Throttle body purchase
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  1. #1

    Member #
    21374
    Bike(s)
    CBRxx GSXR 1000 2013 2008 1098 2000 996 2002 Hyabu
    Join Date
    Mar 30 2016
    Location
    usa
    Posts
    31
    Liked
    3 times

    Throttle body purchase

    ongoing idle problem so purchased some used throttle bodies to test out. If successfull will have these items up for sale in the future. Let the forum know if successful.If not bike up for sale 99yr mdl under 40,000 mls, black with Micron pipe and seat cowl w/power booster

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  3. #2

    Member #
    21374
    Bike(s)
    CBRxx GSXR 1000 2013 2008 1098 2000 996 2002 Hyabu
    Join Date
    Mar 30 2016
    Location
    usa
    Posts
    31
    Liked
    3 times

    Re: Throttle body purchase

    Tore bike down again! Replaced my old injector rail w/another bike would barely run! No good piece, replaced w/my old rail got bike started and still have miss @ 1200 rpms increase the rpms and it smooth's out after 1600 rpms or so, acceleration not affected but backfires when I roll off throttle! Lot's of low end noise upon start up when cold what is such? Bike just turned 30,000 on Sunday 4/16. Very frustrating! Could plug wires be a problem or a sensor that controls the fuel flow? Already blew $200.00 bucks on parts to address this problem!

  4. #3

    Member #
    1728
    Bike(s)
    81,82,83 CBF's, 98 CBRxx, 07 CBR-1000RR/R, 83 FXSB
    Join Date
    Jun 03 2007
    Location
    Canada
    Posts
    3,644
    Liked
    887 times

    Re: Throttle body purchase

    You may had done this already but: Search up info on the "wax unit". This item helps control the warm up and cold start aspects of the injected XX. The do fail and have been mentioned here before. I have to search myself to remember what the symptoms of the failure are. I'm a carb guy (choke on choke off) so don't have real world experience with the Injection machines, sorry. The other issue often mentioned FI related is FPR (fuel pressure regulator). Low fuel pressure is a possible issue if the regulator is gone which may lead to a lean condition (popping a back fire most often means lean condition).

    T.
    "Stemmata quid faciunt."

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  6. #4

    Member #
    11716
    Bike(s)
    2003 CBR 1100XX, 2013 Diavel Carbon
    Join Date
    Jun 23 2011
    Location
    Montreal, Canada
    Posts
    295
    Liked
    66 times

    Re: Throttle body purchase

    Just giving you a couple of ideas here.

    1) Missing @1200 (which I assume is your idle speed) did you have the TB's sync'ed?
    2) Backfires on rolling off the throttle is usually some kind of lean condition (check all you vacuum lines)
    3) Low end noise on startup (I'm assuming when cold only) could be the clutch basket, almost all do that.

    Good luck

  7. #5

    Member #
    21374
    Bike(s)
    CBRxx GSXR 1000 2013 2008 1098 2000 996 2002 Hyabu
    Join Date
    Mar 30 2016
    Location
    usa
    Posts
    31
    Liked
    3 times

    Re: Throttle body purchase

    Bike parked for now and goin' to be awhile will be ridin' my Busa nary a problem w/a bike that is 16yrs old!!!!!!!!!!!!


 

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