SOHC.co.uk Forums > CB750

How to get Oil pressure

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yozzer74:
No I didn't fill it I was thinking it had air trapped .but it's pulled through now got pressure thanks everyone .

martin_uk:
On my last 3 CB750 rebuilds I had to pressurise the oil tank using a modified tubeless tyre valve in breather pipe before I could get pressure before starting.

The last one I tried vaseline and primed all pumps submerged in oil !

It always feels better if you can see the light go out before actually starting :)

bytio:
You need to submerge the oil pump in oil and turn it until resistance is felt and air bibles stop coming out. Fit pump fill oil tank and turn engine over with starter button, oil pressure light will go out in about 30 seconds


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