Fifth Gear Disassembly and Reassembly: Disassembly

Remove cover bolts and take off transaxle side cover.
CAUTION: Care should be taken not to distort side cover when it is removed from left case.
Using snap ring pliers, remove circlip (1).
Remove shift fork shaft bolt (2).
Remove gear shift fork (3) and 5th gear all together. Use gear puller for removal if spline fitting of hub is tight.

Fig 1: Identifying Gear Shift Fork, Gear Shift Fork Bolt And Circlip
Courtesy of SUZUKI OF AMERICA CORP.
Unfasten caulking of countershaft nut (2), install input shaft 5th gear (1) and special tool to stop rotation of shafts, and then remove countershaft nut (2).
Special Tool

(A): 09927-76060

Fig 2: Identifying Countershaft Nut And Input Shaft 5th Gear
Courtesy of SUZUKI OF AMERICA CORP.
Remove input shaft 5th gear, needle bearing and then countershaft 5th gear (1). Gear puller (2) would be necessary if spline fitting of countershaft 5th gear is tight.

Fig 3: Identifying Countershaft 5th Gear And Gear Puller
Courtesy of SUZUKI OF AMERICA CORP.