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spark

  1. Toomanyprojects
    Thread

    Spark Plugs And Wires

    So I recently got a 1981 xj650 . It will crank all day but never actually fire over. It currently has a 2 carb conversion with carbon fiber...
    Thread by: Toomanyprojects, Oct 15, 2026 at 9:37 AM, 0 replies, in forum: XJ Technical Chat
  2. Twill864
    Thread

    Sudden No Spark Issue? XJ700-X

    Hello, I have an 85 that has been a nice rider, 2-3 years ago we reshimmed all the vales since it was at 30K miles, installed new Dyna Mini...
    Thread by: Twill864, Jun 30, 2026, 0 replies, in forum: XJ Technical Chat
  3. j_ham
    Thread

    XJ550 not starting

    Time for another "my bike won't start" thread I've got an '82 XJ550 project bike I picked up a while back and have not been able to get it to...
    Thread by: j_ham, Sep 5, 2022, 6 replies, in forum: XJ Technical Chat
  4. BKthickburger
    Thread

    Issues With Acceleration and Idle

    Hi Everyone, My XJ has been running great this last season, but after the last ride I went on, it started showing performance issues. When I...
    Thread by: BKthickburger, Jul 29, 2022, 8 replies, in forum: XJ Technical Chat
  5. Shabby cube
    Thread

    HELP! Is having a rev limiter necessary? Digital speedometer install.

    Hi fellow old bike fetishists! So I'm building an XJ 900 1983 scrambler/brat style bike. Currently I am in the process of replacing the original...
    Thread by: Shabby cube, Jan 6, 2021, 137 replies, in forum: XJ Modifications
  6. Jayman6909
    Thread

    Need Help - XJ550 Seca - Wont Start - Make me a believer!

    Hey guys, I cant get my legend to start - 83, Seca 550 Yes I am new to the forum world, and it hasnt been without countless hours saying I can...
    Thread by: Jayman6909, Dec 26, 2019, 2 replies, in forum: Hangout Lounge
  7. William Thompson
    Thread

    Not firing on cylinders one and four

    Hi all, I'm in the Pittsburgh area and have a 1981 xj650 maxim. It was running great till the other day when it decided to no longer work on...
    Thread by: William Thompson, Sep 18, 2019, 51 replies, in forum: XJ Technical Chat
  8. Dtperrell
    Thread

    Weak Spark

    I have an 81 XJ550 Seca that I have fighting to make run for a while now. I cleaned and soaked the carbs and replaced the seals for the throttle...
    Thread by: Dtperrell, Jan 28, 2019, 24 replies, in forum: XJ Technical Chat
  9. ZachVanMatre
    Thread

    82 XJ550 Seca Starter issue

    So my wife did something amazing and bought me a bike. It's my first one other than dirt bikes growing up, so I'm really excited, but it doesn't...
    Thread by: ZachVanMatre, Aug 22, 2018, 35 replies, in forum: XJ Technical Chat
  10. Dflynn926
    Thread

    No spark 1982 xj750

    Hello all! I picked up an82 xj750 a few months ago. I am having some issue with spark. I am getting spark on 2 and 3. I get spark on 1and 4 when I...
    Thread by: Dflynn926, May 13, 2018, 16 replies, in forum: XJ Technical Chat
  11. 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
  12. The Bingles
    Thread

    XJ650 maxim IC Ignitor

    My 1982 650 maxim (YICS) requires a new IC Ignitor as plugs 2 & 3 don't spark. The unit I took off is type TID14-06 5G2-10, #109. Is this correct...
    Thread by: The Bingles, Jul 29, 2017, 5 replies, in forum: XJ Technical Chat
  13. Morgan
    Thread

    81 xj550 no spark/won't start

    Hey guys. New guy here. Bought an 81 xj550 Seca from a storage locker a few years ago. No gauges, some lame twisted handlebars, no hand controls,...
    Thread by: Morgan, Apr 27, 2017, 19 replies, in forum: XJ Technical Chat
  14. 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
  15. Jeff Roberts
    Thread

    Poor Spark/No Spark

    Hi all I am doing up a 1982 XJ550 and I have been trying to make sure I even get spark when it turns over before I start pulling the Carbs apart...
    Thread by: Jeff Roberts, Aug 30, 2016, 6 replies, in forum: XJ Technical Chat
  16. 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
  17. 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
  18. Jeff Roberts
    Thread

    The Redback Bobber

    Hi Thought I might ask for some good advice from you all. I recently bought a 1982 XJ550 that was found in a barn and hasn't moved since 2001. I...
    Thread by: Jeff Roberts, May 5, 2016, 2 replies, in forum: XJ Modifications
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