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Question on kehein carb

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ken vitus

Member
Joined
Dec 24, 2023
Messages
12
Location
New york
On the cub cadet 2282 I picked up and am fighting. I finally got the engine to fire up and run, but it will only run with choke almost completely closed ( like 9/10's closed). I wanted to adjust the idle jets, but there AREN'T any. It has a new kehein 24 053 32 carb on it, bit where the adjustment screws should be are just brass inserts. What the heck? Did the previous owner ( who installed this carb, before he gave up on it a few years back) miss a step? Was he supposed to swap the screws from the old to the new? weird question, but I scratching my head over this.
 

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The 2284 is probably late enough in production that it has a non-adjustable idle jet. Only the earlier versions are adjustable.

Due to how lean these are set up to run for emissions, the carb has to be perfectly surgically clean or they will not run right. If it won't run without the choke on, there is no adjustment that is going to help you anyway. It needs to be disassembled and thoroughly cleaned. Get an aftermarket carb kit so you can replace all of the O-rings inside, as they will likely not survive the carb being taken apart. All of the horizontal shaft twin cylinder Commands use nearly identical carbs. Some of the larger engines had a accelerator pump, which really helps when engaging the deck on a mowing deck.

I've attached a Cub Cadet service bulletin that has some info about these carbs.
 

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  • Kohler_Command_Keihin_Carb_Service.pdf
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The 2284 is probably late enough in production that it has a non-adjustable idle jet. Only the earlier versions are adjustable.

Due to how lean these are set up to run for emissions, the carb has to be perfectly surgically clean or they will not run right. If it won't run without the choke on, there is no adjustment that is going to help you anyway. It needs to be disassembled and thoroughly cleaned. Get an aftermarket carb kit so you can replace all of the O-rings inside, as they will likely not survive the carb being taken apart. All of the horizontal shaft twin cylinder Commands use nearly identical carbs. Some of the larger engines had a accelerator pump, which really helps when engaging the deck on a mowing deck.

I've attached a Cub Cadet service bulletin that has some info about these carbs.
 
Hey, Thanx so much for the info. I dug around in the box of extra parts that came with the tractor, and found pieces of the old carburetor.. the old one DID have the adjustment screws, but the replacement one he got doesn't. Rather than rebuild this, I just gonna buy a Chinese one off eBay. They have one with the accelerator pump (but no adjustment) and one without accelerator pump ( and WITH adjustment screws). Not sure which one to go with.. they are basically the same price.
 
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