SOHC.co.uk Forums > CB350/400

Hello, I have a 400 at last

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Lobo:
Hi Johndoc,

Great to have another 400F on the mend...

Sorry, rather late in the day, but I ordered those DSS coils & don't remember too much of an issue at all... did you check the boxes for additional mounting hardware... I'm sure I remember some.

The rattle at idle... does indeed seem to be a 400F thing, and a certain amount seems generally accepted as 'normal'. There are a few areas though to look at; I should bloody know having had my engine professionally rebuilt... and returned with said rattle. Grrrr....

Carb balancing the first stop, as you say.
Cam chain... worn or out of adjustment. (Mine was renewed... still rattled)
Primary drive chain worn / stretched (mine was checked against a new one & returned as ok)
Primary drive rubber dampers (cushs) - 8 of 'em, part #23114-323-000 (not replaced on my bike - regret! But I do now have new ones just waiting for the next strip down!)
Clutch.... my main culprit. Renewed springs, plates... better, replaced cushs (meant to be a non-serviceable item in this respect)..... far, far better. In my case, this was the culprit.

So, good luck, a lot to check, but do consider all of the above.

..... & if you've got the patience of Jobe read this thread..

http://www.sohc.co.uk/index.php/topic,4353.msg18997.html#msg18997

Simon.

Johndoc:
Lobo, yes laying the bike down did cross my mind, that's how I will do it! Mike, great tips on what to look for on rough idle, will be doing the carbs in the next day or so, just hoping that does it. To be honest I am not that bothered if it needs more work, the bike is good enough to warrant that, if it runs well just now I will run it and may strip it in the winter to check things thoroughly. There was nothing I noticed to fit the coils but it was easy enough to make a couple of brackets. Thanks again

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