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
Thread starter
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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