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Seadoo GTX Limited RPM Drop

Redfishinsc

New Member
Bought a 1999 GTX limited. Ran good for 20 min first time out and was up around 6800+ rpm but bouncing between 6200-6800 then got to where it would only get to 5400 rpm. I have rebuilt carbs with mikuni kit, pop off set to 20 psi, all black fuel lines, cleaned rave valves and no sticking, pulled and checked water pressure regulator, adjusted both regulator and raves with neither resolving issue still sluggish up to 5400 and smoking a lot. I pulled the 15amp fuse and it ran great on the trailer, once in the water we only get to 4500rpm.

The only issue I have found is one cylinder is at 125 psi and other 145 but couldn’t see that being the issue. It was like that the first time I rode it as well. No scaring or piston damage was found. Is there a way to check solenoid for raves? Any ideas on what would be a cause?
 
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