RCU Forums - View Single Post - New Evolution 10cc gas engine
View Single Post
Old 05-02-2014 | 04:00 PM
  #1768  
Pete Bergstrom
Senior Member
 
Joined: Apr 2002
Posts: 424
Likes: 0
Received 1 Like on 1 Post
From: Champaign, IL
Default

911mike

try going in about 1/4 turn on the idle screw and check it again. Once broken in the engine generally requires the low speed needle to go in (lean) 1/2-3/4 turn. You are probably far enough along in the break-in process to need some leaning on the low end.

Pete