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Discussion Starter · #1 ·
I can only start by fiddling with the throttle. Good spark,compression and fuel. Once running it’s rough idle, unplugged IAC motor and it didn’t change. I’m thinking it’s bad but it is controlled by the ECM. $900 for a new IAC motor 😳. Any info will help
 

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Discussion Starter · #2 ·
I can only start by fiddling with the throttle. Good spark,compression and fuel. Once running it’s rough idle, unplugged IAC motor and it didn’t change. I’m thinking it’s bad but it is controlled by the ECM. $900 for a new IAC motor 😳. Any info will help
2005 Yamaha 1100 H.O.
 

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I can only start by fiddling with the throttle. Good spark,compression and fuel. Once running it’s rough idle, unplugged IAC motor and it didn’t change. I’m thinking it’s bad but it is controlled by the ECM. $900 for a new IAC motor 😳. Any info will help
I would try to clean and lube the IAC.
 
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