SOHC.co.uk Forums > CB750

How to get Oil pressure

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yozzer74:
Hi how do you get oil pressure before starting bike for first time after rebuild..

SteveD CB500K0:
Just kick it over with the kill switch engaged until the oil light goes out.

Steve

K2-K6:
I take plugs out to reduce loading on big ends and main bearings, make sure oil tank is filled to upper mark on dipstick, get some oil in through inlet valve tappet covers (doesn't really matter how much as long as it comes from the total fill quantity and any surplus drops to the sump to stop the scavenge side of the oil pump being dry) , then spin it over to get the light to go out.

Make sure you watch the dipstick level to avoid the tank level dropping too far as you're cranking it.

Spitfire:
It took me forever to get the oil pressure up on mine I was convinced that the oil pump had a problem, I'd never had a problem before, just filled the tank up with oil, took the plugs out and turned it over until the oil light went out.
For my F1 rebuilt I was a bit more careful and I put one litre of oil in the tank and one litre into the rocker box, then watched inside the rocker cover to make sure that oil was getting to the cam, this happened after the oil light went out so beware.

Cheers

Dennis

Trigger:
When you did the rebuild, did you fill the oil pump with Vaseline? It is a bit like bleeding a rad at home, loads of air to get rid of first.

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