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Oil feed to clutch cb750k

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Pauarc:
Do you think it’s would be ok to run with cover off to see if oil comes out of the hole in centre of clutch after fitting gear shaft bearing and plug

Oddjob:
You tried to see if there is anything inside the gearbox shaft itself?

Pauarc:
I have had a bright spot light shining through from clutch side and it shines through onto a piece of paper and also a long pipe brush down the centre to other side and a air line as well

Oddjob:
I fail to see how oil isn't coming out of the shaft and onto the clutch plates, IF oil is at the bung, the transfer towers are free and clear and the shaft itself is free and clear why no oil ? Only answer I can think of is that the bung is blocking the gallery somehow. When the transfer tower part is removed and the bung is in place does oil come out of the hole where the bung is forcing it to go?

Another possibility, when you removed the transfer tower plate was there an oring around the hole where the oil would come out? if that was missing it's possible all the oil being pushed through would just leak into the gear area close by, especially if the plate isn't exactly flat, should be one of these fitted around that hole https://www.cmsnl.com/honda-cb750k2-four-england_model14363/o-ring-5x24_91301283000/

Might be my imagination but there does seem to be a very clear track leading to that gear area from the oil exit hole.

K2-K6:

--- Quote from: Pauarc on November 24, 2023, 01:47:17 PM ---Do you think it’s would be ok to run with cover off to see if oil comes out of the hole in centre of clutch after fitting gear shaft bearing and plug

--- End quote ---

With ONLY that clutch cover off, it should be ok to run it like that.

All left hand side bearing plate, cover and gasket to be installed fully though.

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