Honda CRF450R User Manual

66 Servicing Your Honda
Piston/Piston Rings/Piston Pin
Cylinder Head Removal
1. Clean the area above the engine before
disassembly to prevent dirt falling into the
engine.
2. Drain the engine oil (page 37).
3. Drain the radiator coolant after cooling the
motorcycle (page 42).
4. Remove the seat and fuel tank (page 29).
5. Remove the muffler and subframe (page 32).
6. Remove the carburetor (page 121).
7. Remove the exhaust pipe joint nuts (1),
exhaust pipe (2) and exhaust pipe gasket (3).
(1) exhaust pipe joint nuts
(2) exhaust pipe
(3) exhaust pipe gasket
8. Disconnect the spark plug cap (4) and remove
the ignition coil nut (5), ignition coil bolts (6)
and ignition coil (7).
9. Remove any dirt from around the spark plug
base.
(4) spark plug cap (6) ignition coil bolts
(5) ignition coil nut (7) ignition coil
(8) spark plug
12. Position the piston at top dead center on the
compression stroke (page 55).
Remove the camshaft holder assembly (page
57).
13. Loosen the radiator hose clamp (9) and
disconnect the radiator hose (10).
(9) radiator hose clamp
(10) radiator hose
(3)
(2)
(1)
(7)
(4)
(5)
(6)
(8)
(10)
(9)
10. Remove the cylinder head cover (page 55).
11. Remove the spark plug (8).

Honda CRF450R Specifications

General

Brand	Honda
Model	CRF450R
Category	Motorcycle
Language	English