95 Sea Doo XP need Help!!!

[ellavo42]

my xp ran at top end for about 15 min. then seemed to loose power, like running on one cylinder. run at idle for a few Min's. then will tack up to about 6000 then stumble back to idle. can slowly ease on the gas to about 4000 rpm and Cruz for about 5 min. Then it wants to stumble like running one one cylinder, till you let off the gas . Runs grate at idle, not running hot , has new plugs , pulled plugs, looked good . Cant figure out why the thing would run good at max with no misfire , now wont tack up and stay up. Need help please!

 

[Moto-Madness]

Do you still have the gray fuel lines?

Have you checked the internal filters in the carbs and the fuel filter?