Transmission - Honda CBR125R Owner's Manual

CRANKSHAFT/BALANCER/TRANSMISSION
After installing the crankshaft and balancer assem-
bly, make sure to align the two punch marks on the
balancer driven gear and crank weight.
Assemble the crankcase (page 12-21).

TRANSMISSION

REMOVAL/DISASSEMBLY
Separate the crankcase halves (page 12-6).
Pull the shift fork shaft and remove it from the shift
forks.
Remove the shift forks and shift drum.
Remove the mainshaft assembly and countershaft
Be sure to remove
assembly together.
the three end
washers
(mainshaft: left
only/countershaft:
both ends).
12-12
PUNCH MARKS
MAINSHAFT
ASSEMBLY
SHIFT FORK SHAFT
SHIFT FORKS
SHIFT DRUM
COUNTERSHAFT
ASSEMBLY