• This community needs YOUR help today!

    With the ever-increasing fees of maintaining our vibrant community (servers, software, domains, email), we need help.
    We need more Supporting Members today.

    Please invest back into this community to help spread our love and knowledge of all aspects of IH Cub Cadet and other garden tractors.

    Why Join?

    • Exclusive Access: Gain entry to private forums.
    • Special Perks: Enjoy enhanced account features that enrich your experience, including the ability to disable ads.
    • Free Gifts: Sign up annually and receive exclusive IH Cub Cadet Tractor Forum decals directly to your door!

    This is your chance to make a difference. Become a Supporting Member today:

    Upgrade Now

'85 782 carb # for original K17

IH Cub Cadet Tractor Forum

Help Support IH Cub Cadet Tractor Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

tkhoffman

Well-known member
Joined
Oct 2, 2013
Messages
639
Location
Northern NEW YORK
displayname
Tony Hoffman
Tug kind of let me down today. It ran great all winter and fine a week ago. This morning, a little hard starting, had to fiddle with the Choke which I never have to do. Even after it was warm, it just wasn't happy. I nursed it along to accomplish what I needed. Just wondering, before I pull it off, if there was just one carb that was piton the K17 in '85. I had the carb apart about 10 years ago... Just cleaned it up and reinstalled ran great until this morning. It revs up quick and sharp so I'm guessing,
fuel pump is not the issue. While running it has a low sound bubbly sound. A low tone popping. If I knew the part number of the carb I can relearn the three adjustment screws. Idle screw is obvious bit the other two, I'm not sure of any more.
 
On a Carter/Kohler fully adjustable carb, the mixture screw on the top is the main high speed mixture screw. The mixture screw angled on the side is for the idle. Make sure the high speed adjustment is performed before the idle, and the adjustment is done with the engine fully warm.
 
Thanks.....
Update.. Took the carb off. ONLY numbers to be with founding body was 5247805.
The holes in main jet/needle valve looked clear, emulsion tube holes looked clear, bowl had no 'crap' in it. The angled needle valve looked clean. So, no smoking gun here. Sprayed everything with carb cleaner, blew it dry, reassembled.
A couple of cranks to get fuel in the bowl and Tug runs happy again.
My only thought is that the engine is bad on blow-by threw the breather. Maybe enough oil drained down to get in the way of some of the tiny holes in emulsion tube and main jet. I added a tube to run the Breather outside of the air cleaner.

1811CUB, this carb has three adjustment screws.. Vertical= main high speed, horizontal= idle screw and angled, which must be Low idle air. The previous owner(s), we're hard on both needles. The tips are a bit chewed.
 

Attachments

  • IMG_20230529_073019.jpg
    IMG_20230529_073019.jpg
    352 KB · Views: 0
Back
Top