Honda CBR125R Owner's Manual page 265

Loosen the left crankcase bolts in a crisscross pat-
tern in 2 or 3 steps, and remove the bolts and
clamps.
Disconnect the crankcase breather hose.
Loosen the right crankcase bolts in a crisscross pat-
tern in 2 or 3 steps, and remove the bolts and
washer.
Place the crankcase assembly with the right side
down.
Carefully separate the left crankcase from the right
Do not pry the
crankcase while tapping them at several locations
crankcase halves
with a plastic hammer.
with a screwdriver.
Remove the dowel pins.
CRANKSHAFT/BALANCER/TRANSMISSION
BOLTS
BREATHER HOSE
RIGHT CRANKCASE
DOWEL PINS
BOLTS/CLAMPS
BOLT/WASHER
BOLTS
LEFT CRANKCASE
12-7