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TC 88 2002 Heritage Engine Problems

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Old Sep 27, 2014 | 09:17 AM
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Cool TC 88 2002 Heritage Engine Problems

My Heritage overall runs great. But I can be going down the road and it will spit like it's lost some kind of suction and feels like I hit the brakes almost. Then it goes back to running fun. I can be sitting idling to take off and let the clutch out and it will cut off dead. But will fire back up and go like nothing happened. What is causing this ?

KC

2002 Harley Heritage Classic
Twin Cam 88
 
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Old Sep 27, 2014 | 03:00 PM
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Carbureted or EFI?
 
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Old Sep 27, 2014 | 05:12 PM
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Carbureted...it's been rebuilt by a bike mechanic but still has the problem. Not as bad, but it still does it.
 
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Old Sep 27, 2014 | 05:49 PM
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I know that a lot of the earlier Twin Cam bikes had trouble with the main breaker. It would "open," cutting all power, and then reset itself almost instantly. I don't know if '02 was one of the affected years or not, but the breaker can be had for cheap at any auto parts store and it's a ten minute "fix." I'm not normally a fan of taking shots in the dark but in this case it might be worth it.
 
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Old Sep 27, 2014 | 05:53 PM
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That almost sounds like an intermittent miss from the ignition switch. Can you induce it by wiggling the switch a little bit back and forth while riding?
 
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Old Sep 27, 2014 | 05:55 PM
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Thank you. I will see if I can find it and a part number (Wiring Diagram)
 
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Old Sep 27, 2014 | 05:57 PM
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Originally Posted by Stiggy
That almost sounds like an intermittent miss from the ignition switch. Can you induce it by wiggling the switch a little bit back and forth while riding?
Funny you say that..I was thinking something along those lines....Haven't tried wiggling the switch but I will...when it does it...it sounds like it's gasping for a breath of air / and feels like I am hitting my brakes at the same time.....then runs like nothing happened. Usually cuts off at take off, or does what I described at a slower speed.
 

Last edited by kc2002; Sep 27, 2014 at 06:01 PM.
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Old Sep 27, 2014 | 06:02 PM
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Originally Posted by Stiggy
That almost sounds like an intermittent miss from the ignition switch. Can you induce it by wiggling the switch a little bit back and forth while riding?
Yeah. Replace the ignition switch. Been there, done that...
 
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Old Sep 27, 2014 | 06:20 PM
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Shorted ignition switches were pretty prevalent with early Evo Softails where the dash was a two-piece affair and the switch mounted to the base plate but it hasn't really been a problem since they went to the one-piece dash. I'm not saying that it can't be your problem by any means, but it's not something that I would suspect right off the bat.
 
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Old Sep 27, 2014 | 06:38 PM
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Originally Posted by MSP Dan
Shorted ignition switches were pretty prevalent with early Evo Softails where the dash was a two-piece affair and the switch mounted to the base plate but it hasn't really been a problem since they went to the one-piece dash. I'm not saying that it can't be your problem by any means, but it's not something that I would suspect right off the bat.
Sent you a PM Dan.
 
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