sometimes i get an intermittent miss on my 94 kat 600, it isnt as extreme as this one sounded but i am wondering if it is the same thing?
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Originally posted by Alex_750 View PostWell it turns out it was the coils. They replaced the battery too because it was crap.
I hate to dig up old posts but I have a question on this one..... The bike has 4 cylinders which are powered by 2 coils....... #1 coil fires 2 cylinders out of the 4. #2 coil fires 2 cylinders out of the 4. You had #1,2 & 3 firing but #4 was dead. How can the repair shop have a diagnosis of bad coils????? Wouldn't it be that if you had a bad coil you would have 2 out of the 4 cylinders dead?????
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Originally posted by Alex_750 View Postconnectors. I started the bike back up and it's still doing the same thing.
It started and ran fine on all 4 cylinders, then after a while it started running like a cylinder was missing. The #1 and #4 cylinders started to go cool
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Originally posted by Alex_750 View PostWell I checked the plugs... the ones that were in there were practically brand new and they all looked perfect. I replaced them with properly gapped new plugs from the dealer anyway. I checked and used dielectric grease at all connections at the caps, coils, and even the coil connectors. I started the bike back up and it's still doing the same thing.
It started and ran fine on all 4 cylinders, then after a while it started running like a cylinder was missing. The #1 and #4 cylinders started to go cool while the #2 and #3 were 450 ish. I thought I might have a bad coil but it tested OK as per the shop manual. I put it back together one more time and only the #4 is running cool again.
I don't know if I've ruled out an ignition problem or if this is carburetor related. The problem is intermittent, and I can't run the bike with the tank off.
I don't know what to do next short of towing it to a shop.
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I'm digging this up because I had this problem before but it was my coil wire on #4 was loose. Now I'm here again because #4 died on me again but the bike runs smooth with no miss. I went right to the wire again but I had excellent spark. I did the spit test and I didn't like what I saw....again.
Did you ever un-stick a float without pulling the carbs apart??? Possibly drain the bowls and give it a quick shot of compressed air in the fuel line??? I really don't want to take the carbs off again.
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My problem ended up being in the wiring between the CDI and the coil pack that controls #1 and #4. I suggest you check all your high voltage AND low voltage connections to make sure they are all clean and tight.
I know it sounds stupid, but I thought I checked all mine good enough and now I'm $400 less than where I started when the actual fix cost $0. Learn from my mistake, now I have an extra CDI box that I'm stuck with because I didn't check the wiring well enough.
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