80cc Bicycle Engine Kit, Engine Type: Single cylinder, air-cooled, 2-stroke. For screw and bolts easily broken, we have upgraded premium quality he-x socket screw and bolts to improve the performance. Motorized bike kit, Power: 5-6 H-P (horse power) stock -Top Speed: 25-35 MPH (miles per hour) stock – Fuel Economy: 100-150 miles per gallon. Fuel Type:Gasoline 93#;Mixing Ratio of Fuel and engine Oil: 16:1 for new sets breaking time, 25:1 after running 300KM;Please use premium quality oils to prolong engine life. And add some lubricant into the air cylinder before starting. Bonus Speedometer as gift, Fits Most 26″ or 28″ Wheeled Bikes (Mountain, Cruiser, Chopper, Road) with V-frame. The frame should have 9-11″ of clearance between the bottom bracket and top bar, and the diameter of the frame tubes should be 25-29mm (around an 1″). Notes:The ride-r needs basic hardware skills, tools, and around 2-3 hours for installation and fine tuning adjustments. If you do not have experience or the first time on installing the motor kit, before installing, please kindly read our instruction and search “80cc bicycle engine kit” on youtube, it will give a big help and troubleshoot a lot of issues during installation process. 80cc bicycle engine kit includes all the parts and instructions necessary to convert your bike, also include bonus speedometer. It is a bit technical, and will require some time to install, thus professional installation is highly recommended. Our 80cc motorized bike kit comes with classic style analog speedometer, you can see your motorized bike’s speed and control it well. To start, move the choke lever to “on” position, hold in clutch, pedal the bike fast to get some speed, and then release the clutch gradually. To stop, slow speed, disengage clutch and apply either original brake (if you didn’t remove the original left handle brake). To stop the engine, choke the carburetor completely with the lever on the carburetor. Alternatively, slow speed, hold in clutch and press the kill switch on twist-grip throttle. All our engine already fully assembled when arrived. In order to let our customer know more about our product, we take it apart and let cusotmer to know the truth inside. Because we stand behind our product, if have any problems, we can solve it in timely. Please also keep in mind that the motor will use a mix of gasoline and oil. The oil is used as a lubricant. Without it, the performance and longevity of the motor will be reduced. Our engine’s magneto comes with three wires, one more white wire and can be used for headlight if need. The bicycle engine kit fits most 26″ or 28″ wheeled bikes (Mountain, Cruiser, Chopper, Road) with V-frame. If greater than 1, it need the universal motor mount. Mode of Engine: Single cylinder, air-cooling, 2-stroke. Bore & Stroke: 47mm X 40mm=80 cm3. Rated Power: 2.5Kw/5000r/min (3 horsepower/5000r/min). Power: 3.5Kw/6000r/min (5-6 horsepower/6000r/rnin). Compression Ratio: 6:01. Driving Ratio: 18:01. Lubrication Oil: oil for 2-stroke petrol engine (or oil for 10W/40.10W/30). Mixing Ratio of Fuel and engine Oil: 16:1 for new sets, 20: 1 after running 500km. Type of Sparking Plug: Z4C 14MM. Volume of oil Consumption: 2.5L/100km. Type of Clutch: Friction Plate / Dry. Cooling mode: Natural air cooling. 1 x pk80 80cc 2-Stroke Engine Motor Kit (Bicycle Not Included). The item “Full Set 80cc Bike Bicycle Motorized 2 Stroke Petrol Gas Motor Engine Kit Set” is in sale since Wednesday, March 10, 2021. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Complete Engines”. The seller is “alisafy8-two” and is located in New York , California. This item can be shipped to United States.

• Fuel type:: No.90
• Driving Ratio:: 18:01
• Compression Ratio:: 6:01
• Ignition Mode:: CDI
• Max. Power:: 3.5Kw/6000r/min (5-6 horsepower/6000r/rnin)
• Rated Power:: 2.5Kw/5000r/min (3 horsepower/5000r/min)
• Bore & Stroke:: 47mm X 40mm=80 cm3
• Manufacturer Part Number: Does Not Apply
• Mode of Engine:: Single cylinder, air-cooling, 2-stroke
• Lubrication Oil:: oil for 2-stroke petrol engine (or oil for 10W/40.10W/30)
• Mixing Ratio of Fuel and engine Oil:: 16:1 for new sets, 20: 1 after running 500km
• Type of Sparking Plug:: Z4C 14MM
• Volume of oil Consumption:: 2.5L/100km
• Type of Clutch:: Friction Plate / Dry
• Cooling mode:: Natural air cooling
• Speed Limitation:: 38km/hour
• Brand: Unbranded
• Warranty: 1 Year