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Re: [ST] Cylinder pressure problem



On Friday 03 February 2006 20:39, Matt Knowles wrote:
>
> I'm not a mechanic, and I've never done a compression test, but since
> standard air pressure is around 14.7 lbs at sea level how do you get a
> reading of 10 lbs?

It's common practice to quote pressures as 'gauge pressures' in other words, 
pressure above atmospheric. So when your tyre gauge shows zero there isn't a 
vacuum in there :)

Eoin

'04 ST 955i
'90 GPz900R
ex '93 Trophy3


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