2000 Evinrude 70hp fuel octane use

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mike69infl

Seaman Apprentice
Joined
Jun 20, 2004
Messages
32
What octane fuel should i use in this motor. I was told to use 93 octane but ive heard that I should use just reg 87 octane mixed 50:1
 
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Dhadley

Supreme Mariner
Joined
Feb 4, 2001
Messages
16,978
Re: 2000 Evinrude 70hp fuel octane use

Use fresh 87 only. If you insist using 93 I would suggest going richer on the jets especially on #2 cylinder.
 
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Dhadley

Supreme Mariner
Joined
Feb 4, 2001
Messages
16,978
Re: 2000 Evinrude 70hp fuel octane use

And be sure to stick with Champion plugs.
 
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