Piston/Piston Rings/Piston Pin - Honda CRF450R Owner's Manual

Install the cylinder head cover, cylinder head cover B
bolts and cylinder head cover A bolt.
TORQUE: 7 lbf ft (10 N m, 1.0 kgf m)
(1) CYLINDER HEAD COVER
(2) CYLINDER HEAD COVER B BOLTS
(3) CYLINDER HEAD COVER A BOLT
Connect the spark plug cap and breather tube.
(1) BREATHER TUBE
(2) SPARK PLUG CAP
Install the fuel tank (page 18).
Install the seat (page 17).

PISTON/PISTON RINGS/PISTON PIN

Cylinder Head Removal
NOTE:
• Clean the area above the engine before disassem-
bly to prevent dirt falling into the engine.
Drain the engine oil (page 21).
Drain the radiator coolant after cooling the motorcycle
(page 101).
Remove the seat (page 17).
Remove the fuel tank (pate 17).
Remove the muffler and subframe (page 19).
Remove the carburetor (page 62).
Remove the exhaust pipe joint nuts, exhaust pipe and
exhaust pipe gasket.
(1) EXHAUST PIPE JOINT NUTS
(2) EXHAUST PIPE
(3) EXHAUST PIPE GASKET
Disconnect the spark plug cap and remove the ignition
coil nut, ignition coil bots and ignition coil.
(1) SPARK PLUG CAP
(2) IGNITION COIL NUT
(3) IGNITION COIL BOLTS
(4) GROUND TERMINAL
(5) IGNITION COIL
Remove the cylinder head cover (page 30).
Remove the spark plug.
(1) SPARK PLUG
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