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  1. 06-13-2006, 08:46 PM #1
    somefun
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    RR ECU 4501 HP??

    Does anyone know how much HP a 4501 ECU makes on a 185HP motor? I was told 40HP.
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  2. 06-13-2006, 09:56 PM #2
    rotax racing
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    when used with a 60 psi fuel regulator the 4501 ecu adds 40 hp to the 185 engine. damn good bang for the buck.
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  3. 06-13-2006, 10:49 PM #3
    GTXX
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    now that is simply amazing! 40 hp bumps it up to 220-225? freakin bargain...
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  4. 06-14-2006, 12:37 AM #4
    rotax racing
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    actually it bumps it up to 210 hp. the 185 rating is not quite accurate in the real world . the dyno disagrees with the brochure.
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  5. 06-14-2006, 11:01 AM #5
    mrchinup
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    Rotax racing, how many HP does it add to 215 hp rxt? Or 208 hp rxt, lol
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  6. 06-14-2006, 10:49 PM #6
    rotax racing
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    it adds 40 hp as well to your "195" hp rxp with the addition of an external intercooler.
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  7. 06-14-2006, 11:13 PM #7
    Yuji
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    I'm hoping one of those ecu's falls out of the sky and into my lap...wouldn't that be swell
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  8. 06-15-2006, 09:40 AM #8
    Vern
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    I have a 4501 RR ECU for sale, never used, latest reflash, save $250, $1100 shipped.
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  9. 06-15-2006, 11:48 AM #9
    1 FAST VE
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    Does anyone(RR) know the differance between the RR and the new Riva???

    $999 plus a GreenHulk Discount sure sonds good compared to the $1350 unless the RR is twice the ecu that Riva's is?
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