Camshaft - Honda CBR125R Owner's Manual

CYLINDER HEAD/VALVES

CAMSHAFT

REMOVAL
Remove the cylinder head cover (page 8-6).
The camshaft can
Make sure the piston is at TDC (Top Dead Center) on
be serviced with
the compression stroke (page 3-11).
the engine installed
in the frame.
Loosen the lock nuts and adjusting screws.
Remove the cam chain tensioner lifter plug and O-
ring.
Turn the cam chain tensioner lifter shaft fully in
(clockwise) and secure it using a tensioner stopper
to prevent damaging the cam chain.
TOOL:
Tensioner stopper
Remove the cam sprocket bolts.
Be careful not to let
the cam sprocket
bolts fall into the
crankcase.
Remove the cam sprocket to the camshaft.
Be careful not to let
the cam sprocket
fall into the
crankcase.
Remove the sprocket from the cam chain.
Attach a piece of
wire to the cam
chain to prevent it
from falling into the
crankcase.
8-8
O-RING
TENSIONER LIFTER
070MG-0010100
TENSIONER STOPPER
CAM CHAIN
CAMSHAFT
PLUG
BOLTS
SPROCKET