It’s a Jetski always plan on getting wet. You can suck up weeds all day as long as you don’t block the intake grate (the ski will overheat) 3. level 2. Op · 4 yr. ago 1991 SeaDoo SP. I would have but I wasn’t out to spend all day jetskiing, I was just checking to see if I had fixed it right. I was wearing normal shorts not swim trucks. 1. Re: Wave Runner and Debris **Newbie Question**. basicly but it was cavitation because there was to much air and not enough water being pushed cavitation is when u suck air through the pump from turning or wiping your ski and sometime if your pump is bad you'll notice cavitation when your trying to speed up very quick.