My bulkhead restoration saga

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  • o2batsea
    Overdrive
    • Oct 2006
    • 1199

    #16
    Take your MAPP torch and your air blow gun and heat up the vent pin hinges until the zinc melts. Quick quick quick put the blow gun to the pin hole and blast as much zinc out as you can. Ditto the captive nuts on the dash. I made the mistake of failing to check whether I had gotten all the zinc out and had to spend some quality time with a small rat tail file cleaning out those hinges after it was all painted. You can also use the torch to loosen the captive nuts. Run a 5/16th-20 tap thru them to clean up the threads. The captive nuts on the dash are 10-32.
    I used Awl Grip 545 epoxy primer on both the chassis and bulkhead. Chassis I painted satin black with Interlux Perfection and the shop painted the BH limestone.

    PS looks like you forgot to drill for the throttle cross shaft mounts, yes?

    Comment

    • Cevan
      Low Range
      • Jul 2011
      • 57

      #17
      Originally posted by o2batsea
      Take your MAPP torch and your air blow gun and heat up the vent pin hinges until the zinc melts. Quick quick quick put the blow gun to the pin hole and blast as much zinc out as you can. Ditto the captive nuts on the dash. I made the mistake of failing to check whether I had gotten all the zinc out and had to spend some quality time with a small rat tail file cleaning out those hinges after it was all painted. You can also use the torch to loosen the captive nuts. Run a 5/16th-20 tap thru them to clean up the threads. The captive nuts on the dash are 10-32.
      I used Awl Grip 545 epoxy primer on both the chassis and bulkhead. Chassis I painted satin black with Interlux Perfection and the shop painted the BH limestone.

      PS looks like you forgot to drill for the throttle cross shaft mounts, yes?
      Cross shaft mount holes are there.

      Not sure about paint yet. Probably a Dupont epoxy primer b/c I've used it before. I've got all the threads clean on the bulkhead but for the ones for the center gauge panel. I forgot to put bolts in there. Any idea what size these are?
      1976 Honda CB750F1
      1974 Honda CB360G
      1967 Series IIA

      Comment

      • o2batsea
        Overdrive
        • Oct 2006
        • 1199

        #18
        Originally posted by Cevan
        I've got all the threads clean on the bulkhead but for the ones for the center gauge panel. I forgot to put bolts in there. Any idea what size these are?
        See above:
        The captive nuts on the dash are 10-32.

        Comment

        • Cevan
          Low Range
          • Jul 2011
          • 57

          #19
          Originally posted by o2batsea
          See above:
          The captive nuts on the dash are 10-32.
          Ahh, yes. Thanks.

          I put new bump stops and GBR frame bushing in. Nice to install parts for a change, rather than disassemble, and clean clean clean.
          1976 Honda CB750F1
          1974 Honda CB360G
          1967 Series IIA

          Comment

          • o2batsea
            Overdrive
            • Oct 2006
            • 1199

            #20
            If you have a source for the pan head 10-32 slotted, I'm all ears.

            Comment

            • Cevan
              Low Range
              • Jul 2011
              • 57

              #21
              Originally posted by o2batsea
              If you have a source for the pan head 10-32 slotted, I'm all ears.
              I guess I will use whatever stainless 10-32 bolts I have, maybe allen head.
              1976 Honda CB750F1
              1974 Honda CB360G
              1967 Series IIA

              Comment

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