Re: Upgrades and mods from stock
Decided to quit thinking so hard about rubber mounting for Chinese motor. Simply pulled motor loose, inserted pieces cut out of a sheet of roofing rubber (the kind they use on flat roofs) and put them around the frame where the stock Chinese mounts go, bolted them back up, and very noticable difference! Less vibration AND less noise; I guess it makes sense, if the engine noise isn't being resonated through the whole bike frame. Any roofing company that does flat roofs should sell (or give away) the tiny trimmings that would be adequate. They may not last forever, but it's only a 10 min job. And the motor is still held firmly in place against torque.
Try it, you'll like it!