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Author Topic: 1985 Nighthawk cb700sc mild resto.  (Read 6627 times)

Offline wahvtec

  • Posts: 294
Re: 1985 Nighthawk cb700sc mild resto.
« Reply #30 on: Jan 17, 2016, 14:12:52 »
Thanks for all the info guys.  I know I'm surpassing my budget, but after some reading and thought I'm going to learn as much as I can from this project even if it adds a lot to the timeline.  I believe there is an old radiator repair shop in the area, I'll give them a call.  A newer nighthawk 750 oil cooler also fits and bypasses the frame tubes.  They are cheap with hoses so that's a backup.  I think for now I'm going to work on getting a decent mic since a lot of measurement is in my future.  I work with scientist with little to no mechanical understanding and they ruined the caliper it appears  >:(.  I do plan to polish, and remove the material and remeasure with a better tool.  Good tip on the muratic acid, I read that a few times elsewhere but it just made me a little nervous of rusting surrounding steel.  It is hydraulic tappets and I purchased the bleeder tool early on thinking that was the problem.  The manual says to inspect and bleed whenever the cams are removed, so that'll be done once the head gets pulled.  Today I'm going to take a breather and go do some target shooting  :D
« Last Edit: Jan 17, 2016, 14:15:10 by wahvtec »
1969 CB350 (barn bike) (sold)
1981 KZ440LTD (for sale)
1982 xl185.

Offline cxman

  • DTT SUPPORTER
  • *
  • Posts: 2683
Re: 1985 Nighthawk cb700sc mild resto.
« Reply #31 on: Jan 17, 2016, 14:18:14 »
a caliper is to crude you need a micrometer and a inside mic

or just take them to a local machine shop they will measure them and tell you
1978 CX650 Super Deluxe
1979 XS1100 Special
1974 xl350
1983 cx650 Custom
1973 cb750
1980 cb750
1981 cb650
1982 cb900 c
1974 kawasaki 350 bighorn
1983 GL1100 aspy full dress
1983 GL1100 Nekid
and a bunch of others

Offline wahvtec

  • Posts: 294
Re: 1985 Nighthawk cb700sc mild resto.
« Reply #32 on: Jan 17, 2016, 14:43:10 »
a caliper is to crude you need a micrometer and a inside mic

or just take them to a local machine shop they will measure them and tell you

Yeah they are tools i would like to have, im ditching the caliper and looking for mics that fits the bill at a reasonable price.  This isnt the first time i've needed them.  Thayll be my next purchase this week hopefully

Machine shops are pretty sparse lol im in a remote town in georgia that originated the song statesboro blues haha
1969 CB350 (barn bike) (sold)
1981 KZ440LTD (for sale)
1982 xl185.

Offline wahvtec

  • Posts: 294
Re: 1985 Nighthawk cb700sc mild resto.
« Reply #33 on: Mar 18, 2016, 22:55:23 »
Well just an update.  I've been putting a lot of time toward working/applying for my next job, and interviewing.  Finally found some time to tinker.  Main reason for the update is to state that the project isn't dead.  Since the crank has to come out I'm pulling the cams tonight.  Hoping the results of oil starvation didn't hurt the top end.  What do you guys think of the wear on the cam/bearing?  Thanks in advance.
« Last Edit: Mar 19, 2016, 11:30:36 by wahvtec »
1969 CB350 (barn bike) (sold)
1981 KZ440LTD (for sale)
1982 xl185.

Offline DohcBikes

  • Posts: 2376
  • Fuck You.
Re: 1985 Nighthawk cb700sc mild resto.
« Reply #34 on: Mar 19, 2016, 05:51:30 »
need more detail
burning bridges sometimes light the most productive paths

Offline wahvtec

  • Posts: 294
Re: 1985 Nighthawk cb700sc mild resto.
« Reply #35 on: Mar 19, 2016, 11:32:02 »
Updated to more soberly taken pictures.  Just showing the worst of the bearing surfaces which is the end bearings.  All of the end bearings were similar, other surfaces untouched.
1969 CB350 (barn bike) (sold)
1981 KZ440LTD (for sale)
1982 xl185.