 Coil pack?
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Joined: Mar 2011
Posts: 46
Greenhorn
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OP
Greenhorn
Joined: Mar 2011
Posts: 46 |
Hi, I rode 10 mi today and the bike just cut off. Would not start back up. Trailered it home. It starts fine, rode half a mile and it cut off. No spark, cooled down then I had spark. Does this sound like the coils are bad? Bike runs great and gets fuel. 06 america. Thanks
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Re: Coil pack?
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Joined: Feb 2007
Posts: 23,225 Likes: 62
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,225 Likes: 62 |
Could be your pick up coil since both sides are losing fire.
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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Re: Coil pack?
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Joined: Jan 2005
Posts: 4,073 Likes: 82
Loquacious
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Loquacious
Joined: Jan 2005
Posts: 4,073 Likes: 82 |
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Re: Coil pack?
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Joined: Oct 2012
Posts: 459 Likes: 1
Adjunct
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Adjunct
Joined: Oct 2012
Posts: 459 Likes: 1 |
I would be leaning towards pick up coil as well. Generally a cdi failure starts with intermittent loss of spark to one cylinder, loss of spark to both and then being able to restart after a cool off period is a sign of pick up coil failure.
2006 865 Neon Blue/Jet Black Speedmaster,790cams, TTP Stage 2 Firestarter, Epco Exhaust with 10.25" Samson Vrod baffles, UNI pods with 40 pilots, 150 mains,Thruxton needles, 3 turns out.
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Re: Coil pack?
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Joined: Mar 2011
Posts: 46
Greenhorn
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OP
Greenhorn
Joined: Mar 2011
Posts: 46 |
Thanks, i just checked it with a multimeter. Its a bad ignition pickup.
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Re: Coil pack?
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Joined: Jan 2005
Posts: 4,073 Likes: 82
Loquacious
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Loquacious
Joined: Jan 2005
Posts: 4,073 Likes: 82 |
Symptom wise I agreed it pointed towards the pick up coil but I can say I've never seen a bad one. So this one as far as I remember anyway, is my first. Hope you get it sorted out 
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Re: Coil pack?
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Joined: Feb 2007
Posts: 23,225 Likes: 62
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,225 Likes: 62 |
I have seen 2 so far, one was a member here who tested it in water. It was fine cold but when heated it failed , another reason his description put the pick up coil in my mind. So far every CDI failure I have seen the bike drops one side but still runs, at least at first.
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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Re: Coil pack?
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Joined: Jan 2005
Posts: 4,073 Likes: 82
Loquacious
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Loquacious
Joined: Jan 2005
Posts: 4,073 Likes: 82 |
Both mine and Mikes bike had similar cdi issues, would just not start sometimes.. spins but no spark. Cycle the ignition and they were good to the next shut down. Then the dice roll begins again.. maybe it will maybe it won't.
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Re: Coil pack?
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Joined: Jan 2005
Posts: 5,268 Likes: 16
Saddle Sore
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Saddle Sore
Joined: Jan 2005
Posts: 5,268 Likes: 16 |
I've had my share of these gremlins for sure. My first go to is the CDI.
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Re: Coil pack?
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Joined: Oct 2012
Posts: 459 Likes: 1
Adjunct
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Adjunct
Joined: Oct 2012
Posts: 459 Likes: 1 |
When my CDI failed around the 40,000 mile mark the left cylinder would intermittently cut out, kick in again, then cut out again. It always started though. I have not personally had a pick up coil fail but I have read of a few accounts on here and on the rat sight where people's bikes would die after running, be able to restart after sitting for a bit(the bike/pick up coil cools down), then die again. With those symptoms the pick up coil has always been the culprit. I believe sometime in the mid 2000s Triumph recommended the pick up coil gap be set to 08.mm from the previous 1.0mm and people say that greatly reduced failures.
Last edited by JD13; 02/15/2017 2:06 PM.
2006 865 Neon Blue/Jet Black Speedmaster,790cams, TTP Stage 2 Firestarter, Epco Exhaust with 10.25" Samson Vrod baffles, UNI pods with 40 pilots, 150 mains,Thruxton needles, 3 turns out.
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Re: Coil pack?
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Joined: Feb 2008
Posts: 2,671 Likes: 15
Loquacious
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Loquacious
Joined: Feb 2008
Posts: 2,671 Likes: 15 |
Quote:
...I believe sometime in the mid 2000s Triumph recommended the pick up coil gap be set to 1.0mm from the previous 0.8mm and people say that greatly reduced failures.
You have it backwards...the original air gap spec was 1.0mm & the revision is 0.8mm...
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Re: Coil pack?
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Joined: Oct 2012
Posts: 459 Likes: 1
Adjunct
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Adjunct
Joined: Oct 2012
Posts: 459 Likes: 1 |
Quote:
Quote:
...I believe sometime in the mid 2000s Triumph recommended the pick up coil gap be set to 1.0mm from the previous 0.8mm and people say that greatly reduced failures.
You have it backwards...the original air gap spec was 1.0mm & the revision is 0.8mm...
You are correct, sorry about that. I edited my post to reflect the correct specs.
2006 865 Neon Blue/Jet Black Speedmaster,790cams, TTP Stage 2 Firestarter, Epco Exhaust with 10.25" Samson Vrod baffles, UNI pods with 40 pilots, 150 mains,Thruxton needles, 3 turns out.
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Re: Coil pack?
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Joined: Feb 2008
Posts: 2,671 Likes: 15
Loquacious
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Loquacious
Joined: Feb 2008
Posts: 2,671 Likes: 15 |
Quote:
...I edited my post to reflect the correct specs.
Good man. 
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