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Old 07-29-2013, 06:33 PM
drhntrrmw's Avatar
drhntrrmw drhntrrmw is offline
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Join Date: Sep 2010
Location: Vermont
Posts: 117
Default carb won't adjust???

Hey everyone,
I've seen posts on carburetors not adjusting but couldn't find them.

I just rebuilt the carb on an original that wasn't running when I purchased it. It had been sitting for a few years. Got it ready for the first start, sediment bowl clean, checked for spark and cleaned and rebuilt the carburetor.

The tractor started with 3/4 choke and wouldn't run with any more or any less choke. I started with 1 1/2 turn out on idle and 2 turns out on main. When given the throttle it would spit and sputter.

As a test, I screwed the idle needle valve in all the way while it was running on 3/4choke and it made no change.

Any thoughts...I was thinking maybe the holes in the main needle valve didn't get completely clean.

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1968 Cub Cadet 72 w/fenders, headlights, rear grote, hydraulics, creeper, rear weight box, deck and QA-42 snow thrower

Spare NF hydraulics, Brinly harrow, Brinly moldboard plow

Lots of Cub Cadets have come and gone...
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