RCU Forums - View Single Post - os .91 4 stroke
Thread: os .91 4 stroke
View Single Post
Old 07-13-2015 | 05:40 PM
  #2  
Gizmo-RCU
My Feedback: (27)
 
Joined: Sep 2002
Posts: 2,155
Likes: 0
Received 0 Likes on 0 Posts
From: Athol, ID
Default

Some of the older engines(pre Surpass) liked about 4 turns on the high speed needle. Too lean and they would/will backfire and spit the prop off!