Hey Jerry, welcome to the forum. Lots of info on the site here about motorized bicycles. There are many sources for the engine kits. Check e-bay. Thatsdax is a sponsor here and has a good reputation for service after the sale. I've never bought one from him so I can't speak from experience, only what I've heard here on this forum. Both of my bikes will climb pretty steep hills with no assistance. They do get very good mileage and will pay for themselves pretty quickly, especially as expensive as gas is right now. Don't be afraid to ask any questions here. Everyone is very friendly and helpful here.........................

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