2008 Suzuki LT-A400/F, LT-F400/F ATV Service Manual, Page 157Get this manual
Engine Lubrication System: Install the oil pump drive gear (3) so that its flange side faces side faces the crankcase side Apply thread lock to the oil pump drive gear bolt: Thread lock cement 9900032030 (THREAD LOCK CEMENT SUPER 1303 or equivalent) Tighten the oil pump drive gear bolt to the specified torque using the special toolSpecial tool (A): 0993040113 (Rotor holder) Tightening torque Oil pump drive gear bolt (a): 80 Nm (8.0 kgf-m, 58.0 lb-ft)
Oil Pump Inspection
Inspect the oil pump in the following procedures: 1) Remove the oil pumpRefer to "Oil Pump Drive GearOil Pump Removal and Installation (Page 1E-6)"2) Rotate the oil pump by hand and check that it moves smoothlyIf it does not move smoothly, replace the oil pump with new one