SOHC.co.uk Forums > CB750
First Gear Crunch
bucksfizz:
Engaging first gear on my 1973 CB 750 K3 always crunches.
Unless this is a known problem, which I doubt, then I'd like to have a look at the clutch plates for potential contamination.
I've bought a castellated nut removal tool to effect clutch removal.
Question is: does oil seep out when removing the clutch?
Any other "gotchas" when working on the clutch?
(I've read the manual and tried a search, but to no avail.)
Arch stanton:
They all do that sir.
Nurse Julie:
Normal....dry clutch system. Plates may have stuck together or gone hard. Even if you strip clutch and inspect / overhaul, there will still be a noticeable crunch.
bucksfizz:
Thanks for the replies - I still have a lot to learn about these machines.
I thought the clutch was a wet system...
From my other machines, I would've said that it was clutch drag, especially as the other gears are not particularly quiet in engagement.
I'll live with it for now if it's a peculiarity of the clutch system, and take a peek over winter.
Nurse Julie:
Well it's a wet clutch system in as much as oil is sprayed in the clutch but not a wet clutch system as in other SOHC/4's.
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