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  1. jmk222
    Post

    Bike still wont start ,but backfires loud

    check/change your spark plugs and change the oil on the bike too. had mine do the same thing after cleaning carbs and this is what took care of it.
    Post by: jmk222, May 4, 2008 in forum: XJ Technical Chat
  2. jmk222
    Thread

    xs1100 engine

    does anybody out there know if a xs1100 engine will go into a xj650? I can get a good running engine for free and the thought of all the extra...
    Thread by: jmk222, Apr 7, 2008, 3 replies, in forum: XJ Technical Chat
  3. jmk222
    Post

    Bike decided not to start ... fires on , then backfires

    Charge your battery, and change your plugs. Try to start it. Just went through the same thing with mine after cleaning the carbs. It got so...
    Post by: jmk222, Apr 2, 2008 in forum: XJ Technical Chat
  4. jmk222
    Post

    Bike turns over; won't start.

    dennis, did you figure out what was causing your problem - I'm going through the same thing with mine - wants to start, then huge backfire.
    Post by: jmk222, Apr 1, 2008 in forum: XJ Technical Chat
  5. jmk222
    Post

    xj650 won't rev past 6500!!

    I never took them off their brackets or touched the adjustment - even if I did there's no way it would make this happen.
    Post by: jmk222, Apr 1, 2008 in forum: XJ Technical Chat
  6. jmk222
    Post

    xj650 won't rev past 6500!!

    put another TCI in it anyways just to make sure - no change whatsoever. I thought that I should look at the carbs again because its been 2 years...
    Post by: jmk222, Apr 1, 2008 in forum: XJ Technical Chat
  7. jmk222
    Post

    Misc. 82 XJ650 Maxim parts.

    do you still have the ignitor box?
    Post by: jmk222, Mar 19, 2008 in forum: For Sale, Trade/Swap, Wanted
  8. jmk222
    Post

    xj650 won't rev past 6500!!

    Finally able to check the timing on the bike. At idle, it is perfect, and when accelerating it advances up to about 4000 rpm. After that, it...
    Post by: jmk222, Mar 19, 2008 in forum: XJ Technical Chat
  9. jmk222
    Post

    Handlebar Question

    Beware of the bigfoot shift lever. I tried it on my XJ and it is way too long to be able to shift comfortably at all. I wear size 13 shoes and...
    Post by: jmk222, Mar 16, 2008 in forum: XJ Technical Chat
  10. jmk222
    Post

    xj650 won't rev past 6500!!

    how would I check this? I have set base timing on the bike but what would I be looking for exactly to see if it is advancing the timing or not?
    Post by: jmk222, Mar 15, 2008 in forum: XJ Technical Chat
  11. jmk222
    Post

    xj650 won't rev past 6500!!

    The bike doesn't miss, it just bogs down and won't wind any further. You can hold it wide open and it will just hover right at 6500. The engine...
    Post by: jmk222, Mar 14, 2008 in forum: XJ Technical Chat
  12. jmk222
    Thread

    xj650 won't rev past 6500!!

    My '81 650 has had an "artificial redline" since I got it two years ago and I can't figure out why. I have cleaned the carbs, had them re-tuned,...
    Thread by: jmk222, Mar 14, 2008, 20 replies, in forum: XJ Technical Chat
  13. jmk222
    Post

    Maxim 650 Idle races and won't rev past 7000 RPM

    it is a miss - no backfiring at all, and to answer a previous question jets were all the same size - the mains were 110 and the secondary were 40.
    Post by: jmk222, Jun 26, 2006 in forum: XJ Technical Chat
  14. jmk222
    Post

    Maxim 650 Idle races and won't rev past 7000 RPM

    nothing under the seat - just the factory tray with the tool bag in it - nothing else...
    Post by: jmk222, Jun 25, 2006 in forum: XJ Technical Chat
  15. jmk222
    Post

    Maxim 650 Idle races and won't rev past 7000 RPM

    just put a brand new one in - no difference
    Post by: jmk222, Jun 24, 2006 in forum: XJ Technical Chat
  16. jmk222
    Post

    Maxim 650 Idle races and won't rev past 7000 RPM

    Ok - this thing really has me baffled. I pulled the carbs and cleaned them out (cleaned jets, passages, made sure floats worked properly, pulled...
    Post by: jmk222, Jun 23, 2006 in forum: XJ Technical Chat
  17. jmk222
    Post

    Maxim 650 Idle races and won't rev past 7000 RPM

    thanks for all of the ideas - but I think I figured this thing out. The carbs are not the problem it seems. The previous owner had put that...
    Post by: jmk222, Jun 18, 2006 in forum: XJ Technical Chat
  18. jmk222
    Post

    Maxim 650 Idle races and won't rev past 7000 RPM

    I took the tank off and pulled the petcock out to make sure that the filter was not plugged - it looked decnt but I cleaned it with some solvent...
    Post by: jmk222, Jun 16, 2006 in forum: XJ Technical Chat
  19. jmk222
    Thread

    Maxim 650 Idle races and won't rev past 7000 RPM

    I recently got an 81 Maxim 650 that had sat for about a year runnin and on the road. I have flushed out the old gas, ran seafoam with every tank,...
    Thread by: jmk222, Jun 14, 2006, 16 replies, in forum: XJ Technical Chat
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