Honda CBR125R, Owner'S Manual

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CRANKSHAFT/BALANCER/TRANSMISSION
12-21
Drive in new bearings into the left crankcase until
they are fully seated using the special tools.
After installation, apply engine oil to each bearing
rotating area.
Apply grease to new countershaft oil seal lips.
Install the countershaft oil seal until it is flush with
the crankcase surface.
CRANKCASE ASSEMBLY
Check the oil passage for clogs.
TOOLS:
Mainshaft bearing (sealed side facing down):
Driver 07749-0010000
Attachment, 32 x 35 mm 07746-0010100
Pilot, 12 mm 07746-0040200
Countershaft bearing (marked side facing up):
Driver 07749-0010000
Attachment, 42 x 47 mm 07746-0010300
Pilot, 20 mm 07746-0040500
Balancer bearing (marked side facing up):
Driver 07749-0010000
Attachment, 32 x 35 mm 07746-0010100
Pilot, 12 mm 07746-0040200
COUNTERSHAFT
BEARING BALANCER BEARING
MAINSHAFT BEARING
OIL SEAL
RIGHT SIDE:
PASSAGE PASSAGE
RIGHT SIDE: LEFT SIDE:
PASSAGE PASSAGE
Clean the oil passages of each crankcase using
compressed air.