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  1. Arnaud
    Post

    When idling, voltage drops and engine starts to stutter/misfire

    No, old coils had wrong resistance. At 2000 rpm charging at 14,5V. So regulator works fine. Idling without lights Volgate is 12,8-13,2V. The...
    Post by: Arnaud, Jun 22, 2025 at 6:43 AM in forum: XJ Technical Chat
  2. Arnaud
    Post

    XJ900F 1988, rear suspension tip wanted..

    The have been recently overhauled/rebuilt. But i thing the dampening is not enough for the 2-step heaviuer springs. so now i am searching for a...
    Post by: Arnaud, Jun 22, 2025 at 3:14 AM in forum: XJ Technical Chat
  3. Arnaud
    Post

    When idling, voltage drops and engine starts to stutter/misfire

    All contacts, switches and buttons are cleaned and checked. But i really, really do not understand how a start button or start relais, which are...
    Post by: Arnaud, Jun 22, 2025 at 3:12 AM in forum: XJ Technical Chat
  4. Arnaud
    Post

    When idling, voltage drops and engine starts to stutter/misfire

    Battery is tested with a special device at a workshop, is okay.. Now i am really puzzled..
    Post by: Arnaud, Jun 21, 2025 at 9:41 AM in forum: XJ Technical Chat
  5. Arnaud
    Thread

    XJ900F 1988, rear suspension tip wanted..

    Dear folks, After purchasing my beloved 900 i replaced the - original- suspension front and back. For the rear a set of YSS shocks were...
    Thread by: Arnaud, Jun 21, 2025 at 2:29 AM, 2 replies, in forum: XJ Technical Chat
  6. Arnaud
    Post

    When idling, voltage drops and engine starts to stutter/misfire

    Yes.. but.. it starts whithin 2 seconds.. At rest it has 12,7V.. Could the battery still be the suspect? Otherwise... i'm out of options/theories
    Post by: Arnaud, Jun 19, 2025 at 5:23 AM in forum: XJ Technical Chat
  7. Arnaud
    Post

    When idling, voltage drops and engine starts to stutter/misfire

    If i turn of the lights, Voltage increases to normal level and the stuttering stops. This problem didn't occu in the years before with the same...
    Post by: Arnaud, Jun 19, 2025 at 1:36 AM in forum: XJ Technical Chat
  8. Arnaud
    Thread

    When idling, voltage drops and engine starts to stutter/misfire

    5 year old Motobatt battery. Genny charges 14,5V at 2000 rpm. Normal lights, no other voltage users. Connectors all cleaned, checked and...
    Thread by: Arnaud, Jun 18, 2025 at 10:54 AM, 12 replies, in forum: XJ Technical Chat
  9. Arnaud
    Thread

    1988 xj900f; Left hand switch/choke dissassembly

    .. I try to dismantle the switch to get to the faulty indicator switch but cannot get the halves of each other, the round choke lever is blocking...
    Thread by: Arnaud, May 26, 2025, 0 replies, in forum: XJ Technical Chat
  10. Arnaud
    Post

    Finally solved XJ900 choke control problem

    Found this topic by google.. how to take the left switch apart?> Both screws are out, and then? How to remove the choke ring?
    Post by: Arnaud, May 25, 2025 in forum: XJ Technical Chat
  11. Arnaud
    Thread

    Idling issue; From what RPM should the genny do i'ts job?

    Dear folks, To tackle a strange idling problem; From what RPM should the genny give enough to keep the battery sufficiëntly charged to keep the...
    Thread by: Arnaud, May 20, 2025, 2 replies, in forum: XJ Technical Chat
  12. Arnaud
    Thread

    XJ900F uneven idling/some misfires..

    ..when idling for longer then an minute or so. The onboard Voltage drops to 10,9/11,0V. When if turn off the light, the engine idles good/evenly...
    Thread by: Arnaud, May 14, 2025, 1 replies, in forum: XJ Technical Chat
  13. Arnaud
    Post

    XJ900f suddenly idling issue.

    Hmm the battery is 'stealing'the current from thje ignition... B.V. at idle after a minute or so is 12,4 V. Idling rpm is prescibed at 1100 rpm...
    Post by: Arnaud, Apr 21, 2025 in forum: XJ Technical Chat
  14. Arnaud
    Post

    XJ900f suddenly idling issue.

    Also with battery charger connected, when i test the ign. switch connector Voltage drops within seconds from 13,4 to 12,4 Volts (So you measure...
    Post by: Arnaud, Apr 20, 2025 in forum: XJ Technical Chat
  15. Arnaud
    Post

    XJ900f suddenly idling issue.

    Red wire ign. switch 11,9V Brown wire 11,6V Battery 12,4 (a bit empty due to all the tests i think) so both sieds have a bit loss.. Hmm.
    Post by: Arnaud, Apr 20, 2025 in forum: XJ Technical Chat
  16. Arnaud
    Post

    XJ900f suddenly idling issue.

