What should my compression be?

[banshee21]

I got pro design coolhead with 21cc dome, bored .04 over, aint sure if they are high comp. pistons or not, i know they are wiseco. elevation is about 1200, and what is the proper way of checking compression on these, I got a tester, screw it in one cylinder at a time, how many kicks and do you hold thottle wide open?

[J-Madd]

HOld throttle open. Kick until the needle quits moving.