What gas/oil mix ratio for Merc 2.5?

northernmerc

Chief Petty Officer
Joined
Apr 6, 2009
Messages
401
This is on a 2002 2.5 hp Merc two stroke.

I've been mixing the gas and oil at 30-1. Is this too much oil? Is 50-1 suitable for these small motors? I use 50-1 on larger motors, but for some reason got into the habit of using 30-1 on the small ones.
 
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