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Thread: Cutting Out At Midrange?? Idles Fine??

  1. 03-01-2006, 10:24 PM #1
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    01screamindemon
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    Cutting Out At Midrange?? Idles Fine??

    Alright so this happened pretty much all of the sudden. I was out jumping my double, running great, and then after I landed once it started cutting out right at midrange. It idles fine, but while its in neutral, and I try to rev up through midrange, it acts as if it is flooding possibly, or should I say bogging?? I do have a jet kit and do have a high comp. 440 and I do run 100 octance fuel. The head gasket also looked fine. I tried leanin out a bit, and it got worse, and also tried running a bit richer, and it didnt help either. Any ideas? Thanks in advance.
    "Go Big or Go Home"

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  2. 03-02-2006, 05:50 AM #2
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    underpowered
    underpowered is offline Still young and stupid
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    did you check your needle? i have had the screws holding the need in back out the the needle fall out, causing it it get too much fuel too soon.
    Tyler Jones

    2000 426EX, 11:1 wiseco, hot cams stage 3 "stroker" cam, Ported head done by Dr. G, FCR 41, Hot rods crank, running no base gasket, 1 layer of 3 layer head gasket, Klotz 113 race fuel Feather carbon smoothie hood, works tripples w/ressies, Black HMF slip on, AC pro peg nerfs, Azonic fat bars, burgaurd +1 1/4" swinger, Lonestar +1 stem, douglas yellow label front wheels, Pro Armor front bumper, + some others goodies

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  3. 03-02-2006, 02:02 PM #3
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    Ill check 'er out. Anyone else have any input?? Possibly?? Im almost positive its a fuel problem. I could be wrong I guess.
    "Go Big or Go Home"

    '09 Ktm 450 sx
    Old quad- 06 LTR 450
    Older Quad-01 426ex

    -98 Camaro v6, previously supercharged
    -69 Camaro soon to be restored
    -53 F-100 soon to be restored

    FQX, Mx, FMX, aka all purpose track in the works, built by yours truly
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  4. 03-02-2006, 05:12 PM #4
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    Alright Im really to the point where I have no idea whats wrong, it really bogs/cuts out in upper midrange, not quite top end. The only other things that I havent really looked into yet is the floats in the carb(if that would even make a difference), and im getting ready to check the head gasket. I have no idea. Please help.
    "Go Big or Go Home"

    '09 Ktm 450 sx
    Old quad- 06 LTR 450
    Older Quad-01 426ex

    -98 Camaro v6, previously supercharged
    -69 Camaro soon to be restored
    -53 F-100 soon to be restored

    FQX, Mx, FMX, aka all purpose track in the works, built by yours truly
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  5. 03-02-2006, 10:36 PM #5
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    ride_red666
    ride_red666 is offline Real Motors Have Valves
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    did u check the air filter?? check for debris in the float bowl
    "Ride Hard, Ride Fast, or Be Passed"

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  6. 03-03-2006, 04:51 PM #6
    EX Stud
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    my buddies 400 was doing the same thing (cutting out past half throttle). He messed with his carb for 2 weeks, and finally figured it was the timing. It had jumped off 3 degrees
    2002 426EX

    Wiesco 426 11:1 piston, Stage II cam, Curtis Sparks X-6, Big Gun rev box, port and polished heads, K&N, UM oversized Oil tank, air scoops, Jet-kit, Razrs all around, AC Pro-Pegs, RTC levers, ITP rims, TAG T2 fat bars, custom blue frame, white FullBore plastics, OHLINS triple rate shocks, Tag black bumper, billet gas cap,

    450R carb in the works!!

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  7. 03-03-2006, 07:42 PM #7
    fasssst400ex
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    my 400 ex had a problem like that it would idle fine but when u would rev it up it would cut out all the time. i tightened the nut on the cord running to the coil and that fixed it. i dont know if that will work for u but it worked for me
    01' 400ex-sold
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  8. 03-04-2006, 06:22 PM #8
    hondaboy400ex55
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    this might sound dumb but it happen to me is ur CHOKE on??????
    They stole my baby!!
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    Stupid Theifs


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  9. 03-05-2006, 07:06 PM #9
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    Found out after all that it was off time. Seems as though the ole cam chain was getting pretty stretched out. Already have a new one on the way. Thanks for the help.
    "Go Big or Go Home"

    '09 Ktm 450 sx
    Old quad- 06 LTR 450
    Older Quad-01 426ex

    -98 Camaro v6, previously supercharged
    -69 Camaro soon to be restored
    -53 F-100 soon to be restored

    FQX, Mx, FMX, aka all purpose track in the works, built by yours truly
    Reply With Quote Reply With Quote
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