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  #21  
Old 4 Weeks Ago
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Quote:
Originally Posted by rocketmangb View Post
Damn Carburetors !
You need to work on your Carburetta Man, Super Hero Landing.
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  #22  
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I had a weird miss on my 2003 883 before, it ended up being worn out vacuum hoses, not broken , but cracked enough to seep air , and enough to create a miss on occasion .
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  #23  
Old 3 Weeks Ago
kitabel kitabel is offline
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IME problems that occur on high vacuum, and not WOT, are not electrical. More load makes the ignition quit, not improve.
No, it's not a sticking valve. Think about it...
I suspect a vacuum leak, manifold, intake guide. With engine idling, spray CO2, Argon, Freon, nitrogen all around the head - if the engine staggers it's an air leak.
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  #24  
Old 2 Weeks Ago
Tustan Tustan is offline
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Quote:
Originally Posted by kitabel View Post
IME problems that occur on high vacuum, and not WOT, are not electrical. More load makes the ignition quit, not improve.
No, it's not a sticking valve. Think about it...
I suspect a vacuum leak, manifold, intake guide. With engine idling, spray CO2, Argon, Freon, nitrogen all around the head - if the engine staggers it's an air leak.

Starting fluid works too. Just put a rag between where you are spraying it and the intake cover.


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