40 johnson sputter

M

mtracker

Recruit
Joined
Mar 19, 2007
Messages
1
I have a 92 40 johson that will not idle it runs great at 1/2 and full throttel. When I try to idle I get a poping or a sputter from one carb. I have trided changing plugs this hellped a little. Any suggestions would be appericated.
thanks, MTRACKER
 
Captain Jeff

Captain Jeff

Petty Officer 2nd Class
Joined
Jun 15, 2005
Messages
159
Re: 40 johnson sputter

I'm not super familiar with this exact engine model but it sounds like your low speed carb jet could be clogged or adjusted improperly. It may be running great at 1/2 and full throttle because it is switching to the higher speed jets which are fine.
 
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