FWIW I use whatever fuel stabilizer is on sale ... but usually use the Star*Brite product or the West Marine version. Most years for the past 20-30, my 3 brothers and I have run anywhere from no less than 5 to up to 11 OBs each season.
We'e had zero problems with the S*B or other fuel treatment stuff provided you add it to the tank BEFORE you really need it ... so it gets the chance to get mixed up with all of the fuel and get drawn through the motor. That requirement goes for Sta-Bill too ... and we've never ever had to rebuild one OB carb in 30+ years boating.
One BIG plus for the Star*Brite fuel treatment versus that of Sta-Bil is that ...
it's HALF the price! Sure, they sell the bottles for roughly the "same" amount, but Sta-bill needs 1 ounce to treat
2.5 gallons while most all other fuel treatments only use 1 ounce to treat
5 gallons.
Did I say that IMHO Sta-Bil is way overpriced ... :?: ? But that's just me, I'm a cheap ba$tard
... use what works for ye'!
just be sure to use SOMETHING in your fuel for winter stabilization.
