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  1. JDS2121
    Post

    Headlight relay bypass?

    Instead of doing a bypass I picked up a cheap $5 headlight relay from O'Reilly's. It's the 30amp 12v one that is in the headlight isle. Removed...
    Post by: JDS2121, Jul 4, 2016 in forum: XJ Technical Chat
  2. JDS2121
    Thread

    Headlight relay bypass?

    Found out last night that my headlight relay on my 81 XJ550 maxim is out. Anyone have experience doing a bypass? I don't intend for this to be a...
    Thread by: JDS2121, Jul 1, 2016, 3 replies, in forum: XJ Technical Chat
  3. JDS2121
    Thread

    For Sale 1981 XJ550 Maxim

    In Evansville, IN. I'm asking $1,000. So far this is what I've done. It has Dyna Mini 3 Ohm coils, a new TCI from Hyperpak, new stator and rotor...
    Thread by: JDS2121, Jun 10, 2016, 0 replies, in forum: For Sale, Trade/Swap, Wanted
  4. JDS2121
    Thread

    Wiring help?

    Replaced my wiring harness with a used one. One that hasn't been sliced up or jerry-rigged and even though I have a wiring schematic I can't for...
    Thread by: JDS2121, Apr 24, 2016, 2 replies, in forum: XJ Technical Chat
  5. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    Tested the charging on the battery today after letting it trickle charge to full over night. Starting voltage was 13.38v. Started, let her warm,...
    Post by: JDS2121, Aug 31, 2015 in forum: XJ Technical Chat
  6. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    Actually I goofed, had the multimeter on Ohms instead of diode. Diode tests all come back as .45 volts for color crossing, and 0 for color...
    Post by: JDS2121, Aug 30, 2015 in forum: XJ Technical Chat
  7. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    That's the current suspicion I have. Right now I have the battery on a 1.5amp trickle charger, and last night I went from the Sylvania H6024 XV...
    Post by: JDS2121, Aug 30, 2015 in forum: XJ Technical Chat
  8. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    Went through and did an electrical test today on the system, except for the pickup coils which I tested earlier. Here are the results. Coils:...
    Post by: JDS2121, Aug 30, 2015 in forum: XJ Technical Chat
  9. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    Alternator brushes are brand new, and when I replaced the rotor after I found it had visible wear marks it also tested within spec. Today as I ran...
    Post by: JDS2121, Aug 30, 2015 in forum: XJ Technical Chat
  10. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    Once again it stalled out around 20 minutes in this time. So the valves were part of the problem. Next thing I'm going to try on the list is...
    Post by: JDS2121, Aug 28, 2015 in forum: XJ Technical Chat
  11. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    So, I managed to crack into the system tonight. The mystery shim on E3 took a 255 replacement. Now comes the problem, the I1 255 and I4 265...
    Post by: JDS2121, Aug 27, 2015 in forum: XJ Technical Chat
  12. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    Only 1 valve was in spec. Here are the values. I'll work on finding which shim numbers I need sometime tonight and verify. If I've read correctly...
    Post by: JDS2121, Aug 16, 2015 in forum: XJ Technical Chat
  13. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    Got to Cylinder 1 Exhaust today before work and found the .18mm failed to fit. Didn't have time to write it down but believe .13mm was the one...
    Post by: JDS2121, Aug 16, 2015 in forum: XJ Technical Chat
  14. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    Pickups tested at 654, and 645. Looks like I'll be doing a valve clearance check this weekend.
    Post by: JDS2121, Aug 14, 2015 in forum: XJ Technical Chat
  15. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    Basic bump, problem has reared its ugly head again after replacing R/R, and stator with new ones from Ricks Motorsports. Leaning towards rotor...
    Post by: JDS2121, Aug 14, 2015 in forum: XJ Technical Chat
  16. JDS2121
    Thread

    XJ550 Maxim stopping again.

    So far I've enjoyed the XJ a few times on the road that I've had off and it wasn't raining, but once again a nasty problem is rearing its ugly...
    Thread by: JDS2121, Aug 13, 2015, 1 replies, in forum: XJ Technical Chat
  17. JDS2121
    Post

    XJ550 Not Cranking, Electrical Guru Needed

    First step I'd say to do is check the grounds, and run a continuity checks in the start circuit. You very well may have corroded contacts in the...
    Post by: JDS2121, May 8, 2015 in forum: XJ Technical Chat
  18. JDS2121
    Post

    XJ550 Rebuild to do list.

    Brakes have been inspected, cables are functioning properly, chain and sprockets both inspected. Tires are good as well, but I'll make sure to go...
    Post by: JDS2121, May 8, 2015 in forum: XJ Technical Chat
  19. JDS2121
    Thread

    XJ550 Rebuild to do list.

    Since my XJ550 is finally on the road running around I'm now in the process of taking stock of the things I intend to do to it over the winter....
    Thread by: JDS2121, May 8, 2015, 3 replies, in forum: XJ Technical Chat
  20. JDS2121
    Post

    Stator and R/R test results.

