2008 Suzuki LT-A400/F, LT-F400/F ATV Service Manual, Page 268Get this manual
3A-5 Drive ChainDrive TrainDrive Shaft: 8) Install circlip (2) into the groove of front drive shaft spline Front Drive Shaft Inspection (LT-A400F, LTF400F)
CAUTION
The removed circlip must be replaced with new one
Inspect the front drive shaft in the following procedures: 1) Remove the front drive shaft assemblyRefer to "Front Drive Shaft Assembly Removal and Installation (LT-A400F, LT-F400F) (Page 3A-2)"2) Inspect the boots, circlip and boot bands for wear or damageIf any damages are found, replace them with new ones