What is the proper fuel mixture??????

I'mgonnamissher

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Aug 16, 2002
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I have a Johnson Seahorse 9.5 , Model # 9R-73B , Serial # J3754268 . What is the proper fuel mixture for the o/b motor??? I have a Mariner 15 hp and it runs good on 16 oz to 6 gallons which is approx. 48 to 1. Would 40 to 1 make a big difference? 16 oz to 5 gallons?? Thanks in advance, Daniel
 
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