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ignition timing

  1. Neverfinished

    No vacuum on cylinders 3&4

    Bike runs, idles steady. Carbs have been pulled and gone through twice. Manifolds on both sides replaced. No indication that the bike is running on only two cylinders and it actually sounds nice at idle. Figured since I got it running fairly well id do a carb sync. Cyl 1&2 look good - both...
  2. R

    Ignition timing and black plugs - cb750c 81

    Hey my first project a cb750c 81 is almost finished and i'm test riding to fine tune everything. The bike is running ok but it need some improvements. Maybe you guys have some tips :) I'm playing al little with my ignition. So if i understand the tuning with the timing light. The arrow has to...
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