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  1. R

    Ignition timing and black plugs - cb750c 81

    Ok thanks for the advise. :thumbsup: Ill will set my valve clearance tighter this week. I keep you posted with the results!
  2. R

    Ignition timing and black plugs - cb750c 81

    A 0.003 can just fit between the tightest ones but that is still on the tight side. I will set them a little looser! The strange thing is that if i turn my pulser plate counter clockwise the engine speeds up. Counter clockwise more to the s sign is retarding the timing? like nr 2 And...
  3. R

    Ignition timing and black plugs - cb750c 81

    Thnx @amc49 Yes sorry 80 is the primary main. Compression is good. My valve clearance is in spec but a little on the tight side. I heard loose is better? When the gap is bigger between the shim and the camshaft then the valves are seating better?
  4. 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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