Yamaha Rhino YXR66FAV Owner's Manual page 154

Transmission:
Primary reduction system
Secondary reduction system
Secondary reduction ratio
Transmission type
Operation
Reverse gear
Sub transmission ratio
Chassis:
Frame type
Caster angle
Trail
Tire:
Type
Size
Model
low
high
front
rear
V-belt
Shaft drive
41/21 × 24/18 × 33/9 (9.544)
V-belt automatic
Right hand operation
25/17 (1.471)
35/17 (2.058)
28/19 (1.473)
Steel tube frame
5.0°
26.0 mm (1.02 in)
Tubeless
×
25 8-12NHS
×
25 10-12NHS
10-4
YXR66FAV