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  1. Doubleyoupee
    Post

    Runaway idle no vacuum

    Yeah you're right. The concept stays the same though :)
    Post by: Doubleyoupee, Aug 19, 2016 in forum: XJ Technical Chat
  2. Doubleyoupee
    Post

    Runaway idle no vacuum

    It doesn't matter if you block them or connect hoses to them. Pretty much all carbs have a vacuum port, usually on the top but sometimes on the...
    Post by: Doubleyoupee, Aug 18, 2016 in forum: XJ Technical Chat
  3. Doubleyoupee
    Post

    Huge flat spot from 5k-6k rpm ('84 FJ600).

    I'm actually a bit above sea level, +-40m according to the internet.... so that shouldn't be it. It also varies very little over here.. -5-50m for...
    Post by: Doubleyoupee, Aug 18, 2016 in forum: XJ Technical Chat
  4. Doubleyoupee
    Post

    Huge flat spot from 5k-6k rpm ('84 FJ600).

    Yeah! Now here's hoping there's someone here who can tell me the WHY :confused:. This is what the needle looks like. Though I'm sure even the...
    Post by: Doubleyoupee, Aug 18, 2016 in forum: XJ Technical Chat
  5. Doubleyoupee
    Post

    Huge flat spot from 5k-6k rpm ('84 FJ600).

    "What have you got to lose" he said. "Only 30 min spannering" he said. Well I'll tell you what you got to lose. A god damn last-carb needle...
    Post by: Doubleyoupee, Aug 17, 2016 in forum: XJ Technical Chat
  6. Doubleyoupee
    Post

    Huge flat spot from 5k-6k rpm ('84 FJ600).

    You're right I have nothing to lose. It's just that I always want to understand, want to know why. So you went from +1 rich to +1 lean? Going...
    Post by: Doubleyoupee, Aug 15, 2016 in forum: XJ Technical Chat
  7. Doubleyoupee
    Post

    Huge flat spot from 5k-6k rpm ('84 FJ600).

    I haven't tried that because it's a pain, would need to go 5000rpm, kill it and push it home. edit: I just realized I could check the outside plug...
    Post by: Doubleyoupee, Aug 15, 2016 in forum: XJ Technical Chat
  8. Doubleyoupee
    Post

    Huge flat spot from 5k-6k rpm ('84 FJ600).

    QUOTE="Polock, post: 534566, member: 782"]most likely it is doesn't matter why, at those rpm's your engine wants more air or less fuel. you gave...
    Post by: Doubleyoupee, Aug 15, 2016 in forum: XJ Technical Chat
  9. Doubleyoupee
    Post

    Im the luckiest guy on this board!!!

    Not sure if sarcastic....
    Post by: Doubleyoupee, Aug 14, 2016 in forum: XJ Technical Chat
  10. Doubleyoupee
    Thread

    Huge flat spot from 5k-6k rpm ('84 FJ600).

    Hello all, I've recently got a FJ600 1984 model with 75000KMs. It wasn't running so I cleaned the carbs everything, did the valve clearances,...
    Thread by: Doubleyoupee, Aug 14, 2016, 14 replies, in forum: XJ Technical Chat
  11. Doubleyoupee
    Post

    The Infamous "Flat Spot"

    Sorry for stealing this thread, but it appears to be dead anyway and the problem seems to be the same. So I opened the carbs again today and...
    Post by: Doubleyoupee, Aug 14, 2016 in forum: XJ Technical Chat
  12. Doubleyoupee
    Post

    The Infamous "Flat Spot"

    Yeah I've tried to test but with CV carbs it's very hard, because at a constant throttle opening the vacuum slide can be opened more or less...
    Post by: Doubleyoupee, Aug 1, 2016 in forum: XJ Technical Chat
  13. Doubleyoupee
    Post

    The Infamous "Flat Spot"

    Thanks. Jetting is so confusing. I've had quite many carb bikes now, but the symptoms of lean/rich are never consistent... I rode again on the...
    Post by: Doubleyoupee, Jul 31, 2016 in forum: XJ Technical Chat
  14. Doubleyoupee
    Post

    The Infamous "Flat Spot"

    Yes, it looks like this [IMG] Really? I've heard about idle bog without back pressure but never mid-range bog. I don't have a baffle and looking...
    Post by: Doubleyoupee, Jul 31, 2016 in forum: XJ Technical Chat
  15. Doubleyoupee
    Post

    The Infamous "Flat Spot"

    I have this EXACT problem with my FJ600. It has stock airbox but a fully open 4-1 marving exhaust system. I've only just gotten this bike and...
    Post by: Doubleyoupee, Jul 29, 2016 in forum: XJ Technical Chat
  16. Doubleyoupee
    Thread

    Why does the (Haynes) manual say to open oil gallery bolt after oil change? (XJ/FJ600)

    Hi, I haven't had much experience with oil cooled bikes. I've got a GSX600F but something like this isn't mentioned. Regarding oil change, it...
    Thread by: Doubleyoupee, Jul 26, 2016, 2 replies, in forum: XJ Technical Chat
  17. Doubleyoupee
    Post

    FJ600 '84 carb float height and pilot jet plugs

    Yeah, I saw the same in my Haynes manual. But the Haynes uses hakachi carb for many drawings, so I wasn't sure. None of them have plugs? What...
    Post by: Doubleyoupee, Jul 19, 2016 in forum: XJ Technical Chat
  18. Doubleyoupee
    Post

    FJ600 '84 carb float height and pilot jet plugs

    Care to explain? Where did the plugs come from? They fit perfectly. Why would he randomly place 2 plugs when they weren't there before? He rode...
    Post by: Doubleyoupee, Jul 19, 2016 in forum: XJ Technical Chat
  19. Doubleyoupee
    Thread

    FJ600 '84 carb float height and pilot jet plugs

    Hi all. New here with 2 quick questions. I don't have a XJ but a FJ, hoping some experts are on here since they are almost identical to the...
    Thread by: Doubleyoupee, Jul 19, 2016, 4 replies, in forum: XJ Technical Chat
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