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Author Topic:   40 hp johnson
TRACY posted 08-03-2009 07:45 PM ET (US)   Profile for TRACY   Send Email to TRACY  
I have a 40 hp johnson outboard, not sure of year or fuel mixture. Model # RKL-27A serial # J25777370 . I think fuel mix is 24 to 1
R T M posted 08-03-2009 08:30 PM ET (US)     Profile for R T M    
OMC changed the fuel/oil mix to 50:1 in 1965.

If you scroll down, you will find an active thread on how to identify by numbers, OMC outboards.

rich/Binkie

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