2007-2009 Honda TRX300EX TRX300X service manual, Page 73Get this manual
LUBRICATION SYSTEM DISASSEMBLY Remove the screws, snap ring, washer and disassemble the oil pump
SNAP RING AND WASHER
INSPECTION
Check the oil pipe and oil pipe bolt for clogging
OIL PIPE
Temporarily assemble the inner rotor, outer rotor into the oil pump body and insert the oil pump driven gear shaftMeasure the rotor tip clearanceSERVICE LIMIT: 0.20 mm (0.008 in)