Compression test 2003 gtx supercharged

[csull743]

I'm getting ready to do a compression test on my 03 gtx supercharged. What compressions should it be at? Thank you

 

[red2blue]

135-145 good
125-135 decent

 

[Coastiejoe]

A question for my own education.

Generically speaking, most Seadoo engines are considered near perfect at 150 PSI.

SC engines are refereed to as lower compression engines. What should their compression be at?

 

[csull743]

Fired at around 148. Thank you.

 

[IDoSeaDoo]

Good to know, I'm about to do the same test today (if that damn adapter ever comes in )