300/440/550 1985 kawasaki 550 js

[newbie3]

Help quick I am buying a stand up jetski tonight but I need to know wat a good compression level is for the cylinders!!

 

[Lumpy]

130+
also make sure both cylinders are pretty close to being the same

 

[Yami-Rider]

On the old 550's alot of them only came with 120-130psi from factory.