high rev

Hello. I just purchased a 2004 Sea Doo GTX supercharged with 210 hours on it and only 10 hours on the rebuilt supercharger. However it seems to have 2 problems: 1) When driving it seems to be bogged down and rev very high RPMS until it reaches about 20 mph. Once it hits that it runs...

Just bought a 96 GTX. The previous owner said it was bogging down on the water so he replaced the gas lines. I picked it up just after the gas line replacement and now when started the engine revs very high and have to pull lanyard to stop. Carbs were removed to replace lines but nothing was...