No only 2-stoke bikes have powerbands, the xr100 is a four stroke.
My opinion and my knowledge the xr100 is slower than the xr80 because I had both of those bikes and the xr80 always beat the xr100
The Honda xr100 has 5 forward gears 1-down, 4 up.
They're not.
The xr100 uses straight unleaded gasoline. (car gas)
The manufacturer who makes the xr100 is Honda. These parts are for dirt bikes and can be found on many sites such as; motosport, makepolo and motercylezez.
Up
ummm............
According to the spark plug manufacturer NGK, the recommended gap for a 2001 Honda XR100 is .028"
100-400
30mm
4 stroke