mechanical

Though I would rather an analog dial type speedometer the cables & wheel hardware don't last on my 1985 Fat City Cycles mountain bike with mag wheels & 66cc 2 stroke HT Engine from Bicycle Motor Works. I purchased this digital cycle computer from eBay for $10 including shipping. Seller is no...

Had this bike built by a guy a fair while away from me, and less than two weeks later it's just stopped working. Managed to run half a tank of petrol, refilled and now the motor won't kick back in at all. The guy refuses to help me or take responsibility. I'm not great at things mechanically...