getting hot and cutting off

[black 82xj1100]

Well guys I thought I had my problem fixed on my xj. But yesterday in downtown traffic it quit on me. This thing runs soo good untill this happens
Something is apparently getting heat soaked and killing the ignition . I pulled a plug and checked for spark but no spark???
Has any of you guy's or gal's had this problem before?
I just got through changing out the starter relay on it and let it run for about 30 minutes and it died again ( its 89 degrees here)
I have noticed that when it does this the monitor system will not go through it's checks . It will do the first one and sometimes the second one then it lights them all back up like when the switch is just turned on by the key. Once it cools back down ( around 1hrs 45 min's to 2 hrs ) it will crank and go through the check no problem.

[DiverRay]

I would pull the seat and tank, and start looking at ALL of the connectors. I think the fuse block would be a VERY good start, if it is still the glass fuse type. From there, check the connectors behind the fuse panel, and the connector at the ignition switch.
It seems as if you are loosing just ignition, and NOT ALL battery function, correct?

[black 82xj1100]

I would pull the seat and tank, and start looking at ALL of the connectors. I think the fuse block would be a VERY good start, if it is still the glass fuse type. From there, check the connectors behind the fuse panel, and the connector at the ignition switch.
It seems as if you are loosing just ignition, and NOT ALL battery function, correct?

Right everything works except for the ignition. Motor spins nice and strong.
I replaced the coils when i bought it like 4 months ago with a set of mikes xs coils. The guy that had it before me had xs 1100 coils that need a balast resister and the xj's do not use a resister.
I later found out that he had cut the wires at the sidestand switch and twisted them together and put very little tape on them and they stoped about an eighth of an inch from the muffler. They were corroded so i cleaned them up and put a watertight seal connector on them and zipptied them to a better location away from the heat of the muffler,and have not had any trouble with it stopping ever since till now. I checked them yesterday when it stopped and they are still good.

[DiverRay]

Try and find the "ends" of the side stand wires, and use a VOM to verify that the connection you put on is still good. Next would be looking at a wire diagram, and trace down the ignition wire from one end to the other.
Don't forget to check the GROUND WIRES! Sometimes heat will expand something, and dirty connectors will up the resistance and cause the circuit to fail. I would ALSO CHECK the KILL SWITCH! I've had two go bad, so far. Old age gets to them, and the plastic just falls apart.

[black 82xj1100]

Try and find the "ends" of the side stand wires, and use a VOM to verify that the connection you put on is still good. Next would be looking at a wire diagram, and trace down the ignition wire from one end to the other.
Don't forget to check the GROUND WIRES! Sometimes heat will expand something, and dirty connectors will up the resistance and cause the circuit to fail. I would ALSO CHECK the KILL SWITCH! I've had two go bad, so far. Old age gets to them, and the plastic just falls apart.

Thanks I will try that. Those wires go to the sidestand relay right next to the starting relay. They look the same but they have different part numbers. I tried unpluging the sidestand relay before it got hot and shut down.But it will still crank with it unpluged so it seems the connection is still good.

[TopCatGr58]

Hey Black,

You said the PO had used the 1.5 ohm 78-80 series coils on your machine. Did he put a ballast resistor inline with the power line to the coils or did he just wire them in?? If he didn't use a Ballast Resistor, then there's a chance some damage may have been done to the TCI/Iggy box!? Sounds like it works when it's cold like you said, but when it heats up, there's possibly a resistor in it that's cracked, etc., and spreads apart breaking the connection. There are some other testing steps you can take to determine if it's the Iggy box once the bike stops running. You've put in the new MikesXS coils, so I doubt that they have gone bad. Find a reply by Randy, and then go to his profile, and then to his web site, check out the diagnostics steps.

I'm thinking that it's the TCI. Randy can test and repair the basic components, so if it's a resistor that's bad, he can find/fix it. It's only when the programmed chips and other stuff that can get damaged that he can't fix, can't program or get replacement Eproms/Proms!? Give him a PM IF he doesn't chime in on this post!
T.C.

[black 82xj1100]

Thats what I have come to the conclusion of myself He did not add the ballast resistor.
But the thing has been running flawless for a little over a month now since I fixed the sidestand wires. Blows my mind cause I have been in all kind of stop and go traffic and on long trips. Now my wife has motorcycle fever as bad as me. She's bummed out over not being able to go for a trip this weekend

[trbig]

Just my opinion here... but you can pick up a set of stock points for chump change. A TCI.. not so much so.. lol. The stock ones work just fine unless you're trying to make a hot rod.... but even then should work fine. They rarely go out.. and won't fry your high dollar, getting rare TCI.

But you know what they say about opinions..


Tod