2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 64Get this manual
LUBRICATION SYSTEM INSTALLATION Install the collar into the crankcase
Install new gasket onto the crankcaseInstall the oil pump into the crankcase while aligning the pump shaft groove with the cam chain guide spindle lug
Install and tighten the three screws to the specified torqueTORQUE: N'm (0.8 kgfm, 5.9 IbUt)