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Old 10-06-2008, 09:16 PM   #2
shawn.m
Gone Wild
 
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Join Date: Aug 2007
Location: near sacramento,ca
Posts: 1,893
Default Re: 20hp Briggs "stumbles" on aceleration ?

mine has a stumble that has not gone away with a carb clean and richening up the idle. I think the the reason is that you only have a idle jet and main jet. I have the dual bore carb. I keep thinking of sending my carb off to ECC to get it fixed.

Our motors really are not designed to do part throttle if you think about it. they are designed to idle and then go full thorttle
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