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Main Jet Cleaning

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cub1947
10+ Years
10+ Years
Posts: 8
Joined: Mon Apr 07, 2003 3:43 pm

Main Jet Cleaning

Postby cub1947 » Tue Jul 06, 2004 8:47 am

After cleaning the entire fuel system and installing a filter , I still had a lean condition requiring slight choke to run well. Found that a #66 drill is the proper size to clean the main jet. Used in a pin vise it met slight resistance that proved to be deposits not touched by carb spray,removed only crud-no brass. Now it runs like a champ. As a side note, a Kohler fuel filter from TSC works very well with the gravity system.
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Arizona Mike
Cub Pro
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Posts: 1952
Joined: Tue Mar 11, 2003 9:16 pm
Zip Code: 85615
Tractors Owned: 6 Cubs and no mas.

1947 Circle series Farmall Cub with Armstrong lift, belt pulley, 5"rims 6" tires, SN 563

1949 Farmall Cub with high crop option and hydraulics

1955 Farmall Cub with fast hitch

1955 International Cub Loboy with fast hitch

1957 Farmall Cub with fast hitch

1959 Farmall Cub with fast hitch
Location: way high up in the Huachuca Mt. at the bottom of a deep dark canyon

Postby Arizona Mike » Tue Jul 06, 2004 10:45 am

cub1947,

Wouldn't a a good soaking in carb cleaner do the same thing. Just wondering as I am experiencing a similar problem having to run with choke slighly open.

Could you provide any more info on the Kohler fuel filter?

Thanks

Mike
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cub1947
10+ Years
10+ Years
Posts: 8
Joined: Mon Apr 07, 2003 3:43 pm

Main jet cleaning

Postby cub1947 » Tue Jul 06, 2004 12:40 pm

The stuff in the jet was hard and seemed impervious to solvent. The filter is for Kohler CV engined garden tractors that use gravity feed from a remote tank and was purchased from TSC. Looks like the plastic Fram but is made for gravity feed.
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sardad2002
10+ Years
10+ Years
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Joined: Tue Jul 06, 2004 11:45 pm

Postby sardad2002 » Tue Jul 06, 2004 11:48 pm

i have found that any inline filter will work just fine as long as you install it in a vertical position
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