Specifications
high quality and best price from the factory, 90 days warrenty!50CC60CC80CC bicycle engine kit
1. 1.5mm enlarger size for the intake and exhaust , thus take more power !
2. ISO engine bearings, keep higher rotate speed long using time than others shit bearing!
3. New one piece crank shaft , more balanced and power
4. The old 4x8 flat Key on the clutch shaft easily loose, now we change it by 2.5 awl key .
5. high intension Hex screw for the engine , not Chinese Cheese Screw any more!
6. 24C dual Connecting Rod Needle Bearings, more firm and stronger for the rod pin!
7. Gen3 carburator, more power and long using time!
7. 4screws idle pullery of 14cm length with Japan bearing
8. 415 Baihe ISO black heavy Drive Chain , the old silver color one easily broken!
9. Half round chain link attached in the packing
10. Longer alloy Clutch Lever with more hold open catch (new style).
11. Chromed 9 Hole 44 Tooth Drive Sprocket !
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