Transmission Disassembly - Honda 2010 CRF250R Service Manual

CRANKCASE/CRANKSHAFTITRANSMISSION/BALANCER
Align the hose guide
groove with the
crankcase boss.
Connect the transmission breather hose to the right
crankcase.
Install the hose guide and lighten the bolt.
Install the remaining parts in Ihe reverse order of
removal.
For installation of the removed parts for crankcase
service (page
12-3).
TRANSMISSION
OISASSEMBL Y
Separate the crankcase halves (page 12-13).
Be
sura thai/he
Temporarily install the right crankcase on the left
connecting
rod
crankcase.
does not interfere
Place Ihe right crankcase facing down and separate Ihe
with the oil jet.
right and left crankcase halves.
Remove the shift fork shafts.
Remove the shift forlc: guide pins from Ihe gearshift
drum grooves. and remove the gearshift drum ,
Remove the shift forks.
LEFT CRANKCASE
Remove the mainshaft and counlershaft assembly from
~~~~~~~~~~~~~~~~~~~
the right crankcase.
I
12-18
Disas semble the transmis s ion:
Keep track of the disassembled parts (gears,
bushings, needle bearing, thrust washers, and snap
rings) by sliding Ihem onlo a 1001 or a piece of wire.
Do not expand the snap ring more than necessary
for removal. To remove a snap ring, expand the
snap ring and pull
it
off using the gear behind it.