Off-Road Motorcycle Tire Conversion Charts
American Motorcyle Assn   Web Bike World   Motorcycle Dream Shop  

 

FRONT TIRE

 

REAR TIRE


 

60/100
70/100
80/100

 

2.50/2.75
2.75/3.00
3.00/3.25

 

  80/100
  90/100
100/100
110/100
120/100

 

2.50/3.60
3.60/4.10
4.00/4.10
4.00/4.50
5.00/5.10



 

LOAD INDEX (LI) RATING CHART

LI lbs   LI lbs   LI lbs   LI lbs   LI lbs
20 176   33 254   46 375   59 536   72 783
21 182   34 260   47 386   60 551   73 805
22 187   35 267   48 397   61 567   74 827
23 193   36 276   49 408   62 584   75 853
24 198   37 282   50 419   63 600   76 882
25 204   38 291   51 430   64 617   77 908
26 209   39 300   52 441   65 639   78 937
27 215   40 309   53 454   66 661   79 963
28 220   41 320   54 467   67 677   80 992
29 227   42 331   55 481   68 694   81 1019
30 234   43 342   56 494   69 716   82 1047
31 240   44 353   57 507   70 736   83 1074
32 247   45 364   58 520   71 761   84 1102

 

SPEED RATING CHART
M   non-DOT (no rating)
J   62mph - 100kmph
N   87mph - 140kmph
P   94mph - 150kmph
S  112mph - 180kmph
H  130mph - 210kmph
V  149mph - 240kmph
Z  150+mph - 250+kmph