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evinrude year/mix ratio???

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  • evinrude year/mix ratio???

    i have 2 outboards and do not have a year or mix ratio for either can someone please help. 1 evinrude fastwin serial# 18302L-E02482 and 1 evinrude fisherman serial#6602E-E04674.

  • #2
    Re: evinrude year/mix ratio???

    18302 is the model number, indicating the engine is a 1963 18hp Evinrude. Mixture is 50/1 as powerhead incorporates "all" needle, roller, and/or ball bearings.

    6602E is the model number which indicates that the engine is a 1966 6hp Evinrude. Mixture used is normally 24/1 as most powerhead bearings are the babbit/bushing type. However, there are thousands of these engines using the 50/1 mixture with no ill effects. I myself have used that 50/1 mixture on the various year 6hp engines and have encountered no problems.
    Last edited by Joe Reeves; July 2nd, 2007, 03:29 PM. Reason: Corrective Info.
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    • #3
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      Re: evinrude year/mix ratio???

      thank you, very big help!