliable, and quieter than the 2-stroke engine. Also, the 56mm bore cylinder increases the bearing capacity, and reduces the working temperature, making it easier to start, while providing continuous output over a range of speeds. 【100cc Bicycle Engine Kit】Come with 100cc 4-Stroke Gasoline Engine, Fuel Tank, Base Bracket, Exhaust Pipe, 44 Tooth Chain, Chain Tensioner, Chain Guard, 2* Fixed Iron Pieces, Spark Plug Tool, Fuel Line, Fuel Tank Cap, Exhaust Cushion, Fuel Filter, Fuel Valve, Chain Tension Adjusting Tool, English Manual 【Enjoy Riding】This kit converts your bike into a motorized bicycle, with max. speed of 3600rpm for great efficiency and convenience, allowing you to fully enjoy the fun of riding on your commute and short journeys.