Cylinder Removal - Honda CRF450R 2011 Owner's Manual

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 gasket
NOTICE
Do not let the dowel pins fall into the crankcase.
(1)
(3) O-ring
(6) dowel pins
(5) piston
(7).
(6)
(7) cylinder gasket
Servicing Your Honda
(7)
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