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Old 02-02-2013, 06:23 PM   #32893
thumpididump's Avatar
Joined: Jul 2009
Location: Germany
Oddometer: 2,766
54R refers to the load index (54) and speed rating (R)

load index "54" is up to 467 lbs
speed rating "R" is up to 106 mph

Some references:
Keyboard Diarrhea
2014 KTM 690 Enduro R
2013 KTM 1190 Adventure R
Poor decisions always lead to great adventures.
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