100% brand new, not installed, high quality. A complete engine kit for retrofitting bicycles. Heavy-duty metal engine body increases durability. Super fuel-efficient, enlarged cylinder head is good for heat dissipation. Fast and stable, up to 55km/h. Comes with all necessary hardware, easy to install. Material: aluminum and iron. Engine model: 100CC, single cylinder, air-cooled, two-stroke. Bore & Stroke: 49mm and 40.2mm. Rated power: 3Kw / 5000r / min (4 horsepower / 5000r / min). Maximum power: 3.8Kw / 6000r / min (5.5-6.5 horsepower / 6000r / min). Chain length: 110 links. Compression ratio: 6:01. Transmission ratio: 18: 01. Fuel tank capacity: 2L. Speed limit: 50km / hour. Lubricant: Two-stroke gasoline engine oil (or 10W / 40.10W / 30 oil). Fuel and oil mixing ratio: 16:1 for the new unit, 20:1 after 500km. Spark plug type: Z4C 14MM. Clutch type: friction plate/dry. Cooling method: natural air cooling. Suitable for most 26″ and 28″ types of bicycles. Inlet Manifold Inner Diameter of Central Hole: 14.7 mm / 0.58 inches. Inlet Manifold Overall Length: 57.65 mm / 2.27 inches. Inlet Manifold Overall Width: 54.8 mm / 2.16 inches. Inlet Manifold Outer Diameter: 19 mm / 0.75 inches. Exhaust Outlet Inner Diameter: 21 mm / 0.83 inches. 1x Silver engine box. 1x black fuel tank. 1x silver exhaust pipe. 1x fuel tank cap. 1x exhaust pipe hoist. 1x spark plug tool. 1x clutch large spring. 1x clutch small spring. We have warehouses in the USA, UK, DE and AU. For those customers who live in the US, UK, DE, EU and AU, we will send item from the corresponding warehouse. For those customers who live in other countries, we will send item from our foreign warehouses if available, otherwise from China. E-mails are answered Monday through Saturday. Please allow up to 48 hours for a response to your message 3. The item “Full Set 100cc Bike Bicycle Motorized 2 Stroke Petrol Gas Motor Engine Kit Set” is in sale since Monday, March 15, 2021. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Other Motorcycle Parts”. The seller is “motorcycleparts_aa” and is located in Perth Amboy, New Jersey. This item can be shipped to United States.

• Manufacturer Part Number: Does Not Apply
• Brand: Samger
• Material: Aluminum+iron
• Color: Silver
• Engine model: 100CC
• Cylinder: Split cylinder
• Bore & Stroke: 49mm & 40.2mm
• Rated power: 3Kw / 5000r / min (4 horsepower / 5000r / min)
• Maximum power: 3.8Kw / 6000r / min (5.5-6.5 horsepower / 6000r / min)
• Ignition method: CDI
• Fuel tank capacity: 2L
• Speed limit: 50km / hour
• Spark plug type: Z4C 14MM
• Fuel consumption: 3L/100km