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  1. #41
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by jwaked View Post
    Jerry with the F1 will you be upgrading the fuel system in any way?
    Thanks
    Jay

    Yes! You have to run the 1000cc injectors, billet fuel rail so you can install those injectors, or make spacers for your stock fuel rail. Then just load up the MaptunerX stage 3 tune


  2. #42
    jim c's Avatar
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    I just went back and forth with jerry and jesus from riva on this since I am doing the same thing. any way you look at it, if you bump up the psi with a new wheel then you need more fuel. if your using the maptuner then jesus writes the tunes for 100lb injectors so you need those. no fuel psi regulator is needed. with stock fuel pressure the stock injectors are maxed out with the f1 wheel which is why you need the bigger injectors with those tunes. now I have heard from other members here that dean writes his tunes for higher fuel psi in which case stock injectors can be used but you need a rrfpr.

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  4. #43
    jim c's Avatar
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    haha beat me to it.

    only thing I will say in addition to is that the fuel rail isn't 100% necessary. stock will work. you just need to make 3 spacers that go under the mounting screws for the rail. if you rather not do that then their fuel rail will be required.

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  6. #44
    P.sizzle's Avatar
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    does anyone know the proper torque down for the charger housing?
    Last edited by P.sizzle; 05-23-2017 at 05:04 PM.

  7. #45
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by P.sizzle View Post
    does anyone know the proper torque down for the charger housing?
    The supercharger front housing? Apply blue Loc-tite to bolts. Torque bolts to 14 ftlb

  8. #46
    P.sizzle's Avatar
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    ok great thanks

  9. #47
    speeder's Avatar
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    Is there a gasket between the housing parts that needs to be replaced when putting it back together after installing new shaft?

  10. #48
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by Green Hulk View Post
    ... installing a set screw just like Yamaha themselves used to do on 2012 and older superchargers (see above pic). Yamaha should still be pinning these housings!!!

    Furthermore, putting that set screw could not cause any other component of the supercharger to fail. It prevents it from failing.
    I have posted some notes for installing a retaining screw into my GP1800 SVHO supercharger.

    Supercharger volute pinning, 2013 & newer Yamaha SVHO engine

  11. #49
    I think Ill just do this modification with the drilling and tapping for 2 screws, maybe 3. Looks good and intact there.

  12. #50

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    I modified with 1 screw.
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