185 loses power under load

IH CUB Lo-Boy Series - 154, 184, 185 Forum -- Questions and answers to all of your Lo-Boy related issues.

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LiL' Red
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Re: 185 loses power under load

Postby LiL' Red » Sun May 31, 2015 2:12 pm

Carb cleaning and or rebuild.

Larry B
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Tractors Owned: IH 184
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Re: 185 loses power under load

Postby Larry B » Sun May 31, 2015 6:18 pm

Before you pull the carb off you could try removing the main jet from the bottom of the carb and cleaning it. Takes a 1/2" wrench and a piece of thin wire. This is a pretty common problem with cubs. the fuel system is "old schiool" and does not use a modern fuel filter. I retrofited my 184 and a couple other guys cubs with a lawnmower type fuel filter and it cured all the problems with having to clean the main jet 3 or 4 times a year. If it idles fine but only runs with partial choke at full throttle it usually means the main jet needs cleaned. Check the sediment bowl too.

Larry B

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