SOHC.co.uk Forums > CB350/400

Oil warning light

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Oddjob:
If the filter wasn't genuine Honda I'd check that it hasn't collapsed, had a pattern filter do that, the filter looked like it had spiraled, like it had been wrung out. The mesh on the strainer in the sump was almost completely covered in fine paper fibres, at high revs the oil pump couldn't get enough oil through to meet demand and that's why the oil light came on, at low speeds it just about managed.

exvalvesetdabbler:
I'm just curious, did you get to the bottom of this problem?


I had a scary moment long time ago when I split the crankcases to replace the primary drive chain and cam chain.  One of the blind seals on the gearbox shaft got put in back to front and blew out enough fit it to slowly dump all the oil, most of it on the back tire.  Had to push it over a mile home that day when the oil light came on.

Regards
Dave.

Athame57:

--- Quote from: exvalvesetdabbler on May 19, 2025, 10:33:55 PM ---I'm just curious, did you get to the bottom of this problem?

--- End quote ---
It never happened again, I can't fid anything that may have caused it. Perhaps the acceleration it happened under caused enough weight transfer to effect pressure a moment and cause a flicker? :-\

Laverda Dave:

--- Quote from: Athame57 on May 20, 2025, 06:10:36 AM ---
--- Quote from: exvalvesetdabbler on May 19, 2025, 10:33:55 PM ---I'm just curious, did you get to the bottom of this problem?

--- End quote ---
It never happened again, I can't fid anything that may have caused it. Perhaps the acceleration it happened under caused enough weight transfer to effect pressure a moment and cause a flicker? :-\

--- End quote ---

And I thought it was only the yellow ones that had that kind of arm wrenching acceleration George 🙂.
Just thinking, when you check the oil level do you check it with the dipstick out and resting on top of the threads. If not you'll get a false reading thinking it's full when actually it isn't.

Athame57:
Hi Dave
Yes, that's how I measure it. Next time we meet at the Ace Cafe we must have a drag race on the North Circular there. ( no high heels allowed!  ;D )

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