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Thread: GP1200R Exhaust

  1. #1

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    GP1200R Exhaust

    Riva Stinger 3 -or- Pro Tec Turbo Tube? Which is best?


  2. #2
    Stock pipe with D plate and jetworks.

  3. #3
    just GOT TO DO IT! great lakes gpr 1200's Avatar
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    Ya I sold my pro-tec tube. it was nice I could get to the carbs, but I went back to stock pipe, D plate and jet works mod.

  4. #4
    Crash Test Dummy Smitty's Avatar
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    D plate probably... I've got the Stinger3, but I figure my whale of a boat can use the bottom end punch, and I like being able to pop the seat and fiddle with the screws. There was a school of thought that you could recover your top end with the S3 with some back pressure, and I might explore it. Jim's wifes XLL is pushing 71 with about the same setup as mine, D plate instead of a Stinger, and his ride plate; after I break my new motor in and put on his ride plate, I'll see how close to that I get and maybe explore back pressure options.

  5. #5
    ABBOTT's Avatar
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    Stock pipe with a D-plate

  6. #6

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    What is Jetworks?

  7. #7
    Hydrotoys's Avatar
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    croskel
    Welcome to the site.


    Check out the search function at the top.
    http://www.greenhulk.net/yamaha/search.php

    Type in jetworks, and search. Lots of great info.

  8. #8

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    The "Jetworks mod" is a pressure relief valve that does not allow water into your water box until the engine gets to higher rpms.

    Your water box stays dry at 3500 rpms or less. This way, when you take off, the engine does not have to blow water out of the box before it takes off.

    After you reach 3500 rpms(approximately) the valve relieves and water begins to enter the box to help retain your top end. Some people report modest top end gains.

    It is a great hole shot mod if you install it properly.

    It is not hard to do, especially after you have seen a picture of it.

  9. #9
    Moderator RX951's Avatar
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    Stock pipe with D-plate and jetworks mod is the best combination right now.

  10. #10

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    Thanks to all for the info.
    Salty - very concise, thanks

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