gas oil ratio for 1969 9.9HP

ezeke

Supreme Mariner
Joined
Sep 19, 2003
Messages
12,532
Re: gas oil ratio for 1969 9.9HP

That is 50:1 87 or 89 US Octane to TCW-3 oil.
 

wbeaton

Commander
Joined
Jul 30, 2006
Messages
2,332
Re: gas oil ratio for 1969 9.9HP

No such animal, but ezeke has the right info for both a 1969 and a 9.9 hp. OMC made a 9.5 hp in 1969 and began making the 9.9 hp in 1974. Post your model number and we'll let you know what you have.
 

chodie

Seaman
Joined
Jan 1, 2008
Messages
52
Re: gas oil ratio for 1969 9.9HP

Sorry about that. It is a 9.5hp, 69 model.
 
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