Honda CRF450R 2009 Owner's Manual & Competition Handbook page 81

19. Remove the dowel pins (22) and cylinder
head gasket (23).
NOTICE
Do not let the dowel pins and cam chain fall into
the crankcase.
(22)
(23)
(22) dowel pins
(23) cylinder head gasket
20. Remove the cam chain guide (24) from the
cylinder (25).
(24)
(24) cam chain guide
(25) cylinder
Cylinder Removal
1. Remove the water hose joint bolts (1), water
hose joint (2) and O-ring (3).
(2)
(3)
(1) water hose joint bolts
(2) water hose joint
2. Remove the cylinder (4) while holding the
piston (5).
NOTICE
Do not let the cam chain fall into the crankcase.
Do not pry on or strike the cylinder.
(25)
(4)
(5)
(4) cylinder
Piston/Piston Rings/Piston Pin
3. Remove the dowel pins (6) and cylinder
NOTICE
Do not let the dowel pins fall into the crankcase.
(1)
(3) O-ring
(6) dowel pins
(5) piston
gasket (7).
(6)
(7)
(7) cylinder gasket
Servicing Your Honda
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