'89 120hp Evinrude

txrealtor42

Recruit
Joined
Jun 2, 2009
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3
I would like to see if someone can tell me the ratio of the oil/gas mixture for this outboard.. its a 1989 120hp Evinrude. thank you....
 

ezeke

Supreme Mariner
Joined
Sep 19, 2003
Messages
12,532
Re: '89 120hp Evinrude

If you premix the fuel and oil, the correct ratio is 50:1. 87 or 89 US Octane to TC-W3 oil except for sustained high performance use.

The original VRO2 pump mixed at varying ratios between 50:1 and 100:1; those pumps were discontinued after 1992 in favor of OMS pumps.
 
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