motor bicyces

  1. ilandz

    Many problems with chain drive system...

    I'm very new to motorized biking, having just finished turning an old 90's mountain bike into a speed demon. (or at least I hope it will be) The kit I got was a pretty standard 49cc 4 stroke from ebay. The biggest problem I've had so far is the chain that connects the belt drive to the sprocket...
  2. B

    Motor kit for a 1972 schwinn collegiate 3

    I am looking for some suggestions as to which kit I should get for my schwinn. I have talked to a few people who have said that the bike might not be a good fit for a motor. The bike rides really well and has a new set of tires, the breaks work just fine, and I have not had any problems with the...
  3. CalmJackal

    My very first build

    Hey guys I've been here for a while, stopped considering a motorized bike and looks for the a bigger motorcycle. But it turns out my dad can't help me with financial responsibility if I will get one (I'm just earning minimum wage). Now I'm planning to convert my fixie with a flip flop hub. I'm...
  4. M

    NEED HELP struggling to start a motor unusual case

    Hello Ive bought a 80cc powerbike motor 2stroke 1 cylinder and install according to instructions, i cant seem to get the motor turned over as i pedal release the clutch i can hear the motor initially start but wont engage full run as i try to accelerate it wont go it will just die down as i...
  5. M

    Motor bicycle hooking up lights..

    Can anyone tell me what to do if my engine came without a white wire for a light?? can i still hook something up and how?? would i just bridge into the blue wire or is there somewhere else i should be wiring the light to?? thansks again sooo much