1993-2000 Honda TRX300EX Service Manual, Page 55Get this manual
Lubrication System
Oil Pump Removaillnstallation
Use care not sHow dust and dirt to enter the engineAfter installation, check that there are no oil leaks
Requisite Service
Engine oil drainingrefill Clutch removalinstallation (page 8-6)
Procedure Removal Order O-ring, 8.2 1.5 mm Flange bolt, 7x 18.5mm Flange bolt, 12 mm Dilpipe Dowel pin, 10 10 mm O-ring, 10 mm Flange bolt Oil pump assembly Dowel pin, 10 mm D-ring, 17.0 25 mm