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Discussion Starter · #1 ·
I have weak to no spark on my front cylinder. Swapped plugs, no change. Swapped wires, no change. Swapped coils and spark units - no change. Here's the weird thing. When I leave all four plugs in, and then use a spare plug, I get a nice healthy spark. But if I pull the plug from the cylinder and try to fire it, nothing - except for an occasional weak spark.
 

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When you say "swapped", do you mean moved around or replaced? Some older non-wire plug wires don't hold up well over time and with constant movement from air. Pull an auto plug wire and try again to see if there is improvement.
 

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Discussion Starter · #3 ·
Dave - I replaced them around 2 months ago. Both wires to the front cylinder... when I thought that might be my issue (turned out to be pulse generator).
 

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Discussion Starter · #5 ·
Landon - yeah, I fixed the pulse generator about a month ago. And I think I figured out the problem with my plugs. They were wet, and combined with a worn down battery from trying to get it started today - I think that's the problem. Anyway, I was working on my carbs and think I got it all finally fixed today. It's been a great year for learning about the mechanics of this bike - 83 750. Thanks for the help fellas!
 
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