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Discussion Starter · #1 ·
Hello all I'm new here
I'm having trouble with cb360 left cylinder only fires when plug is half way out
New coils
New condenser
New battery
Timing is good
Spark plug gap is good
I'm not sure what else to do
Any advice would be helpful
Thank you
Here's video of on YouTube

 

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You're changing the resistance when you lift the plug cap away from the plug, causing it to jump a gap twice - once outside and then again inside. That often helps a weak or partially-fouled plug fire. Try a couple new plugs and see how it acts. Plugs can fail under compression that appear to spark just fine when out of the head. BTW, you're a brave man just holding that plug lead with your bare hand... plug wires and caps have been known to leak spark as well and they always look for the path of least resistance
 
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