Jet Ski won't accelerate when first starting out.?

Question

Hi all, I am having trouble with a jet ski. I know nothing about them as I am trying to help a friend.

The Jet Ski will not accelerate until it hits a certain speed and the angle of the Jet Ski is in a way that allows it to speed through the water. Does anyone know what is going on?

Thanks.

Answer 1

You are cavitating.  More than likely you sucked a rock or sand into the intake and messed up the impeller.  Look through the intake, and see if there are any dings or nicks on the impeller.  If so, impros is a great place to get an impeller.