It's simple, but a pain in the ass.....the wrong spacer on the wrong side makes it impossible to align the sprockets AND get the brake disc into the calipers.
You got a 50/50 shot at getting it right.
Get it wrong and you'll know.
Ask me how I know....
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2008 WR250X
Gearing: 13t - 48t
Power Commander 5 / PC-V
Airbox Door Removed - Flapper glued - AIS removed
FmF Q4
Bridgestone Battlax BT-003rs