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Discussion Starter #1
I went to ride my sled this moring 79 skidoo everst 340. And it is running very strangely. It wont idle and when you rev it it seems to lag behind like i will get on the throttle and it will stay reved for a few seconds. It seems to run alright from mid to top but it wont idle I have cleaned the carb. And my bro checked the spark on the plugs and said they were good. I'm thinking its the timing. Anyother suggestions? It had ran fine a few days ago.
 

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The symptoms you describe sound like a lean condition. Check carb boots and gaskets it might be sucking air somewhere. Your crank seals could be bad too.
 

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Did you take the pilot jets out and make sure they are clean? It sounds like they are plugged. I am pretty sure this is the problem.
 

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Discussion Starter #4
Erick pilot jets are clean. The tming was slightly off so i adjusted it but i think idid a bad job cause only one cylinder fires now. So ill take it back apart sometime.
 

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Do they both fire at higher RPM's or is it just at idle that it only runs on one?
 
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