99 johnson outboard oil/fuel ratio

wilde1j

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Re: 99 johnson outboard oil/fuel ratio

50:1, 16 oz per 6 gal of fuel.
 

tashasdaddy

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Re: 99 johnson outboard oil/fuel ratio

what Johnson 2.5 or 225? it makes a big difference
 

bob johnson

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Feb 25, 2009
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Re: 99 johnson outboard oil/fuel ratio

what Johnson 2.5 or 225? it makes a big difference

really?

I knew years ago they had motor where they required 25:1 ratios

butin 1999 I would have thought everything would be 50:1 after intital break in period.

what motors require something other than 50:1?

bob
 

wilde1j

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Apr 15, 2002
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Re: 99 johnson outboard oil/fuel ratio

Ficht and E-Tec absolutely must not be fed premix ... the only modern 2 stroke motor exceptions I know of. With those motors, fuel never sees the crankcase at all. Everything else is 50:1 TCW-3 . 25:1 (and higher oil content) was before the mid sixties. The only other oddball I know off is the British Seagull and Neptunes, which used 16:1, and smoked accordingly.
 
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