Yamaha RAPTOR YFM660RP Owner's Manual page 168

MODEL
Gear ratio:
Chassis:
Frame type
Caster angle
Trail
Tire:
Type
Size: Front
Size: Rear
Brake:
Front brake type
Operation
Rear brake type
Operation
Suspension:
Front
Rear
Shock absorber:
Front
Rear
1st
2nd
3rd
4th
5th
Reverse
31/12 (2.583)
30/18 (1.667)
27/21 (1.286)
22/21 (1.047)
19/21 (0.904)
33/25 × 25/18 (1.833)
Steel tube
°
8
47 mm (1.85 in)
Tubeless
AT21 × 7 - 10
AT20 × 10 - 9
Dual disc brake
Right hand operation
Single disc brake
Right foot operation
Double wishbone
Swingarm (link suspension)
Coil spring/oil damper
Coil spring/gas-oil damper
10-4
YFM660R