Originally Posted by pf317
I was wanting to know what the leak down test lets yuo know.Does it let you know if the rings are not sealed.If only one ring was bad,would it tell you that?Thanks
I would think it tells you about the general condition of the cylinders and pistons. That said, a leaky valve could ruin a leakdown test.
You'd probably get more answers in the Twiin Cam area.