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  1. #1
    Live Fast wave15stx's Avatar
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    66.2mph with minor mods on my 15f

    each time out shes getting faster,its a 2006 15f mods are rogue big air intake,r&d rideplate sealed up and riva free flow exhaust without modding primary.i hit 66.2 mph on gps there was a current which was helping me but i also started bouncing up top.going against the current i hit 65.8mph air temp was around 85 wa ter temp id say 80.i also took my buddies 06 15f which only has the r&d rideplate i got a best of 64.1mph


  2. #2
    What RPM are you running? How many bars past 7000rpm's

  3. #3
    Live Fast wave15stx's Avatar
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    looks like 4 bars past 7 grand hard to see its over 7 grand at 3/4 throttle now but then again to be totally sure id have to get an aftermarket tack to see where im at its feels like it needs more impeller now for top end

  4. #4
    the stock can be pretty far off. with my tiny tac installed i pulled 7700rpm and my stock tac said i was pulling 7400 so get an aftermarket tac. are you running an aftermarket prop?

  5. #5
    AaronC's Avatar
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    Quote Originally Posted by racingtrx450 View Post
    the stock can be pretty far off. with my tiny tac installed i pulled 7700rpm and my stock tac said i was pulling 7400 so get an aftermarket tac. are you running an aftermarket prop?
    are you counting each bar as 100 RPM? The manual says each bar is 166 RPM but you can't tell exactly where you are between bars because of the rpm spread.

  6. #6
    i was counting each bar as 160-170 rpms. my stock tac flickers betwen 2 and 3 bars past 7k. so i just rounded it to around 7400.

  7. #7
    AaronC's Avatar
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    Quote Originally Posted by racingtrx450 View Post
    i was counting each bar as 160-170 rpms. my stock tac flickers betwen 2 and 3 bars past 7k. so i just rounded it to around 7400.
    For some reason I'm having a hard time following you. How do you know which tach is correct (stock or aftermarket)? In another thread you asked what the redline was, and said your aftermarket tach hits 8600 when it hits the factory rev limiter which is set at 8100? That would mean your aftermarket tach is reading 500 too high?

  8. #8
    that 8600 was with an ebay "china" tac. it was oen of 30 dollar ones i hoped were accruate. and i new 8600 wasnt. i went with a tiny tac and now im reading 7700.

  9. #9
    AaronC's Avatar
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    ahh, where do you get a tiny tach, and how much? Thanks

  10. #10
    i got mine off ebay with the bracket and everything required. cost i believe was like $100

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