Honda CRF250R User Manual

Piston/Piston Rings/Piston Pin
(cont’d)
Servicing Your Honda 77
Piston/Piston Rings/Piston Pin
1. Clean the area above the engine before
disassembly to prevent dirt falling into the
engine.
2.
Drain the radiator coolant after cooling the
motorcycle (page 157).
3. Remove the seat and hang the fuel tank (pages
34, 35).
4. Remove the left and right mufflers (page 121)
and subframe (page 38).
5. Remove the exhaust pipe (page 124).
6. Remove the spark plug (page 67).
7. Remove the cylinder head cover (page 68).
8. Set the piston at TDC on the compression
stroke (page 68).
9. Remove the camshaft holders, camshaft, valve
lifters and shims (page 70).
10. Disconnect the ECT sensor connector (1).
11. Loosen the radiator hose clamp screw (2) and
disconnect the radiator hose (3).
12. Disconnect the crankcase breather tube A (4)
from the air cleaner connecting tube.
13. Disconnect the IAT sensor connector (5).
14. Release the crankcase breather tube B (6) from
the clip (7).
15. Loosen the screw (8) on the air cleaner
connecting tube clamp (9).
Cylinder Head Removal
(1) ECT sensor connector
(2) radiator hose clamp screw
(3) radiator hose
(1)
(3)
(2)
(4) crankcase breather tube A
(5) IAT sensor connector
(6) crankcase breather tube B
(7) clip
(8) screw
(9) air cleaner connecting tube clamp
(7)
(6)
(4)
(5)
(9)
(8)

Honda CRF250R Specifications

General

Brand	Honda
Model	CRF250R
Category	Motorcycle
Language	English