"Greg" wrote in message
...
I would worry a lot more about the age of the gas than the miniscule
amount of
oil in 50:1.


I would worry about the age of the Gas also. As for the Oil and Gas Mix
don't worry about it. I will make your Valves Cleaner. You could do like
Bill Calif said add a little to the Tank each time you fill up until you
have used up all of the Gas. Say you have a 20 Gallon Tank put in 5 gallons
each time..