Universal fit parts fit a range of vehicles, and may or not fit your current bike without modification.
Exact fit parts are designed specifically for your 1991 Yamaha WR250R.
Sorry, we could not find any products that matched your request.
We're working hard to expand our selection! To receive an email notification when we have parts available for your 1991 Yamaha WR250R,
please drop in your email and click 'Save':
The first number in a tire size represents the nominal width (usually in millimeters). Width is measured in a
straight line from the furthest point on one sidewall, across the tread, to the furthest point on the
This number represents the width of a tire measured in inches when inflated. Width is measured in a straight
line from the furthest point on one sidewall, across the tread, to the furthest point on the opposite sidewall.
The aspect ratio indicates the height of the tire's cross-sectional profile. It is expressed as a percentage
of the tire's width, so an aspect ratio of 55 means the tire's cross-section is 55% as high as it is wide.
This number indicates the overall height of a tire measured in inches when the tire is inflated.
This number is the diameter of the rim on which the tire will fit. The number is expressed in inches.
This number represents the diameter of the tire's rim. The number is expressed in inches.