Broken idle tube

The Cub Club -- Questions and answers to all of your Cub related issues.
Forum rules
Notice: For sale and wanted posts are not allowed in this forum. Please use our free classifieds or one of our site sponsors for your tractor and parts needs.
Bob McCarty
Team Cub
Team Cub
Posts: 11957
Joined: Tue May 25, 2004 8:02 pm
Zip Code: 80501
Tractors Owned: Cubs, MH Pony, Shaw, Allis G, 1934 Silver King, JD LA and LI, Gibson D, David Bradley Tri-Trac
Circle of Safety: Y
Location: CO, Longmont

Re: Broken idle tube

Postby Bob McCarty » Mon Aug 02, 2021 4:13 pm

indy61 wrote:I'm not sure what the idle tube does but my Cub ran fine without one. I decided to rebuild mine when I noticed the top was warped and it had a broken/missing idle tube. Ran fine at idle or full throttle?

The calibrated orifice (.021") is in the threaded end. As long as the gasket seals around it, and the remaining piece of tube is not crushed, it may function correctly. I believe George Willer made that observation years ago.
"We don't need to think more,
we need to think differently."
-Albert Einstein

  • Similar Topics
    Last post

Return to “Farmall Cub”

Who is online

Users browsing this forum: Cecil, NJ Farmer and 3 guests