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Description:
high quality and best price from the factory, 90 days warrenty!50CC60CC80CCbicycle engine kit
1. 1.5mmenlarger size for the intake and exhaust , thus take more power!
2. ISO enginebearings, keep higher rotate speed long using time than others shitbearing!
3.New one piece crank shaft , more balanced and power
4.The old 4x8 flat Key on the clutch shaft easily loose, now wechange it by 2.5 awl key .
5.high intension Hex screw for the engine , not Chinese Cheese Screwany more!
6. 24C dualConnecting Rod Needle Bearings, more firm and stronger for the rodpin!
7.Gen3 carburator, more power and long using time!
7. 4screws idle pullery of14cm length with Japan bearing
8.415 Baihe ISO black heavy Drive Chain , the old silver color oneeasily broken!
9.Half round chain link attached in the packing
10. Longer alloy Clutch Lever with more holdopen catch (new style).
11. Chromed 9 Hole 44 Tooth DriveSprocket !
common bicycle motorized engine kit 65cc
