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  1. #1
    jefski520's Avatar
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    Hot Exhaust coupler on 05' RXP - is that normal??

    Hello all, I just helped a friend put his 2005 Seadoo RXP all back together after an engine overhaul. He sank it and let the water stay in the engine too long = lots of rust. Anyways, I just got it running for him and when I took it for a test ride the exhaust coupler between the manifold and the exhaust pipe is getting very hot. When water drops on it, it boils. Now the section of the pipe where it has the water jacket is warm (as I would expect from water jacket cooling). Is this normal?

    Also the VTS system will not work. Is there any common problems on this RXP I should check?


  2. #2
    boost junkie skidoochris's Avatar
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    why did it sink could a hose be off/broken
    the vts motors are wimpy and if they get wet they usually quit working

  3. #3
    AtoMIC_OraNGE greenbullet's Avatar
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    Make sure the coupler is sitting flush with the 2 tabs on the j pipe and not blocking those water jackets on the j pipe.

  4. #4
    Boost addict hotbird's Avatar
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    between the exhaust manifold and the j pipe is not water jacketed and can get pretty hot.

    dose the vts indicator on the dash work?

  5. #5
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    Yea, it gets hot. That is the only area that is not jacketed...There is a flex joint that is covered by braided stainless steel, and the SHIELD that you are probably boiling the water droplets off.....No biggie, its suppose to be that way on a Jpipe setup...

  6. #6
    jefski520's Avatar
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    Why did it sink? unsure, but I can tell you it was his grandson and I think he left the drain plugs out and it sunk.

    The rebuild was everything, it needed to be bored with new pistons, new cam, new rocker arms, etc...etc... everything was rusty in the engine.

    @ Greenbullet you said "Make sure the coupler is sitting flush with the 2 tabs on the j pipe and not blocking those water jackets on the j pipe." The "J" pipe (water jacketed pipe from the manifold to the water box has 2 hoses attached to them and they are not pinched or anything. The J pipe is up to the manifold with high temp silicone to assist sealing where the clamp holds them together. What else might you be referring too?

  7. #7
    Moderator Snoman's Avatar
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    On your VTS....Can you see the indicator on the dash???IF no then it has to be reset by the BUDS sytem or a Candoo sytem..IF it is on then first check the fuse..it should be a 7.5 amp fuse...if the fuse is ok then your motor is more then likely bad...

  8. #8
    jefski520's Avatar
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    Danny,

    Thanks, that is exactly what I am looking for.

  9. #9
    jefski520's Avatar
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    The VTS indicator on the dash is not lit up and not working. How do I reset it with the BUDDS system you talk about?

  10. #10
    boost junkie skidoochris's Avatar
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    dealer has buds
    candoo is a home use system that can do a lot of stuff buds does

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