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ignition

  1. Duck_Newton
    Thread

    1982 SECA 650

    Hey y’all, I got a weird issue going on with my 82’ Seca 650. It’s intermittent but there have been times where just turning the key causes the...
    Thread by: Duck_Newton, Sep 10, 2025, 3 replies, in forum: XJ Technical Chat
  2. lechski91
    Thread

    ‘86 XJ700 - Primary coil exchange wiring

    Hi all! I have a quick question regarding a replacement of an 1986 XJ700 primary coil (cylinders 1 &4). I received a “universal” coil from the...
    Thread by: lechski91, May 19, 2024, 2 replies, in forum: XJ Technical Chat
  3. lechski91
    Thread

    '86 XJ700 - Ignition issue (no spark)

    Hi all! New season, new issues with my 1986 XJ700. Last season went in the end without having the need to clean the carbs. I used the bike...
    Thread by: lechski91, May 8, 2024, 7 replies, in forum: XJ Technical Chat
  4. joejr2
    Thread

    Repairing relays

    I completed my xj750seca project, looks great. I'll post pics soon. Anyway, I have an xj650 that I almost finished a couple of years ago. The...
    Thread by: joejr2, Sep 14, 2023, 4 replies, in forum: XJ Technical Chat
  5. lechski91
    Thread

    XJ700 will not start after winter (not accu issue)

    Hi all, As in the topic, my XJ700S (1986 model, build year 1985) will not start. To give some background - it has a fairly new accu and that is...
    Thread by: lechski91, Mar 6, 2023, 8 replies, in forum: XJ Technical Chat
  6. j_ham
    Thread

    XJ550 backfires, won't start.

    Hi everyone. Been trying to get my '82 XJ550 project up and running for the coming season, but I just can't seem to get this ignition system...
    Thread by: j_ham, Feb 5, 2023, 18 replies, in forum: XJ Technical Chat
  7. Max83 XJ550
    Thread

    Blowing ignition fuse

    Hi all, I'm writing for the first time on the forum, though I read a lot of posts in the past year. I have been experiencing a problem since I...
    Thread by: Max83 XJ550, Oct 16, 2020, 29 replies, in forum: XJ Technical Chat
  8. Jacey Chavez
    Thread

    Electrical advice needed

    I have a 1982 Yamaha xj750 café racer build that had been working great for the month and a half that I've had it, but I went to the gas station...
    Thread by: Jacey Chavez, May 11, 2020, 4 replies, in forum: XJ Technical Chat
  9. claycing
    Thread

    85 XJ700 Won't Start (No Spark)

    I have a 1985 XJ700. When I got it, it worked great. I was riding it back and forth to work with no problem. One day after I got home from work...
    Thread by: claycing, Dec 31, 2019, 33 replies, in forum: XJ Technical Chat
  10. Thomas Dermako
    Thread

    Weak spark on 1 and 3 XJ650

    Hi all. Firstpost here. I just got an 82 650 that had been in dry heated storage for about 5 years. It ran when parked. The bike is generally very...
    Thread by: Thomas Dermako, Nov 23, 2019, 9 replies, in forum: XJ Technical Chat
  11. Rallemikken
    Thread

    XJ700X timing mod

    The pickups sits on a steel plate on the left side, and the plate is fixed with only two screws. I drilled two new holes, and removed the steel...
    Thread by: Rallemikken, Jul 27, 2019, 19 replies, in forum: XJ Modifications
  12. Jon Iszard
    Thread

    1985 xj700n running on 3 cylinders

    On the plus side, I am learning a lot about this bike. I recently rebuilt my carbs thinking my rough running problem was fuel related, but now...
    Thread by: Jon Iszard, May 1, 2019, 11 replies, in forum: XJ Technical Chat
  13. Trevanion
    Thread

    Coil power on outside of wire/spark boot?!?!

