WSM pistons and rings

[impalaman]

It appears obvious to you pros but this is my first rebiuld on a seadoo all is great with the motor thanks to you guys.
No more buttering you up.....
The WSM pistons come with a ring set,but one ring is very different than the other.Has like a lip on one.
So????But which is the top ring??

Thanks,

Greg.

 

[JoeZ]

Moving this to Sea Doo PWC General Forum.