[alanmcorcoran]

This probably isn't it, but, if you are a new rider, certain types of roads will give you a wiggly/squirrelly feeling on the Geezer and no amount of tinkering will fix it. Particularly wiggly are grooved and, what I call "scalloped" surfaces. The tire tread and the generally smaller weight/frame wheel base, etc. provides a jumpier ride than larger bikes.

If that's not it and it's none of the above -do you have spokes on your wheels? Check for loose or bent ones. I'm somewhat ignorant of how spokes work on the MC wheels, but they play a very important role on bicycle wheels. On a bicycle, they are what keeps the wheel round, among other important things - and over time, they can loosen up and your wheel goes out of round. In severe cases, the wheel can "taco", which, if you are not familiar with Mexican food, is not a good thing.

How old is the bike? How many miles on the tires? Did you buy it new?