Honda CBR125R Owner's Manual page 268

CRANKSHAFT/BALANCER/TRANSMISSION
BALANCER DISASSEMBLY
If you replace the balancer driven gear, be careful to
select the identification color of the balancer driven
gear (page 12-11).
Remove the following:
– Snap ring
– Thrust spring
– Washer
Remove the balancer damper rubbers, balancer
gear springs and balancer driven gear.
Check the rubbers and springs for damage, replace
it if necessary.
Check the balancer driven gear for excessive or
damage, replace it if necessary.
BALANCER ASSEMBLY
Apply molybdenum oil solution to the balancer
driven gear inner surface.
Install the balancer driven gear, balancer gear
springs and balancer damper rubbers.
12-10
THRUST SPRING SNAP RING
RUBBERS BALANCER DRIVEN GEAR
RUBBERS BALANCER DRIVEN GEAR
WASHER
SPRINGS
SPRINGS