Honda CRF250R 2005, Owner'S Manual

Page: 67 / 164

Servicing Your Honda
63
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 (page 29). and fuel tank
(page 30).
5. Remove the muffler and subframe (page 32).
6. Remove the carburetor (page 117).
7. Remove the exhaust pipe joint nuts (1),
exhaust pipe (2) and exhaust pipe gasket (3)
(page 88).
(1) exhaust pipe joint nuts
(2) exhaust pipe
(3) exhaust pipe gasket
8. Disconnect the spark plug cap (4).
9. Remove any dirt around the spark plug base.
(4) spark plug cap
(5) spark plug
11.Position the piston at top dead center on the
compression stroke (page 55).
Remove the cam shaft holders (page 57).
12.Loosen the radiator hose clamp (6) and
disconnect the radiator hose (7).
(6) radiator hose clamp
(7) radiator hose
(2)
(1)
(3)
(4)
(5)
(7)
(6)
(cont’d)
10. Remove the cylinder head cover (page 55).
Remove the spark plug (5).