Honda 2010 CRF250R Service Manual page 268

CRANKCASE/CRANKSHAFTITRANSMISSION/BALANCER
Remove the boll, stopper plate and cam chain.
Remove the snap ring , oil pump driven gear and drive
~;::;:.::::::!:
pin.
Remove the transmission oil drain bolt and sealing
~~~~~~~~~~~~~~~~~~~
washer.
Loosen the crankcase bolts in a crisscross pattern in
two or three steps.
Remove the crankcase bolts and stay.
Place the left crankcase facing down and separate the
~===:::!~ij~~~~~~~~~~~=
left and right crankcase halves.
r
12-14