2 stroke

  1. Collinfox01

    01 seadoo gtx di speedometer not working

    So my speedometer won’t work. I know they aren’t that accurate but it bothers me that it doesn’t work. I have checked all the plugs and wires. I bought a new speed sensor and checked the voltage and it is in spec with the owners manual then plugged it back in. Then I pulled the panel off from...
  2. Collinfox01

    Speedometer calibration

    So I bought my 01 Gtx from my uncle. It hadn’t been run for 2 years but he always takes care of his things and it was garage kept. I had to put a need battery in it and to do that I had to unplug the speed sensor. Ever since I did that the speedometer won’t work. My uncle said it worked the last...
  3. C

    Sea doo rx compression

    Hey everyone is 120 psi in each cylinder normal for this ski ? It’s a 2001 sea doo rx it seems to run just fine in the water hitting 59-60mph and rpms are at 7100 could my compression tester be bad ? Thanks for any advice !
  4. C

    Jet pump oil issue

    Hey everyone I needed to change a wear ring in my 2001 sea doo rx so I thought I might as well change the pump oil too When I took the nose cone off barely any oil came out and it was all black and watery and smelled horrible like old exhaust anyone know what would cause this ? A bad O ring on...
  5. C

    Impeller catching when turning inside of jet pump

    Hey everyone i just wen through my first wear ring and am taking on the project of fixing it myself as I’m trying to learn how to do my own maintenance on my ski The ski is a 2001 rx After taking off the jet pump from the reverse gate and the vts and inspecting the wear ring it’s visibly...
  6. Collinfox01

    Speedometer is spotty

    So yesterday I took out my 01 seadoo gtx. That was the first time it’s been out in two years. It ran great but sometimes the speedometer would work and sometimes it wouldn’t. I know on the speed sensor the wheel would spin. It seemed like every time the sensor was at the top of the water...
  7. Collinfox01

    Running on hose

    So I am new to jet skis. I just bought an 01 Sea-doo GTX from my uncle. It’s a 2 Stroke and it has 180 hours on it. I never plan to run it in salt water but if I were to run it in brackish water and wanted to flush it out with the hose, how long could I let it run? I have started it one time on...
  8. S

    2002 sea doo utopia 205

    hey first time boat owner here, I bought a 2002 sea doo utopia with the mercury 205 optimax the old owner told us that every ting was good but it was not, the boat starts and runs fine but the rpms are limited to around 3800 and the boat dose not go over 10 mph some times the boat runs good for...
  9. D

    657x MPEM Compatibility

    Hello, I purchased a 94 XP last year and starting work on it as of recently. Was told by the guy I purchased from that he heard a pop from the MPEM and I have not been able to find a 278-000-071 to replace it. I did some research and found that the 95 GTX has the same engine and I believe that a...
  10. G

    1999 GSX Limited

    I just purchased a '99 GSX LTD and was wondering what are the key components that anyone that has had one would replace being a 24 year old machine. I know about changing the fuel lines and spark plugs and wires of course, and the carbon seal, starter, starter relay , rectifier, etc as i have...
  11. A

    2 stroke

    Hello everyone I am new here I recently Bought a ski it’s a 1999 Seadoo gtx bomarider and guy was a mechanic he owned a shop that fixes them and told me everything worked good took his word took the ski out right when I got it ran good 2 time taking it out foul spark plug was like this is not...
  12. N

    Oil coming out of exhaust

    I've got a 1995 Seadoo XP and I've just noticed a fair bit of black oil coming out of the exhaust. I had it running with the hose attached on the trailer Seems strange because it's a premix 2 stroke... i.e. you premix the oil and fuel and then pour it into the fuel tank, so I don't understand...
  13. T

    95 SeaDoo Xp700

    I recently bought a 95 SeaDoo Xp700 & 97 Yamaha Waveraider 1100. We used them for a week on vacation & had minor starting issues. I changed the plugs on both, which helped. But I’d really like to get some needed Maintenance done on these because they do seem to be in good shape for 25 year old...
  14. S

    1996 seadoo gti bogging

    Hey everyone I picked up a 1996 seadoo gti, I rebuilt the jet pump, changed plugs, battery, all of the regular maintenance so that I knew when it was done. The ski was running great until about a week ago I was on the water and it was loosing power. I figured the only thing left I didn’t do was...
  15. Aaron787gsx

    94 sea doo do 657x not getting fuel

    Hey everyone I just picked up a sea doo 1994 do with the 657x engine in it. Bought it from a guy that said it was sitting for about 2 years and was garage kept and had it winterized. Compression is good engine turns over great pulled the carb off (twin carb) installed new gaskets jets were clean...
  16. Matt_martians

    oil issue

    Hello fellow water bike owners, I recently came into an issue(s) on my 1995 sea doo spx with the 657x engine. I acquired this ski in no-start condition. I did a full fuel system rebuild(carb rebuild, fuel line replacement, fuel baffle replacement) since it had a fuel issue, and it started and I...
  17. mk7captain

    HELP! Seadoo utopia 205 stalling/Lunging/Cutting Out issue

    Hi everyone, It is my first time using a forum because I never really knew how useful this can be. I notice this forum has multiple really good details and user that can maybe help fix my issue with my 2004 Seadoo utopia 205 V6 optimax 250hp 3L engine. My boat starts just fine without...
  18. S

    GTX ltd exhaust clamp coming loose

    Hi all. I have a seadoo gtx ltd on a 98. I had the carbs rebuilt by a “reputable” source. When I took it out on the sea it was ok for a bit but all of a sudden the exhaust fell apart from the rubber clamp to the muffler. I noticed that the big clamp holding the exhaust together in the middle...
  19. M

    Seadoo HX

    Hello guys, I just signed up to this forum. I had a question, I have a seadoo HX from 1996 a bought is last summer and it had some issues so I trying to fix her now, when I way troubleshooting o saw a button on the steering wheel what I hadn't noticed before, can anybody explain the propose of...
  20. Andygtx2000

    2000 gtx millennium edition port problems

    So, I bought a 2000 sea doo gtx on Friday and it’s now Monday and I’ve already broke it. Let me explain, I took it out for a ride, was having fun until all of a sudden I stood up and the key came out of the port causing the ski to cut off. Now here comes the problem, when I went to put the key...
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