Johnson Fuel Mix Ratio

jon75127

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Apr 23, 2007
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What is the fuel mix ratio for a 1961 Johnson 18hp, Model FD-15.
 

CATransplant

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Feb 26, 2005
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6,319
Re: Johnson Fuel Mix Ratio

24:1. Some may try to tell you it's OK to use 50:1 on that engine, but I sure wouldn't risk it. They're terrific engines. 24:1 can't possibly hurt it. 50:1 can.
 

tashasdaddy

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Nov 11, 2005
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51,019
Re: Johnson Fuel Mix Ratio

24/1 or you will have scrap metal.
 

kenmyfam

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Aug 10, 2006
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14,398
Re: Johnson Fuel Mix Ratio

"That was easy"
24 :1 for sure
 
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