    1981 XJ750 SECA. Started running like crap, stumbling and losing power. Idling weird; sometimes low, sometimes high. (this was effected by my...
    Thread by: Trevanion, Apr 22, 2019, 11 replies, in forum: XJ Technical Chat
  14. 82750maxim
    Thread

    14a Fuse in ignition

    So after fighting some engine battles with this bike I finally got it running. Its a 1982 Xj750j. When I first went to fire up the bike I stuck...
    Thread by: 82750maxim, Mar 30, 2019, 13 replies, in forum: XJ Technical Chat
  15. Zachary Barton
    Thread

    Wanted Can somebody test my tci on their bike?

    Hey y'all. I have an '82 650 Seca that just lost spark on all 4. The coils pass resistance tests and battery in brand spanking new. I don't...
    Thread by: Zachary Barton, Feb 3, 2019, 3 replies, in forum: For Sale, Trade/Swap, Wanted
  16. 45RidingAn85
    Thread

    I thought the Colortune's process would be fun!

    First and foremost: this forum and all of you that make the collective body of community and knowledge are humanity at its best! haha maybe a lil...
    Thread by: 45RidingAn85, Jun 16, 2018, 8 replies, in forum: XJ DIY How-To Instructions
  17. tfunster
    Thread

    1982 xj750r problem

    I purchased a 1982 xj750R late last year and it was running when I took it for a short test drive. I trailered it home about 60 miles. When I...
    Thread by: tfunster, Jun 11, 2018, 2 replies, in forum: XJ Technical Chat
  18. Flying Dutchman
    Thread

    XJ650 seca 1982 ignition fuse issue (12A measured)

    Dear everybody, After a lot of struggles with the bike (holes in the exhaust, holes in the clutch side cover) I finally got around to replacing...
    Thread by: Flying Dutchman, Apr 11, 2018, 12 replies, in forum: XJ Technical Chat
  19. taptapindustries
    Thread

    XJ650 Seca spark diagnosis coil?

    Hi guys, I need a bit of technical assistance. bike is running a bit off. cylinders 3 and 4 are running cool @approx 85celcius. about 50 degrees...
    Thread by: taptapindustries, Mar 27, 2018, 14 replies, in forum: XJ Technical Chat
  20. trentgrasso
    Thread

    Xj550 nothing happening after relay replace.

    Xj550 Maxim, I shorted out a relay while riding and the bike would try to start but wouldn't roll over(no spark) and after replacing the relay not...
    Thread by: trentgrasso, Feb 6, 2018, 2 replies, in forum: XJ Technical Chat
  21. Jmkrull
    Thread

    Bike cranking forever to start and dies off throttle

    So, this just happened today. The bike was running perfectly fine and today when i go to start it, it took forever to start, just cranked and...
    Thread by: Jmkrull, Oct 22, 2017, 7 replies, in forum: XJ Technical Chat
  22. Johnius
    Thread

    Xj750 balking at 7000rpm

    1981 XJ750R runs pretty awesome when below 7000RPM and when quickly accelerated through that range. Slow throttle increase to 7000 reveals a...
    Thread by: Johnius, Sep 30, 2017, 8 replies, in forum: XJ Technical Chat
  23. Bleechmint
    Thread

    Electrical / Ignition Issues

    Hello all, 82-83 Yamaha Xj750 Maxim. I'm having a problem with the electrical system. It seems like cylinders 2 and 3 aren't firing. At least it...
    Thread by: Bleechmint, Jul 14, 2017, 4 replies, in forum: XJ Technical Chat
  24. Bleechmint
    Thread

    Ignition Issue.

    Hello all, 82-83 Yamaha Xj750 Maxim. I'm having a problem with the electrical system. It seems like cylinders 2 and 3 aren't firing. At least it...
    Thread by: Bleechmint, Jul 14, 2017, 1 replies, in forum: XJ DIY How-To Instructions
  25. DoubleTigerLefty
    Thread

    Failed coils? Probably not, but...

