Honda FOREMAN RUBICON TRX500FM6 2018 Owner's Manual page 237

Specifications
Power Transmission
primary reduction
secondary reduction
final reduction
transmission ratio
final drive
Chassis & Suspension
caster
trail
tire size, front
tire size, rear
tire pressure,
front & rear (cold)
230
Technical Information
front
rear
1st
2nd
3rd
4th
5th
reverse
1°
-0.04 in (-1 mm)
AT25 × 8-1211
AT25 × 10-1211
front:
4.4 psi (30 kPa)
rear:
4.4 psi (30 kPa)
2.103
1.875
3.231
3.154
4.230
2.388
1.608
1.178
0.848
5.743
shaft
MAXXIS MU25
MAXXIS MU26