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  1. M

    after market tachometer to coil question

    Looking for info on tachometer hooking up. Im helping someone with there bike. All original wiring is gone and a basic wiring harness has been made. We have a after market tachometer and wondering which of the tach wires to hook the tach sensor wire to. Maybe someone has wired up a...
  2. M

    any pictures or info on 1970 fork lowers

    Looking for some pictures of the innards of my lowers. Supposed to be a 69-70 by the picture of my lowers. Ive taken them apart to replace the tubes. My innards do not look like anything ive seen in any books. Does any one have pictures of a 69-72 lower taken apart?
  3. M

    Will a 79 swingarm fit my 70 frame

    I started another thread and got no responses and I looked at the title and was not what I thought I wrote, so I made a new thread with different title hoping I can squeeze a knowledgeable reply, If someone can delete my earlier post Id appreciate it. Part of my goal of my build is to lower...
  4. M

    79 nswing arm on a 70, what model

    Will a 79 swing arm fit on my 70 frame? Part of my goal of my build is to lower the total bike. I was reading that a 1979 cb750 swing arm is 2 inches longer than sohc model and is direct fit for the earlier years but no models were given. I have a 1970k frame and would like to know which 1979...
  5. M

    Rear fork pivot bolt worn

    Any information would be appreciated, I took the swing arm off yesterday and found that I have play in my bolt through the swing arm. After cleaning it up and looking it over the place where it rides in the bushings I believe is worn on one side on both ends where it should be a tolerance fit...
  6. M

    No vin on my engine

    Got a good deal on a engine. So I want to look up the year of the motor, It is a SOHC. Cant find any vin stamped on the motor where I find them on the other cb750 motors we have in the shop. I know where to look as we have 3 other 750s there to look at. Could it be that it may be a case that...
  7. M

    info needed for 1970 triple trees

    I picked up a 1970 cb750 the other day its a real mess but the motor is not locked up but the rest needs a lot of work. The po put long fork tubes on it and chrome triple trees which the top tree is cracked on both tubes and chrome is shot on them. I will be lowering it back down to stock...
  8. M

    Can you use vr-115 regulator with 78 cb750

    I looked through all the pages for something about making a automotive regulator and radio shack full wave rectifier on cb750 year 1978. Reason Im asking is I am going to help someone with their wiring on a 78 cb750. I used a vr-115 regulator and electronic rectifiers on my xs650 and it does a...
  9. M

    wont rev above 4000rpm after work done

    Hello, posting this question for my son who is doing a cb750 k2 cafe racer. First let me say that he has just got his bike back from a honda dealer who re jetted the carbs and tuned the bike. It starts and runs fine but on the road it will not advance above about 4000 rpm. He had installed a new...
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