2007-2009 Honda TRX300EX TRX300X service manual, Page 66Get this manual
MAINTENANCE
WHEELSTIRES
Tire pressure should be checked when rhe tires are cold
Check the tire pressure with the tire pressure gaugeRECOMMENDED TIRE PRESSURE ('O7): Front: Standard: 30 kPa (0.30 kgcm2, 4.4 psi) Minimum: 27 kPa (0.27 kgcm2, 4.0 psi)Maximum: 33 kPa (0.33 kgcm 4.8 psI) Rear: Standard: 20 kPa (0.20 kgcm2, 2.9 psi) Minimum: 17 kPa (0.17 kgcm2, 2.5 psI) Maximum: 23 kPa (0.23 kgcm2, 3.3 psi) RECOMMENDED TIRE PRESSURE (After '07): Front: 30 kPa (0.30 kgcm2, 4.4 psi) Rear: 20 kPa (0.20 kgcm2, 2.9 psi) Check the tires for cuts, embedded nails, or other damageMeasure the tread depth at the center of the tiresReplace the tires when the tread depth reaches the following limitMINIMUM TREAD DEPTH (FrontRear): 4.0 mm (0.16 in) Raise the wheel off the ground and check the hub and axle bearings for excessive play or abnormal noise