Question about John Deere 420,1020,2010,2020,2510,2520 Tractor Float

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Adjusting carb on a 20 hp onan

Engine started to sputter at iddle and throttle up

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Posted on Jan 02, 2017

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  • 11 Answers

SOURCE: Engine floods and misses , at settings above 1/2

your carburator sounds like it is too rich it needs adjustement try turning the adjustement screws in all the way and back them out 1 and 1/2 turns and adjust from there

Posted on Apr 03, 2009

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bargainbin2
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SOURCE: My 420 with an onan runs great at half throttle, then bogs down.

Are you sure you did not get the jets in the wrong places when you cleaned that carburetor.

Posted on Aug 26, 2009

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