Yamaha YFM350RZ Owner's Manual page 131

Gear ratio:
1st:
36/16 (2.685)
2nd:
33/20 (1.969)
3rd:
29/23 (1.504)
4th:
27/26 (1.239)
5th:
25/28 (1.065)
6th:
23/29 (0.946)
Forward gear:
20/27 × 29/18
Reverse gear:
33/16 × 33/10 (6.806)
Chassis:
Frame type:
Steel tube frame
Caster angle:
6.0 °
Trail:
26.0 mm (1.02 in)
Front tire:
Type:
Tubeless
Size:
AT21 x 7-10
Manufacturer/model:
DUNLOP/KT851B
Rear tire:
Type:
Tubeless
Size:
AT20 x 10-9
Manufacturer/model:
DUNLOP/KT877A
Loading:
Maximum loading limit:
100.0 kg (220 lb)
(Total weight of rider, cargo, accessories, and tongue)
Tire air pressure (measured on cold tires):
Recommended:
Front:
25.0 kPa (0.250 kgf/cm², 3.6 psi)
Rear:
25.0 kPa (0.250 kgf/cm², 3.6 psi)
Minimum:
Front:
22.0 kPa (0.220 kgf/cm², 3.2 psi)
Rear:
22.0 kPa (0.220 kgf/cm², 3.2 psi)
Front wheel:
Wheel type:
Panel wheel
Rim size:
10 x 5.5AT
Rear wheel:
Wheel type:
Panel wheel
10-3
10