User Manual - Page 96

For CRF450R-RX .

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Piston/Piston Rings/Piston Pin
88 Servicing Your Honda
Piston/Piston Rings/Piston Pin
Refer to Important Safety Precautions on page 23.
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 161).
3. Remove the seat and hang the fuel tank (pages
34, 35, 37).
4. Remove the left and right mufflers (page 128).
5. Remove the exhaust pipe (page 131).
6. Remove the subframe (page 39).
7. Remove the spark plug (page 78).
8. Remove the cylinder head cover (page 79).
9. Set the piston at TDC on the compression
stroke (page 80).
10. Remove the camshaft holder, camshaft and
shims (page 81).
11. Disconnect the ignition coil A connector (1)
and B connector (2).
Remove the ignition coil (3) by removing the
ignition coil bolts (4).
12. Disconnect the ECT sensor connector (5).
13. Loosen the radiator hose clamp screw (6) and
disconnect the radiator hose (7).
14. Remove the right radiator lower mounting bolt
(8) and washer (9).
15. Loosen the insulator band screw (10) and pull
the throttle body (11) out from the insulator
(12).
Do not hang the throttle body and support it with a
suitable strap.
Cylinder Head Removal
(1) ignition coil A connector (3) ignition coil
(2) ignition coil B connector (4) ignition coil bolts
(5) ECT sensor connector
(6) radiator hose clamp screw
(7) radiator hose
(8) right radiator lower mounting bolt
(9) washer
(10) insulator band screw
(11) throttle body
(12) insulator
31MKE610_RX.book 88 ペー 2017年4月14日 金曜日 午後2時37
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