2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 112Get this manual
LUBRICATION SYSTEM Rem ove the oil pump sh aft and rive pinMeasure he il pum side clearanceSERVICE llM IT: 011 mm 10.004 in )
ASSEMBLY
DRIVEN SPROCKET DRIVE PINS RELIEF VA LVE O-RING
PUM BODy e
PUM BODY DOWEL PINS
PUM BODY D