Originally Posted by Dratharr
I mounted some Aluminum Panniers on my wee. What should my milage drop to with this modification? On my KLR it dropped to low 40's to mid/low 30's in a head/side wind. On my GS it didnt make near as much as a difference. Any ideas on this one?
Off the top of my head, I'd say the difference in power between the motors. The KLR motor has to expend a much larger portion of its horsepower budget to overcome that additional aerodynamic drag.
I'll defer to a real engineer though if this thread manages to pull one in.