Re: Please Help
Not all oils are the same. See what the oil manufacturer recommends. 100-1 is right on for Opti-2, but that ratio for an oil designed to run at 50-1 would be a bad idea. 50-1 using a regular 30 weight oil would be wrong again. They are not all the same by a long shot.
Welcome to the forum. Keep in mind that we have women members here and even many of the men (including me) would prefer to keep the subject on motor bicyling. This is a great place with a lot of helpful people.
Someday when I grow up I will probably lose interest in toys with wheels, but until then...