Balancer Driven Gear/Balancer Shaft Removal; Balancer Driven Gear/Balancer Shaft Installation - Honda 2010 CRF250R Service Manual

CRANKCASE/CRANKSHAFT/TRANSMISSION/BALANCER
BALANCER DRIVEN GEAR/BALANCER
SHAFT
This sendee can be
performed with the
engine instalfed in
the frame.
REMOVAL
Remove the following:
~
Right crankcase cover (page 10-5)
- Left crankcase cover (page 11-4)
Insert the gear holder between the balancer drive and
driven gears .
TOOL :
Gear holder, M1 .S
07724-0010200
or
07724-001 A20a
(U .S.A. on ly)
Remove the balancer shaft lock nut and washer.
Remove the gear holder.
Remove the water pump drive gear, balancer driven
~~~~~~~~~;~~I~~~~r~
gear and O-ring .
I
Check the water pump drive gear and balancer driven
gear for wear or damage.
Turn the balancer shaft as shown and remove it from
:::::::-;,:~~~:~i~~~~~~~~i
the left side ,
i
Check the balancer shaft for wear, damage or
excessive scratches ,
INSTALLATION
Engage the
Install the balancer shaft into the crankcase as shown .
balancer shaft gear
with oil pump driven
gear.
Check the oil seal for wear or damage , replace it if
~~~~~~~~ii~;;~~~~i~
necessary (page 12-10).
Apply engine oil to new O-ring and install it into the
balancer driven gear.
Install the balancer driven gear onto the balancer shaft
while aligning its wide cut-out in the splines with the
wide cut-ou t in the splines on the balancer shaft.
12-9