Honda CB 600F Hornet 2007 Shop Manual page 325

CRANKCASE/TRANSMISSION
Remove the mainshaft assembly.
Disassemble the mainshaft.
Clean all disassembled parts in solvent thoroughly.
SHIFT DRUM/SHIFT FORK
INSPECTION
Check the shift fork guide pin for abnormal wear or
damage
Measure the shift fork I.D.
SERVICE LIMIT: 12.03 mm (0.474 in)
Measure the shift fork claw thickness.
SERVICE LIMIT: 5.9 mm (0.23 in)
Measure the shift fork shaft O.D.
SERVICE LIMll: 11.95 mm (0.470 in)
Inspect the shift drum guide grooves for abnormal
wear or damage.
Turn the outer race of the shift drum bearing with
your finger.
The bearing should turn smoothly and freely with­
out excessive play.
Also check that the bearing inner race fits tightly on
the shift drum.
If necessary, replace the bearing.
11-8