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CB400 Bolt Pitch

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TrickyMicky:
Hiya, with regard to 'which bolt in which hole', when I removed the cam-cover from my 400 many years ago, (1991!), not being an engineer I did not have the faintest idea how to identify bolt thread pitches etc.. (still haven't). So I obtained a nice piece of flat cardboard and used a marker pen to draw a full size outline of the cover, then as each bolt was removed, it was pushed through the cardboard in its respective location, then carefully stored. When the rebuild commenced 13 years later, (you can't rush these jobs), my simplistic brain was not overtaxed when it came to replacing the bolts into their correct locations. Maybe if you are deft of hand this system could be advanced to other fixings. Remember, K.I.S.S. Regards, Mick.

mattsz:

--- Quote from: TrickyMicky on March 14, 2019, 10:25:53 AM ---Hiya, with regard to 'which bolt in which hole', when I removed the cam-cover from my 400 many years ago, (1991!), not being an engineer I did not have the faintest idea how to identify bolt thread pitches etc.. (still haven't). So I obtained a nice piece of flat cardboard and used a marker pen to draw a full size outline of the cover, then as each bolt was removed, it was pushed through the cardboard in its respective location, then carefully stored.
--- End quote ---

I've done that with engine work on other bikes, works a treat!  Difficult to replate them stuck in the cardboard, though...  ;)

billywingnut:
I would like stainless bolts for the front brake caliper as it catches the weather and debris but the the pitch is non-standard.

ka-ja:
I think these are the ones I used on my cafe racer
 https://www.ebay.co.uk/itm/M10-x-1-25mm-FINE-PITCH-A2-STAINLESS-STEEL-ALLEN-BOLT-SOCKET-CAP-SCREW-HEX-HEAD/231296683520?hash=item35da5b4e00:m:msfPgqjRcb8g1yvBmjFrAUw
 Hex head and washered heads also available on Ebay

Moorey:
Not only that when you get up to 10mm there are 3 different pitches for fine.  1.25, 1,  0.75. not that you see the later often.

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