    Yes a circuit in the manual, but not the location.. The fuse box is a more modern one with 'normal'fuses.. i do not know the English word for it...
    Post by: Arnaud, Apr 20, 2025 in forum: XJ Technical Chat
  17. Arnaud
    Post

    XJ900f suddenly idling issue.

    It sounds strange, especial after running thouygh all connectors but.. it does not seem to have a main fuse?? All spark plugs have a sounds colour...
    Post by: Arnaud, Apr 20, 2025 in forum: XJ Technical Chat
  18. Arnaud
    Post

    XJ900f suddenly idling issue.

    Max charge voltage is okay. I will measure/check the ignition switch.. so that can be a cause? But.. The big main fuse is only for the starter...
    Post by: Arnaud, Apr 19, 2025 in forum: XJ Technical Chat
  19. Arnaud
    Post

    XJ900f suddenly idling issue.

    I do not find the point where the 2 volts are 'taken'. Does it happen more often that the ignition switch is the troublemaker?
    Post by: Arnaud, Apr 19, 2025 in forum: XJ Technical Chat
  20. Arnaud
    Post

    XJ900f suddenly idling issue.

    Generator has new coils, but the xj900f genny does not do a lot when idling..would the regulator be a problem? But, i went measuring.. 12,4 Volts...
    Post by: Arnaud, Apr 18, 2025 in forum: XJ Technical Chat
  21. Arnaud
    Post

    XJ900f suddenly idling issue.

    Armed with a can of brake cleaner i did a test drive. No signal for an airleak along the shaft. The problem still exists. But, when i turn of the...
    Post by: Arnaud, Apr 18, 2025 in forum: XJ Technical Chat
  22. Arnaud
    Post

    XJ900f suddenly idling issue.

    Thanks for the tip! I will make a test drive today with new 5 K-Ohm plug caps. Are these shaft seals difficult to replace?
    Post by: Arnaud, Apr 18, 2025 in forum: XJ Technical Chat
  23. Arnaud
    Post

    XJ900f suddenly idling issue.

    I cannot imagine the plug caps are theproblem. Does the TCI ignition need the 5 K Ohm resistance??
    Post by: Arnaud, Apr 14, 2025 in forum: XJ Technical Chat
  24. Arnaud
    Post

    CB 750 coils

    Another question, Original have our bikes 5 K Ohm spark plug caps. Which should we use with the CB750 coils? Does the TCI ignition need this...
    Post by: Arnaud, Apr 14, 2025 in forum: XJ Technical Chat
  25. Arnaud
    Post

    XJ900f suddenly idling issue.

    I tested things, had it idling with warm engine. After a minute or so it starts stuttering. at that moment battery voltage is 12,30V. When i turn...
    Post by: Arnaud, Apr 14, 2025 in forum: XJ Technical Chat
  26. Arnaud
    Post

    XJ900f suddenly idling issue.

    No corrosion, i recently installed the new 0-ohm caps and clipped the plug cables with 5mm to ensure 'fresh' contact. I do not understand why...
    Post by: Arnaud, Apr 14, 2025 in forum: XJ Technical Chat
  27. Arnaud
    Thread

    XJ900f suddenly idling issue.

    My first 4 cylinder bike (and yes, it still intimidates me a little) 1988 XJ900f. Valve play is okay. Carbs recently overhauled and synchronised....
    Thread by: Arnaud, Apr 14, 2025, 23 replies, in forum: XJ Technical Chat
  28. Arnaud
    Post

    CB 750 coils

    So, as i understand, the plugs are different. How about the color-codes? In other words; Which color wire goed on which Honda wire?
    Post by: Arnaud, Apr 6, 2025 in forum: XJ Technical Chat
  29. Arnaud
    Post

    4 degrees advance disc

    It is indeed the wro[ATTACH] [ATTACH] [ATTACH] ng one, it does not fit.. Some have altered the holes in the back plate tot rotate it 4 degrees.....
    Post by: Arnaud, Mar 21, 2025 in forum: XJ Modifications
  30. Arnaud
    Thread

    4 degrees ignition advance rotor does not fit.

