Evinrude carb swap

alumacraft74

Cadet
Joined
Jun 21, 2007
Messages
11
Will a 1978 johnson 35hp carb fit a 1974 Evinrude 25hp?My carb(25hp) has a bad throttle shaft(lots of play).I've found a carb off of a 1978 johnson 35hp that is cheaper than ordering a throttle shaft for mine .If it works will I have to do anything special or just bolt up and go?Thanks for the information."MERRY CHRISTMAS" everyone. chad
 

alumacraft74

Cadet
Joined
Jun 21, 2007
Messages
11
Re: Evinrude carb swap

Will it be too rich like fouling plugs at idle.I need it o idle for trolling purposes.Anything i can do too fix the rich condition such as jet change,etc.Thanks again Chad
 

HighTrim

Supreme Mariner
Joined
Jun 21, 2007
Messages
10,486
Re: Evinrude carb swap

gapping the plugs to about .035 or .040 will help with the constant trolling a bit.
 
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