Honda-SOHC
SOHC.co.uk Forums => CB350/400 => Topic started by: 400 Cafe Racer on July 20, 2021, 08:22:04 PM
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Just in the process of inspection prior to rebuilding the engine.
The gears were a little baulky finding neutral on a couple of occasions, all gears and selectors are good, so I have had a close look at the shift mechanism. I have managed to replicate this while the casing is open and found that there was a slight "twist" misalignment of the left leg on the positive stopper, causing it to foul (evidence of rubbing) before engaging with the roller.
I think this showed up more because of the extra load of lifting the neutral roller on its cam as well as the drum roller on its cam.
After realigning the left leg it operates smoothly.
However - it seems a little odd that the ends of the rollers have a gap of 0.8mm before the dished end plate - ( see photo )
It would surely be better for the rollers to almost touch the end plate - this would allow more secure area for the Rositive stopper (item 8 on diagram) legs to push against - which at the moment could be partly where the gap is.
There does not appear to be any bending of the dished washer causing the gap. Maybe this is just normal tollerances as the positve stopper legs are only steel pressings. We can get paranoid about things that will operate normally, but are not to Rolls Royce standards.
[attach=1][attach=2]
Is this gap normal. ?
Thanks
Dennis
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That is correct, here was my engine at that stage and the gap is similar to yours.
[attachimg=1]
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Hi Julie,
Thanks very much for your confirmation on that point.
After the realigning of the positive stopper I mentioned it functions smoothly, so no further action.
I will look at that bearing overhang you mentioned on Teds post, when I split the casings to fit the main bearing shells.
I would like to PM you over the next couple of days for some parts please if thats OK.
Regards
Dennis
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Yes Dennis, of course, just PM me.