Yamaha GRIZZLY 660 YFM66FGW Owner's Manual page 146

Clutch:
Clutch type:
Wet, centrifugal automatic
Transmission:
Primary reduction system:
V-belt
Secondary reduction system:
Shaft drive
Secondary reduction ratio:
41/21 × 24/18 × 33/9 (9.544)
Transmission type:
V-belt automatic
Operation:
Left hand operation
Reverse gear:
25/17 (1.471)
Low range:
35/17 (2.058)
High range:
26/21 (1.238)
Chassis:
Frame type:
Steel tube frame
10
Caster angle:
5.0 °
Trail:
26.0 mm (1.02 in)
Front tire:
Type:
Tubeless
Size:
AT25 x 8-12
Manufacturer/model:
CHENG SHIN/C828-4P (AUS)(NZL)
DUNLOP/KT131 (EUR)
Rear tire:
Type:
Tubeless
Size:
AT25 x 10-12
Manufacturer/model:
CHENG SHIN/C828-4P (AUS)(NZL)
DUNLOP/KT135 (EUR)
Loading:
Maximum load:
220.0 kg (485 lb)
(Total weight of rider, cargo, accessories, and tongue)
Tire air pressure (measured on cold tires):
Recommended:
Front:
35 kPa (5.0 psi) (0.35 kgf/cm²)
Rear:
30 kPa (4.3 psi) (0.30 kgf/cm²)
Minimum:
Front:
32 kPa (4.6 psi) (0.32 kgf/cm²)
Rear:
27 kPa (3.9 psi) (0.27 kgf/cm²)
Maximum:
Front:
38 kPa (5.5 psi) (0.38 kgf/cm²)
10-3