Cylinder Head - Honda CBR125R Owner's Manual

CYLINDER HEAD

If the O
2
sensor cord with a new one.
REMOVAL
Remove the following:
– Engine (page 7-4)
– Camshaft holder (page 8-12)
Remove the cylinder head bolts and cylinder head.
Be careful not to let
the cylinder head
bolts fall into the
• Attach a piece of wire to the cam chain to pre-
crankcase.
vent it from falling into the crankcase.
• Do not strike the cylinder too hard and do not
damage the mating surface with a screwdriver.
Remove the dowel pins and gasket.
DISASSEMBLY
Remove the following:
– Spark plug (page 3-9)
– O sensor (page 5-67)
2
If the O
2
sensor cord with a new one.
Loosen the insulator band screw and remove the
throttle body insulator.
sensor cap is disconnected, replace the O
sensor cap is disconnected, replace the O
CYLINDER HEAD/VALVES
2
CYLINDER HEAD
CAM CHAIN
DOWEL PINS
GASKET
2
BAND SCREW
BOLTS
INSULATOR
8-15