2008 Suzuki LT-A400/F, LT-F400/F ATV Service Manual, Page 340Get this manual
3D-6 Propeller Shafts: Apply grease to the lip "B" of the oil seal Install the oil seal to the joint yoke: Grease 9900025010 (SUZUKI SUPER GREASE or equivalent)! After the backlash and tooth contact have been checked or adjusted, stake the nut with center punch
CAUTION
Replace the removed oil seal with new oneNOTE The lip "B" of the oil seal should be positioned joint yoke side
I827H1340029-01
Apply grease to the bearings and their dust seal lip Install the universal joint and bearings with the special tool: Grease 9900025010 (SUZUKI SUPER GREASE or equivalent) Special tool (A): 0991370210 (Bearing installer set)