wont hurt it at all,,,it probly loves the lil xtra lubing,,,just keep the extra plugs handy just in case.you wanna have some spares,no matter what mix youre using.happy boating
Guy I used to buy all of my motors from always ran everything at least 24:1, and this was up to the 1990's......his reasoning was that if 24:1 was recommended for breaking them in, why change? I do about 48:1 for my 40 and 6 hp, and 20:1 for my 3's.