    I purchased a 4 degrees advance rotor from ebay, should go on my 1988 xj900f. But does not fit at all. Is there a p & p rotor that does fit?
    Thread by: Arnaud, Mar 21, 2025, 0 replies, in forum: XJ Technical Chat
  31. Arnaud
    Thread

    4 degrees advance disc

    Someone sends me this plate. I am not yet familiar with these types of ignition. Do i have it correct i merely have to swap the outer disc?...
    Thread by: Arnaud, Mar 19, 2025, 2 replies, in forum: XJ Modifications
  32. Arnaud
    Post

    Alternative for XJ900F ignition coils

    Thanks for the reassurance..
    Post by: Arnaud, Mar 10, 2025 in forum: XJ Technical Chat
  33. Arnaud
    Post

    Alternative for XJ900F ignition coils

    I have no idea in what range of production years that is but.. Do you alle use second-hand (so already old, maybe vulnerable?) coils or can they...
    Post by: Arnaud, Mar 9, 2025 in forum: XJ Technical Chat
  34. Arnaud
    Post

    Alternative for XJ900F ignition coils

    Yes i just read it with great interest,:) (and found a set coils for them at 229 euro.. ouch) To be sure- There older Japs are relatively new...
    Post by: Arnaud, Mar 9, 2025 in forum: XJ Technical Chat
  35. Arnaud
    Post

    CB 750 coils

    I am hesistant to buy them used, some things like ignition parts have to be new to shut down problems.. Are they new for sale, cheaper then...
    Post by: Arnaud, Mar 9, 2025 in forum: XJ Technical Chat
  36. Arnaud
    Thread

    Alternative for XJ900F ignition coils

    ..Are those for a Diversion similar I am looking for a new set of coils because cannot figure the warm-starting problem out. (Valve play and...
    Thread by: Arnaud, Mar 9, 2025, 6 replies, in forum: XJ Technical Chat
  37. Arnaud
    Post

    Bad cold start, could the pick-up be at fault?

    This is a problem; I live in the Netherlands.. no hills over here..;)
    Post by: Arnaud, Feb 27, 2025 in forum: XJ Technical Chat
  38. Arnaud
    Post

    Bad cold start, could the pick-up be at fault?

    Push-start? Is that possible with such a big bike? Then, in second gear? I like the idea!
    Post by: Arnaud, Feb 27, 2025 in forum: XJ Technical Chat
  39. Arnaud
    Post

    Bad cold start, could the pick-up be at fault?

    The bike is ridden quite often, no short runs. So, the pick-ups are not likely to be at fault? Starting behaviour is getting very bad.. i worry...
    Post by: Arnaud, Feb 26, 2025 in forum: XJ Technical Chat
  40. Arnaud
    Post

    Bad cold start, could the pick-up be at fault?

    It is a 5 year old Motobatt. Again, it started very fine and quick untill a few months ago.. started checking things but cannot find a cause..
    Post by: Arnaud, Feb 26, 2025 in forum: XJ Technical Chat
  41. Arnaud
    Post

    Bad cold start, could the pick-up be at fault?

    Oh yes my apologies.. 1988 xj900f.
    Post by: Arnaud, Feb 26, 2025 in forum: XJ Technical Chat
  42. Arnaud
    Thread

    Bad cold start, could the pick-up be at fault?

    ..because everything else is okay.. Bad starting began quite suddenly from push button-start to taking many seconds to start. Batterij Voltage...
    Thread by: Arnaud, Feb 26, 2025, 11 replies, in forum: XJ Technical Chat
  43. Arnaud
    Post

    1988 xj900f blinker problem

    I think bad grounding..
    Post by: Arnaud, Nov 23, 2024 in forum: XJ Technical Chat
  44. Arnaud
    Post

    1988 xj900f blinker problem

    I have found it in the meanwhile, thanks!
    Post by: Arnaud, Nov 23, 2024 in forum: XJ Technical Chat
  45. Arnaud
    Post

    Unfiltered air into the engine

    The fit of the boots is, because of the inflexibility of the aged rubber not so great anymore...
    Post by: Arnaud, Nov 17, 2024 in forum: XJ Technical Chat
  46. Arnaud
    Thread

    Unfiltered air into the engine

    While doing some maintainance, i discovered a lot of dirt/debris in the airbox, in the front side.. So 'between' the filter element and the rubber...
    Thread by: Arnaud, Nov 14, 2024, 3 replies, in forum: XJ Technical Chat
  47. Arnaud
    Post

    1988 xj900f swingarm removal, how to?

    ..about 108.000m km's
    Post by: Arnaud, Nov 7, 2024 in forum: XJ Technical Chat
  48. Arnaud
    Post

    1988 xj900f swingarm removal, how to?

    Really?? Especially with a heavier passenger it sounds & feels worrying..
    Post by: Arnaud, Nov 7, 2024 in forum: XJ Technical Chat
  49. Arnaud
    Post

    1988 xj900f swingarm removal, how to?

    I succesfully removed the swingarm. It was not diff\icult at all and feel a little ashamed that i made such a fuss about it. The nut in the joint...
    Post by: Arnaud, Nov 7, 2024 in forum: XJ Technical Chat
  50. Arnaud
    Post

    How to remove intake rubbers

    Really, then i will think spend some money on the real thing..
    Post by: Arnaud, Nov 6, 2024 in forum: XJ Technical Chat
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