4-Stroke 50cc Engine for Bicycle Refit Kit

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Model: 1E42F Emissions: 49CC Maximum Power 1. 4KW, 6800 rpm 
It does not need oil mixed with gasoline, the voice is small 
automatic, -over clutch. 
Connecting rod bearings: Φ2.5x10 long roller bearing (GB309-64) 
Crankshaft bearings: ball bearings (202GB276-64) 
Clutch bearings: ball bearings (6202GB276-64) 
The chain of transmission: wearing a bike chain. (Special specifications can be equipped with user needs) 
The total transmission ratio: 16.4:1 
Random parts: fuel tank, guard, guide, car chain, dental plate assembly, the on-off throttle control, ignition, the muffler. 
Engine weight: 9 kg (including fuel tanks and annex). 
Fuel consumption: in-roads to 20-25 km / h speed of the economy, per 100 km fuel consumption 1.5 liters (F60-1.8 liters). 
Maximum speed: 40 km on the road Ping / (installed in 26 to 28 on a bike).