2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 56Get this manual
MAINTENANCE
NUTS, BOLTS, FASTENERS
Check that all chassis nuts and bolts are tightened to their correct torque values (page 1-'1 )Check that all cotter pins, safety clips, hose clamps and cable stays are in place and properly secured
WHEELSTIRES
Tire pressure should be chec ed when rne tires are cold
Check the tire pressure with the tire pressure gaugeRECOMMENDED TIRE PRESSURE (Front Rear): 20 kPa (0.20 0.03 kgf cm2.9 0.4 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 fo llowing limitMINIMUM TREAD DEPTH (Front Rear): 4.0 mm (0.16 in)