Yamaha BRUIN YFM25BV Owner's Manual page 377

Model
Transmission:
Primary reduction system
Primary reduction ratio
Secondary reduction system
Secondary reduction ratio
Transmission type
Operation
Gear Ratio:
1st
2nd
3rd
4th
5th
Reverse
Chassis:
Frame type
Caster angle
Trail
Tire:
Type
Size: Front
Size: Rear
Spur gear
73/22 (3.318)
Shaft drive
19/18 × 46/11 (4.414)
Constant mesh 5-speed. forward, 1-speed. reverse
Left foot operation
34/12 (2.833)
34/19 (1.789)
29/22 (1.318)
26/25 (1.040)
23/28 (0.821)
73/22 × 34/12 × 19/18 (9.924)
Steel tube frame
4.0°
20.0 mm
Tubeless
×
AT22 7-10
×
AT22 10-10
10-4
YFM25BV