Hi I just bought a ventage kz1000.What kind of compression #'s will be livable??

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First off, I freakin' love your bike! that thing looks absolutely mint.

Good compression should be anywhere between 120-150 psi. you may be looking at problems if you're under 100 psi.

Take care of that bike, and Welcome to the forums!

 

Well I have 105-107-105-105 from right to left.So you think I need to bore & valve job it hu??

 

Your compression is really nice and even all the way across. So as long as you have good power and don't use a bunch of oil, leave it alone.