2007-2009 Honda TRX300EX TRX300X service manual, Page 236Get this manual
FRONT WHEELSUSPENSIONSTEERING ASSEMBLY Install the tire onto the rim, where the rim shoulder width is the narrowest, to simplify installationClean the rim bead seat and flanges Use only water as Apply clean water to the rim langes, bead seat and lubricant when baseremoving or Install the valve core in the valve stemmounting tiresSoap or some Install the tire and inflate the tire to seat the tire mounting lubricants beadmay leave slippery Deflate the tireWait hour and inflate the tire to residue which can the specified pressure (page 3-26) cause the tire to shift on the rim and Check for air leaks and install the valve caplose air pressure during riding