    New results are this. Old Reg/Rect with a new battery is sticking out 14.43v at slightly above 2k rpm. I'm still getting that strange less than 1v...
    Post by: JDS2121, May 5, 2015 in forum: XJ Technical Chat
  21. JDS2121
    Post

    Stator and R/R test results.

    Plunked down the cash for a new battery, have it charging right now and with any luck I'll be able to test everything with a fully charged...
    Post by: JDS2121, May 4, 2015 in forum: XJ Technical Chat
  22. JDS2121
    Post

    Stator and R/R test results.

    Replacement Reg/Rect tested as battery at brown when on, and green tested as 10.3v. I'm going to say that the replacement is toast. Just on a whim...
    Post by: JDS2121, May 3, 2015 in forum: XJ Technical Chat
  23. JDS2121
    Post

    Stator and R/R test results.

    I did get a connector, so the Reg/Rect is removable once again. As for the charging, before I started all this work it did charge, but not to the...
    Post by: JDS2121, May 1, 2015 in forum: XJ Technical Chat
  24. JDS2121
    Post

    Stator and R/R test results.

    That is the problem, the voltage starts off at roughly 11.80v measured at the battery and drops slowly no matter if its idling or at 2500 rpm....
    Post by: JDS2121, Apr 30, 2015 in forum: XJ Technical Chat
  25. JDS2121
    Post

    Stator and R/R test results.

    I replaced rotor, brushes, and rectifier the other night. Started bike and it still wasn't charging, went ahead and swapped out the stator...
    Post by: JDS2121, Apr 29, 2015 in forum: XJ Technical Chat
  26. JDS2121
    Post

    Stator and R/R test results.

    Thanks, went ahead and got the used rotor/stator combo, also went out and got 1500 grit sandpaper which I hope will do the polishing job, and last...
    Post by: JDS2121, Apr 5, 2015 in forum: XJ Technical Chat
  27. JDS2121
    Post

    Stator and R/R test results.

    One of the brushes is worn far more than the other is, and it doesn't appear to have oil in there. Lots of dust from the brush though. My father,...
    Post by: JDS2121, Apr 5, 2015 in forum: XJ Technical Chat
  28. JDS2121
    Post

    Stator and R/R test results.

    Today on a break between shifts I finally got around to testing the rotor. At first I got a reading of higher than 5 ohms, and so I took one of my...
    Post by: JDS2121, Apr 4, 2015 in forum: XJ Technical Chat
  29. JDS2121
    Post

    Stator and R/R test results.

    Yes it failed the 14.5v test. I should have been more specific. I can disconnect the brown, green, and 3 white wires from the stator. Tonight...
    Post by: JDS2121, Apr 1, 2015 in forum: XJ Technical Chat
  30. JDS2121
    Thread

    Stator and R/R test results.

    Since I did more digging and testing I suspect my charging system on my XJ550 was to blame for my engine cutting out. I haven't cracked it open to...
    Thread by: JDS2121, Apr 1, 2015, 18 replies, in forum: XJ Technical Chat
  31. JDS2121
    Post

    XJ550 Maxim Engine stops when warm.

    Popping the gas cap had no effect. Couldn't restart it afterwards either. I'm now more leaning towards a bad R/R that's causing the battery to not...
    Post by: JDS2121, Mar 31, 2015 in forum: XJ Technical Chat
  32. JDS2121
    Thread

    XJ550 Maxim Engine stops when warm.

    I had to replace the coils because one was cracked and the other one was toast. Since replacing the coils with Dynatek 3 ohm mini's when the...
    Thread by: JDS2121, Mar 31, 2015, 27 replies, in forum: XJ Technical Chat
  33. JDS2121
    Thread

    XJ550 oil leak

    Today as I got outside and gave the XJ550 Maxim a once over while planning out how to mount the new Dyna mini coils I purchased I noticed a slow...
    Thread by: JDS2121, Mar 25, 2015, 1 replies, in forum: XJ Technical Chat
  34. JDS2121
    Post

    '81 XJ550 Maxim Ignition Woes

    Not sure if I made a mistake or not but I decided on the Dyna DC1-2 3 ohm mini coils for my replacements. At first I'm going to try to use the...
    Post by: JDS2121, Mar 21, 2015 in forum: XJ Technical Chat
  35. JDS2121
    Post

    '81 XJ550 Maxim Ignition Woes

    That's reassuring to hear. Now I just have to focus on which plug wires, and plug caps to use to get things going again.
    Post by: JDS2121, Mar 21, 2015 in forum: XJ Technical Chat
  36. JDS2121
    Thread

    '81 XJ550 Maxim Ignition Woes

    I know for a fact I have to replace the 1-4 coil. Testing on the primary was 3.7 ohms and the secondary is infinite. The cap for 1 tested at...
    Thread by: JDS2121, Mar 20, 2015, 5 replies, in forum: XJ Technical Chat
  37. JDS2121
    Thread

    1981 XJ550 Maxim Dyna Coils.

    I'm pretty certain my stock coils are junk as they both tested 3.7 and 3.8 ohms each on the primaries and infinite resistance on the secondary....
    Thread by: JDS2121, Mar 18, 2015, 0 replies, in forum: XJ Modifications
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