Honda SH300 2006 Manual page 278

FINAL REDUCTION
If the bearing is left on the driveshaft, remove it
using a hydraulic press.
Check the countershaft, counter gear, final gear
shaft and driveshaft for wear or damage.
BEARING REPLACEMENT
Be careful not to damage the mating surfaces of the
crankcase and final reduction case.
Disassemble the final reduction (page 12-6).
DRIVESHAFT
BEARING (6302)
φ15 x φ42 x 13
DRIVESHAFT
BEARING (6205)
φ25 x φ52 x 15
12-8
COUNTERSHAFT
BEARING
φ14 x φ22 x 16
COUNTERSHAFT
THRUST
WASHER
COUNTERSHAFT
BEARING
OIL SEAL
φ14 x φ22 x 20
φ25 x φ35 x 5
DRIVESHAFT
BEARING
COUNTERSHAFT
FINAL GEAR SHAFT
FINAL GEAR SHAFT
SIDE COLLAR
FINAL GEAR
SHAFT
BEARING (6204)
φ20 x φ47 x 4
DRIVESHAFT
DRIVESHAFT
COUNTER GEAR
DUST SEAL
φ34 x φ46 x 8
FINAL GEAR SHAFT
BEARING (6205)
φ25 x φ52 x 15
OIL SEAL
φ34 x φ52 x 5