EVO EFI Idle speed
Stellar HDF Member
Joined: Feb 2007
Posts: 2,558
Likes: 280
From: Russellville, Arkansas
Yea....the cold idle set screw is up top and the hot idle screw is lower right hand corner of the throttle body.
The set screw isnt always an Allen either....lots are Torx.
Harley went through several idle setting procedures before dumping that system in 2001. Of course, some have their own way of setting the idle. I finally settled on the 2001 way.....it stays that way longer I my opinion.
My opinion.....confirm the TPS is set correctly. If the screws are still filled with glue, chances are its set right. Definitely worth checking. Theres a great YouTube video showing the TPS adjust.
The set screw isnt always an Allen either....lots are Torx.
Harley went through several idle setting procedures before dumping that system in 2001. Of course, some have their own way of setting the idle. I finally settled on the 2001 way.....it stays that way longer I my opinion.
My opinion.....confirm the TPS is set correctly. If the screws are still filled with glue, chances are its set right. Definitely worth checking. Theres a great YouTube video showing the TPS adjust.
Seasoned HDF Member
Joined: Aug 2008
Posts: 5,081
Likes: 2,159
From: Ohio
Yes sir, used the gasket for a template to drill the hole, also noticed engine idle would drop 100 rpms when putting the air filter back in.
Stellar HDF Member
Joined: Feb 2007
Posts: 2,558
Likes: 280
From: Russellville, Arkansas
With the factory air filter and the factory backing plate....I did notice a difference in RPM.
With the SE air filter and their backplate....my RPM stayed the same after resetting the idle.
With the SE air filter and their backplate....my RPM stayed the same after resetting the idle.
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