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  1. #1

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    R&D R4 reflash on a stage 1 FZR

    hi just wondering i have the stage 1 mods on my fzr and have a opportunity to buy a 2nd hand R4 reflash but would this be an over kill?i was going to get the R2 or the R3 but since this one has come up i thought i might grab it.any thoughts would be appreciated


  2. #2

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    R4 is designed for 100 octane plus fuel and a larger boost wheel so unless you have both i would not bother. your other option if it the right price is to buy it and send it to R & D to reflash to R2 or R3. its not very dear to do it that way.

  3. #3
    PWCflorida.com FtLaudBlkGT's Avatar
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    Definitely overkill unless you want to spend the money on 100 octane every time you want to run the ski.

    Part #802-01804 R&D R4 ECU
    Reprogrammed ECU to allow 8850 RPM’s, eliminated Boost limiter, aggressively advanced ignition timing that requires 100 octane Aviation fuel for high performance Pro Stock or Pro Limited racing use. R4 works great with stock, C1, C3, or C5 Monster Wheel Kits, or any wheel kit rated up to 18 pounds of boost.

  4. #4

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    ok thanks for that, i think i will give it a miss then.

  5. #5
    64physhy's Avatar
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    R&D will reflash it for something like $175, so if the price is right, you could buy it and have the seller send it straight to R&D to reflash to R2 or R3.

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