    ...open resistance on both HT leads to the coils -chopped a bit of the insulation back on the HT leads, multimeter reads open. MMeter...
    Thread by: DoubleTigerLefty, May 9, 2017, 22 replies, in forum: XJ Technical Chat
  26. Dr. Awesome
    Thread

    Question on complete re-wire of XJ750

    So I'm still working on my build thread... but I'm completely re-wiring my '82 XJ750 Maxim due to massive component replacement and electrical...
    Thread by: Dr. Awesome, Apr 8, 2017, 4 replies, in forum: XJ Modifications
  27. LGL
    Thread

    81 xj550 Can't get a spark

    Recently purchased an 81 xj550 and started turning it into a cafe racer. Re-wired the entire bike and had a working harness and a running bike. I...
    Thread by: LGL, Mar 11, 2017, 15 replies, in forum: XJ Technical Chat
  28. Charlie o
    Thread

    Voltage Drop at TCI. Weak spark / No Spark

    My umpteenth time trying to create this thread as it keeps getting marked as "Spam" ....... Got a 1981 XJ550. Getting voltage drop at the TCI,...
    Thread by: Charlie o, Mar 6, 2017, 16 replies, in forum: XJ Technical Chat
  29. Dr. Awesome
    Thread

    Ignition Coil Help on my XJ750 Maxim

    OK guys and gals, I was trying to check out my ignition coils and I am not sure what to expect. I saw that I would see about 11k ohm on both of...
    Thread by: Dr. Awesome, Oct 19, 2016, 7 replies, in forum: XJ Technical Chat
  30. XJrider650
    Thread

    brake lights quit working now blown ignition fuse

    Hello all, New to the forum so hello from Florida! I aquired a 1982 XJ650R Seca about 6 months ago and have slowly been turning it into a cafe...
    Thread by: XJrider650, Oct 1, 2016, 8 replies, in forum: XJ Technical Chat
  31. 9larsons
    Thread

    No Spark -- Bum Ignition Coils? High resistance.

    Hi all, First time posting here. I've done some poking about... as far as I can tell, I should be getting spark at the plugs (battery has fine...
    Thread by: 9larsons, Jul 31, 2016, 26 replies, in forum: XJ Technical Chat
  32. Brian82xj1100
    Thread

    Firing on 2 cylinders

    I have an 82' Maxim 1100. The other day we were riding and I lost spark to cylinders 1&4. I checked the coil and it's not bad. Bought a new pick...
    Thread by: Brian82xj1100, Jun 10, 2016, 3 replies, in forum: XJ Technical Chat
  33. Zaxbys
    Thread

    TCI upgrade options?

    After fighting a bike that would intermittently die, I came to the conclusion that the tci on my bike was defective (I've since torn out apart and...
    Thread by: Zaxbys, Jun 9, 2016, 24 replies, in forum: XJ Technical Chat
  34. wrenchmonkey
    Thread

    No Spark! (xj750rh)

    I have no spark from any leads. I have tried a spare ignition control box and checked out all relays. The only thing I can think of checking out...
    Thread by: wrenchmonkey, May 23, 2016, 10 replies, in forum: XJ Technical Chat
  35. Thomas Trautman
    Thread

    Firing On One Cylinder

    Hello, I've got a 1983 XJ750 that'd been sitting for 6 years in a shed. I've cleaned out the carbs (which were heavily gummed and corroded in the...
    Thread by: Thomas Trautman, Apr 8, 2016, 4 replies, in forum: XJ Technical Chat
  36. NZ-XJ550-Cafe
    Thread

    XJ550 Key Relocation

    hey I have an 82 XJ550 cafe racer project. Going for a simple clean build and the ignition barrel is pretty ugly on the triple tree I want to...
    Thread by: NZ-XJ550-Cafe, Mar 21, 2016, 2 replies, in forum: XJ Modifications
  37. XJAlex550
    Thread

    Push button Ignition switch.

    Hello there fellow XJ riders! So I've been following this forum for about a year now and haven't posted anything until now. I have been helped...
    Thread by: XJAlex550, Feb 4, 2016, 20 replies, in forum: XJ Modifications
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