100CC Bicycle Engine Kit, 4 Stroke 3.5HP Electric Bike Motor w/Electronic Ignition & Air Cooling System, Suitable for Mountain Bikes, Road Bikes and Large Triangular Empty Frames (Chain)

ApplicationThis product is suitable for mountain bikes, road bikes, gravel bikes, beach bikes, etc. with large triangular empty frames.SpecificationsColor: Black, SilverType: Single Cylinder, 4-stroke, Air-coolingMaterial: Aluminum, Iron, #415 Steel, Rubber, NylonSurface Treatment: Baking Paint, Rust Prevention Shot BlastingAssembly Required: YesStarter System: Hand StartNumber of Teeth: 44Ignition Mode: Electronic IgnitionMax Torque: 4.5N-mBore Stroke: 56*40mm/2.2*1.57inchDisplacement: 100CCHorsepower: 3.5HPRated Power: 2kw/hMax Rotating Speed: 3600rpmMax Speed: 50km/31miles/hCompression Ratio: 7:1Fuel Tank Capacity: 2L/0.52 GallonsFuel Consumption: 2.5L/0.66 Gallons/100KMLubricant Capacity: 0.4L/0.1 GallonsGasoline Type: 92#, 95#Max Load Bearing Capacity: 200kg/440lbsNoise: About 75 decibelsGross Weight: 21.65kg/47.73lbs Net Weight: 19.2kg/42.32lbs Chain Cover Size: 41*7.5cm/16.14*2.95in Fuel Tank Size: 30*14*15cm/11.81*5.51*5.9in Gear Diameter: 18cm/7.08in Diameter of Bicycle Teeth Disc: 18cm/7.08in Engine Size: 36*28*23cm/14.17*11.02*9.05in Package Size: 71*35*28.5cm/27.95*13.77*11.22in Package Included 1*Bicycle Engine Kit1*English ManualAll Accessories for AssemblyNotes1. Please carefully read the manual and strictly follow the precautions to have a better experience. 2. Please note that professional installation is recommended.3. Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order.

• Sturdy and Durable: Aluminum engine casing, baked iron fuel tank, 415# steel chain with anti-rust and shot blasting process, nylon engine side cover with corrosion and abrasion resistance, and maximum load capacity up to 440 lbs
• Powerful Power: Powerful 3.5 HP, 100CC displacement, rated at 2kw/h, max speed 3600RPM, providing you with strong power and maximum acceleration up to 50km/h
• Large Fuel Tank: Measuring 11.81*5.51*5.9 inches with a capacity of 0.52 gallons, it can work for a long time. You don't need to fill up the fuel tank often, which is very convenient
• Low Fuel Consumption: Engine adopts overhead valve, which effectively reduces carbon emissions and improves fuel savings. The air filter improves air filtration performance and reduces wear and tear, the fuel consumption is about 0.66 gallons/100km
• Quiet Running: This bike engine kit is only slightly noisy (about 75dB) and vibrates when in use. With air cooling system, it can quickly reduce the engine temperature and effectively prevent overheating, ensuring a smooth and long-lasting ride