http://www.bike-gizmos.com/DucatiSTFAQ.html - helpful link to know
Compression ratio
1 : 10.2 ± 0.5
I've only got the ST4 manual which would be totally wrong for oil pressure obvisously
just for the hell of it idle/low rev 1-2.4 bars, high rev 4-6 bars; must not exceed 6
[Edited on 18-7-2005 by moozaad]