75 Vintage Evinrude

joey nathan

Petty Officer 2nd Class
Joined
Mar 17, 2009
Messages
185
Sorry for rookie question, but what is proper fuel-oil ratio for 70 horse Evinrude; Model 70573 B?

Are all older outboards the same in terms of this ratio?

Thanks for the help...
 

tx1961whaler

Vice Admiral
Joined
May 31, 2008
Messages
5,197
Re: 75 Vintage Evinrude

Sorry for rookie question, but what is proper fuel-oil ratio for 70 horse Evinrude; Model 70573 B?

Are all older outboards the same in terms of this ratio?

Thanks for the help...
50:1. Been that way since 1964. A 1975 motor is not "vintage"; it's just getting broke in.
 

1946Zephyr

Vice Admiral
Joined
Oct 21, 2008
Messages
5,556
Re: 75 Vintage Evinrude

Those two numbers need to be reversed, before we can call it a "vintage motor":D:D
 
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