2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 218Get this manual
FRONT WHEELSUSPENSIONSTEERING ASSEMBLY Install the tire onto the rim, where the rim shou lder idth is the narrowest, to si mplify installationClean the rim bead seat and langesUse onlv water as lubricant when removmg or mountmg liresSoap or some mounung lubncanls mav leave slippery resIdue which can cause the tire to shitt on the om and lose air pressure dunng ndlng
Apply clean wat er to the rim flanges, bead seat and base
Install the valve core in he valve stem Fronr tireRear lire:
FRONT TIRE:
Install the front tire wi the arrow mark facing in the normal rotating directionInstall the rea tire with the "SIDE FACING OUTW ARDS" faci ng he ire valveInflate the ti re to seat the tire beadDeflate the ti reWait hour and inflate the tire to the specified pressure RECOMMENDED TIRE PRESSURE (FrontRear)Standard: 27 kPa (0.275 kgcm.0 psi) Minimum: 23 kPa (0.235 kgcm2, 3.4 psi) Maximum: 31 kPa (0.315 kgcm4.6 psi) Check fo air leaks and install the va lve cap