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Sorry for not updating the site for so long. (I know we have a lot of fans out there). hah.
After a few hours of frustration, trying to figure out what the vibrations were coming from. We got the motorcycle running smoothly when my uncle Rocky helped me out over the phone. He told me to use a screwdriver and put the handle on my ear while touching the metal end to the bike frame while the engine was running. The homemade stethoscope worked like a charm and we found that the vibrations were coming from one of the down tubes. At one end of the down tube, two bolts held the tube in place. One of them was missing and the other was too long. When the end of the down tube was held in place, the vibrations stopped.
Alex and I were both surprised because the sound seems to emanate from the front of the bike, but the loose part was towards the rear.
Update: We're not sure if we want to use an AC motor anymore. A large DC outperforms AC and still costs less.
Categories: Internal Cumbustion Engine