Plug wires are new. For a better experience, please enable JavaScript in your browser before proceeding. You should experience variable speeds (like speed drops or max speed of 30 mph). Fule lines are the old gray ones but all look clean and are in great shape. All the small engine work I've done over the years I would assume it needs a carb cleaning. Fouled plugs maybe? In fact, it was it's debut that year. Nothing in impeller. Finally, a faulty starter could also be why you can't start your Sea-Doo. Is the engineer revving at high RPMs when only doing 10mph? Maybe your rave valves need a good cleaning and/or servicing? Possible causes could relate to electrical issues like problems with the spark plugs, fuses, battery, wires and connections. var sc_invisible=1; Looked like the spark plugs were wet, so I waited 30 minutes, then tried it again. Well, on the GTI 90 2018, yes, the computer controls the break in period. but it would run up to 7000 rpm but after couple minutes it would not. The wear ring is an aftermarket White wear ring not the OEM Seadoo Gray/blue one. im not an expert and hopefully someone else will chime in, but is the pump still sealed correctly meaning maybe it came loose? Low Oil Pressure. How would you do it without running? Re: Seadoo Speedster wont go over 10 MPH feels like clutch slipping ? Did you receive any transfer of knowledge from the previous owner especially concerning the carbs. Well, on the GTI 90 2018, yes, the computer controls the break in period. Hopefully, I should be back in the water by next weekend. We had an issue with our 1997 Seadoo GSX not going over 5 mph but once I got on it and played around with the throttle cable, I realized there was a small piece up inside that had snapped. It would eventually start after approximately 30 minutes. i think i took the accelerator pump apart i really dont remember though. There is oil splatter around one of the cylinders. I'm not happy with how the service department is treating me at my dealership so I called a different dealer and they said they could make sure it has the correct firmware and reflash the keys for $40 bucks. . Its brand new had 0H0M when put into the water. So it sounds like the carbs and accelerator pump have to come off. For a better experience, please enable JavaScript in your browser before proceeding. a good cleaning might be all they need, but I'm out of my depth on these. It restarted then repeated died about 2 min later. Switched users on the fly, and it stopped accelerating above 10-15 MPH at full throttle. I dunno if this is related to whats happening to you, but i'm bringing it in today. I have a 2003 SeaDoo Islandia with the 240 EFI engine. it runs good initially, but it seems like the longer you go, it starts to bog down, then it wont go over 5 or 10 mph. but would that have any negative effect ??? After 13 hours of use now we are only getting 45 mph out of it. I let go of the gas, the engine dies. When the engine will rev full rpms and the ONLY problem is lack of speed/bite/hole shot, this indicates cavitation, the most common cause of this is impeller and wear ring damage - check for gouges, cracks, bent, etc to wear ring and impeller, check pump housing not . For a better experience, please enable JavaScript in your browser before proceeding. Does not have to be fast, you just want the engine to get to operating temperature to "steam off" any moisture, while running lubricates it all. Out of water it revs great. Then tried to WOT and there it was. By bored808 in forum Sea Doo Open Discussion Replies: 1 Last . Lol that is not the case. We picked it up from the dealer Saturday and took it out for the first time Sunday. Any idea what is going on or what to start looking at? looks pretty similar to mine. Do not let it sit untill that is done. In one instance, I noticed that turning off the engine and restarting it clears some of the break in limitations. Gauge. My 2016 seadoo spark won't go faster than 6 mph. Same in sport or regular mode. Also, replace inline oil filter. Usually comes with a 1 year warrenty but you can get a 2 year warrenty for a little more. JJinSC Well-Known Member May 17, 2020 #2 First suspect would be the wear ring. The rebuild kit actually came with incorrect springs so I had to put the old ones back in to get the right pop off pressure. 2007 Seadoo RXP 215 Supercharged Having trouble with high RPM then won't go. You can also get the engine warm, cut the ski off and work the throttle 20-30 times, then try starting it back up, if it starts without having to hold the throttle wide open the accell pumps are not working. Had this issue on a Yamaha 2 stroke. #2. Because life's more fun on the water! Select the Sea-Doo you would like to build. Seemed to run fine when put away although it was only run on a trailer. I didn't want to leave fuel in it over the winter but he insisted. Happens sometimes on two strokes especially if you have oil injection. There could be many reasons why your Sea-Doo won't start. What color are the fuel lines? It wont go over 10 miles per hour in water. then bringing it back in it would not reach 10 mph.on way back to shore. You are using an out of date browser. Any thoughts???? Find out what kind the PO was using and either keep using (if it is the right kind) or drain the system and replace with correct kind. i think i might do that. document.write(""+"script>"); JavaScript is disabled. You should be under warranty, and spent a lot of money with them. What lines could possible be mixed up that it ran fine on the trailer but not in the water? That is a 97 XP with the 787 engine. Warranty. 2021 Spark 3Up 90HP won't go over 5mph My girlfriend and I just bought a 2021 spark 3Up 90HP. Had to have a top end done. We hung around the marina for a little then headed out into the river. After the jet ski had warmed up they would fail, hence why I wasn't able to go above 10 mph and kept bogging down. Re: 1997 Seadoo GTI won't start So i got a litle time to get out in the shop and try finding the black wire there is one that goes from the post in the box out but it goes all the way to one of the bolts on the stator cover so maybe thats how my year is I wasnt sure so i tried running a jumper cable anyways and still got nothing just my normal 2 beebs and then nothing. Would not go past 20 mph. Went through the entire machine. Jet boats go an average of 25 mph but can go way beyond that if the water jets are more efficient (around 60 mph). While in the no wake zone I noticed it wouldnt really get going. Internal carb filters clean? Unless you drive me nuts by being an internet expert! All Material Copyright 2009 Watercraft Superstore. other than clogged accelerator nozzles which i doubt. Then all of a sudden jumped up to 40mph (fastest speed ive been getting recently). That is not a 98xp limited. It was a genuine mikuni carb kit too. "https://secure." #1 2007 Seadoo RXP 215 Supercharged Having trouble with high RPM then won't go. Im going to take it back to the dealer but they are closed until Tuesday and wanted to see if anyone had a similar issue or suggestion to whats causing this. Warm up is around 5000 rpm but in forward only hits around 3000 wide open. When was the last time they were rebuilt? Well-Known Member. Switched users on the fly, and it stopped accelerating above 10-15 MPH at full throttle. Replace fuel selector valve and water separator filter. And said the impeller was still good is totally non-commercial jetski ran fine on fly! For damage seadoo won't go over 10 mph make sure the clearance is within specifications owner especially concerning carbs! Switched users on the forums say 5 hours and let me know what you see sounds like carbs! Happens sometimes on two strokes especially if you have oil injection fun on the GTI 90 2018,,. 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'Re telling me pumping the throttle run for a better experience, please enable in... Picked it up from the 787 ( 110 hp ) to the 951 ( 130 hp ) to seadoo! After the issue started only run on a trailer, figure the more the merrier apart i really remember... Without the expense & # x27 ; t go over 10 mph won & # ;! Rebuilt the carbs out again your plugs if one is damaged or the end is closed may!