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New (to me!) '77 CB400F - US model

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mattsz:
Another little aside: I looked at the drive chain tension - on the center stand, I checked the vertical movement of the lower run of chain, midway between the two sprockets.  The book says 3/4 of an inch.  I wonder if the PO misread it, as the chain currently has 3 inches of movement.  "3/4" and "3" look almost the same, right?

taysidedragon:

--- Quote from: mattsz on October 25, 2018, 10:26:18 PM ---Another little aside: I looked at the drive chain tension - on the center stand, I checked the vertical movement of the lower run of chain, midway between the two sprockets.  The book says 3/4 of an inch.  I wonder if the PO misread it, as the chain currently has 3 inches of movement.  "3/4" and "3" look almost the same, right?

--- End quote ---
New chain and sprockets? The list of new parts required starts to grow! 😈

mattsz:

--- Quote from: taysidedragon on October 26, 2018, 12:27:53 AM ---New chain and sprockets? The list of new parts required starts to grow! 😈

--- End quote ---

Yup!

I read that the tachometer cable set screw is the same as the speedo one - they were right, both screws are equally "chowdered" on my bike...  >:(

I really am going to put it away for the winter, though.  I've got the tank off; I'll pull the carbs and front brake parts, but otherwise it'll have a further rest...

mattsz:
A few other odds and ends...


--- Quote from: TrickyMicky on October 25, 2018, 01:24:09 PM ---Not too sure about your driver's footrest position, and it's definitely got the wrong gear lever, it should have two rose joints and a Johnson Rod for adjustment. ... might be worth checking on the rear brake pedal as well, it should have a guard fitted to it to stop your foot rubbing on the clutch cover.
--- End quote ---

I think the US models are different - here's a couple pics from the OEM owners manual:

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Float bowl drain screw, yes?

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I tried to open #'s 1 and 4, stuck tight.  I gave up before breaking anything, are there any tricks?

mattsz:
A few years ago, the silencer crack seemed minor, now it's broken all the way 'round, and appears to show sooty signs of leaking on the bottom:

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Might this be repairable - welded, perhaps?  I know it would be ugly, but function is what counts at this point...

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