80cc Bicycle Engine Kit 2-Stroke Gas Motorized Bike Motor Kit 26" 28" Bicycle Motor Engine Kit Upgrade Black

2-stroke 80cc engine kit is perfect to upgrade the regular bike to a motorized bike,you can enjoying riding at a faster speed, which can reach 38km/h as fast as a motorcycle or scooter
Fits for most 24" 26" or 28' wheeled bikes 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")
Key parameters: bore and stroke-47mm & 40mm, Max. power 3 horsepower/5000r/min, Super fuel-efficient, only consuming 2.5L fuel/100km
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
Mode of Engine: Single cylinder, air-cooling, 2-stroke Natural air cooling; The rider needs some basic hardware tools, skills and around 2-3 hours to install. Add some lubricant into the air cylinder before starting. NOTE: Due to the chemical reaction of electrophoresis, the engine motor of the product will have a certain proportion of color difference. Please mind to buy it carefully

	Black 80cc 2-Stroke Bicycle Engine Kit 26" 28"	Silver 80cc 2-Stroke Bicycle Engine Kit 26" 28"	Black 50cc 2-Stroke Bicycle Engine Kit 26" 28"	Silver 50cc 2-Stroke Bicycle Engine Kit 26" 28"	49cc 4-Stroke Bicycle Engine Kit for 28” V Frame Bike and 26” ATV Bike
colour	Black	Silver	Black	Silver
Stroke	2	2	2	2	4
Output	80CC	80CC	50CC	50CC	49CC