Igniter, pickup coil or spark plug coil? - Page 2 - Triumph Forum: Triumph Rat Motorcycle Forums
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post #11 of 28 (permalink) Old 05-13-2012, 09:06 AM
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Quote:
Originally Posted by oddsteven View Post
It's not a fueling issue. I did the ARK a year and a half ago and have sussed out the jetting. It has 10-15K miles on it with the current jetting and this just started. It has happened at various throttle opening positions.
Fair enough.

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post #12 of 28 (permalink) Old 05-13-2012, 09:14 AM Thread Starter
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Fair enough.
Are you The Pieman that reprograms igniters? Once it starts to go bad doesn't it have to be replaced entirely, reprogramming wouldn't work if the thing is dying, correct?

"The possession of power inevitably spoils the free use of reason." Immanuel Kant
That explains why the sportbikers are driving like lunatics . . .
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post #13 of 28 (permalink) Old 05-13-2012, 09:23 AM
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You are correct, once they've gone, they've gone. Re-programming doesn't generally bring them back to life.

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post #14 of 28 (permalink) Old 05-13-2012, 10:57 PM Thread Starter
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One more piece to the puzzle. Today after gassing up I started it, put it in gear and it stopped running - sidestand switch, except the sidestand was up. Put it in neutral and it started, put it in gear and it ran. Could the sidestand switch be the intermittent problem? If it was only for a split second it should be the same symptoms otherwise. Time to try the paperclip trick.

"The possession of power inevitably spoils the free use of reason." Immanuel Kant
That explains why the sportbikers are driving like lunatics . . .
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post #15 of 28 (permalink) Old 05-14-2012, 10:21 AM
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Here's an old thread on cleaning the sidestand switch:

https://www.triumphrat.net/blogs/twin...weak-items-37/

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post #16 of 28 (permalink) Old 05-14-2012, 07:11 PM Thread Starter
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Thanks for the thread. I found the connector behind the left side cover as advertised. Dern if I can disconnect it to see about bypassing it temporarily to check my theory. It appears that somehow after 62K miles it's fused into a solid piece of plastic. I know I can always just clip the wires and solder them together but I was interested in testing it first to check. Oh well, I did lube the mess out of the switch itself with WD40.

"The possession of power inevitably spoils the free use of reason." Immanuel Kant
That explains why the sportbikers are driving like lunatics . . .
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post #17 of 28 (permalink) Old 05-15-2012, 07:12 AM
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did you check the little black rubber caps on the carburetor, could be sucking air through them if they are old and dried out, i replace mine pretty regular.

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post #18 of 28 (permalink) Old 05-15-2012, 10:51 PM Thread Starter
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did you check the little black rubber caps on the carburetor, could be sucking air through them if they are old and dried out, i replace mine pretty regular.
No I did not because it's an obvious ignition issue...worth looking at all the same.

I did finally get the sidestand safety switch bypassed. It seemed to work much better without it. I'm not 100% sure that it was the problem as it may have misfired once en route home, but usually it does it 3 or 4 times on the trip. I will check the bypass connection tomorrow morning if I have time before I head to work to make sure that the high tech jumper (aka paper clip) hasn't gotten a little loose.

"The possession of power inevitably spoils the free use of reason." Immanuel Kant
That explains why the sportbikers are driving like lunatics . . .
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post #19 of 28 (permalink) Old 05-16-2012, 09:29 AM
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I don't want to start-up another round of Coilgate, but I do not think the ignitor module is the 'likely' source of your problem.

If you have had your carbs apart at some point (and who hasn't?), there is a possibility that the vacuum piston is not seated properly into the carb body and/or the spring spacer (aka: spider) has one of its legs blocking the bleed orifice at the bottom of the piston. These would cause the engine of misfire. Worth checking.

/M

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post #20 of 28 (permalink) Old 05-16-2012, 11:32 AM Thread Starter
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Originally Posted by Retro-Racer View Post
I don't want to start-up around round of Coilgate, but I do not think the ignitor module is the 'likely' source of your problem.

If you have had your carbs apart at some point (and who hasn't?), there is a possibility that the vacuum piston is not seated properly into the carb body and/or the spring spacer (aka: spider) has one of its legs blocking the bleed orifice at the bottom of the piston. These would cause the engine of misfire. Worth checking.

/M
yabbut -I've put something like 10,000 miles on it since I fooled with the carbs, and the problem popped up very recently. It certainly doesn't act like a fueling problem.

"The possession of power inevitably spoils the free use of reason." Immanuel Kant
That explains why the sportbikers are driving like lunatics . . .
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