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  1. #1

    Join Date
    Jul 2013
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    Canyon Texas
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    Looking for GP1300R Performance

    looking for EFI controller, Heads, Reeds / Stuffers, etc...

    I have stage 2 bolt-ons, and jetworks... looking for more


  2. #2
    Mill stock heads(jims performance), ejk fuel controller, wfo keyway and buy some vf3s if you can afford them...goodluck. I am in the same boat with my gp1300r as you.

  3. #3
    OzarkYamMonster's Avatar
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    Oct 2012
    Location
    Lake Of The Ozarks
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    Hey guys .... what's up? Please tell us more on what your mods are & what results you may have got. I am always modding/tuning both my Yammies. I have finally done what I think is the last of my planned mods. On my GP1300R, I have d-plate, SS 1200 intake grate, Modified R&D ride plate, Extended Trim tabs, SHO exit nozzle, Stepped sponsons, Jetworks Hole-Shot, Jim's milled head to 150psi, fuel controller, FF exhaust, VFe reeds, Tim Judge ported jugs, 3* keyway, It has been to cold & low water here ... so no actual water runs yet. However, I can't wait!

  4. #4
    I had issues with mine last year. Bad pump bearings. I replaced them and added a 13/19. I will add a tach and let you know my results. I don't have a milled head yet, keyway or ect. Mine should be around 67ish is what I believe wfo said? maybe wrong. I recently just picked up a 1200r that needs a top end rebuild. I am actually going to mod this more and do everything to that and probably let my girlfriend ride the gp1300r instead that I modded last year. Haven't decided.

  5. #5
    OzarkYamMonster's Avatar
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    Yes 67 to 68 is the correct target # GPS. Good Luck with your new toy .... you will have a blast modding it as well

  6. #6
    Keep us posted on how your ski goes buddy.

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