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  1. 05-19-2015, 05:23 PM #1
    YamahaFZR12
    YamahaFZR12 is offline
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    top end question

    i have a 2012 fzr with 80 hrs. last season i put on the following, reflashed ecu by r&d, 13/25 prop, engine and intercooler cooling kit, free flow exhaust, riva blow off valve, intake grate. yesterday i gps at only 68.1 what could be the cause? just pulled the intake pipe off and the supercharger wheel feels fine spins good clockwise and dosent spin counter.
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  2. 05-20-2015, 02:13 AM #2
    fx160
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    your prop is possibly way to big
    depends on your other mods
    but a reflash with stock boost should also be stock prop or 13/21
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  3. 05-20-2015, 04:33 AM #3
    syk03t
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    Are you bouncing on the limiter ?? You should be up around the 80+mph
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  4. 05-20-2015, 06:34 AM #4
    JoeyDFZS
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    Get a digital tach
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  5. 05-20-2015, 06:50 AM #5
    HydroStream6
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    Need to know RPM and what what wheel you're running.
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