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primary gear chain

  1. R

    Primary chain loose. chain from crank to primary shaft CB 900F

    Hi, I have a 1982 CB 900F and I need some help with it. I had finished building the engine and everything seemed to be perfect. However, when I accelerated, the primary chain (the chain from the crank to the gearbox) slipped. I opened the gearbox and found that the chain was loose and had...
  2. I

    Noisy Primary Chain

    I have a 1981 Honda CB750F. When starting the engine, there is a knocking sound coming from the center of the engine - in the area near the starter motor mounting bolts. On inspection, it appears that the Primary Gear Chain Tensioner is worn. I could not find a new tensioner and the part is no...
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