I found this motor on ebay and I'm planning a second build for my wifes bike.
What do you guys think of this engine?
47cc 49cc 2-Stroke Engine Pocket Bike Mini Quad Bicycle - eBay (item 220666695950 end time Apr-06-11 17:15:35 PDT)
Should I go chain drive or friction drive? what would be better? not looking for a lot of power transfer, but just for cruising around 10-15mph.