2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 111Get this manual
LUBRICATION SYSTEM oil pu mp shaft rive in outer rotor nner rotor
PUMP BODY A
INNER ROTOR
OUTER ROTOR
Clean all he disassembled parts th rou gh ly
PUMP SHArf
DRIVE PIN