Honda 2009 CRF450X Owner's Manual & Competition Handbook page 75

6. Make sure the piston is at TDC (Top Dead
Centre) on the compression stroke.
Loosen the camshaft holder assembly bolts (7)
in a crisscross pattern in two or three steps.
Remove the camshaft holder assembly bolts,
camshaft holder assembly (8), intake valve
lifters and shims.
• As you remove the camshaft holder
assembly, the intake valve lifters and intake
valve shims may be sticking in the camshaft
holder assembly.
• Keep the intake valve lifters and the shims
separate so you can easily identify the
originally installed location such as intake
or exhaust, right or left.
(7)
(8)
(7) camshaft holder assembly bolts
(8) camshaft holder assembly
NOTICE
Do not let the valve lifters, shims, decompressor
shaft and plunger fall into the crankcase.
7. Remove the intake valve lifters (9),
decompressor shaft (10) and plunger (11).
(9)
(11)
(10)
(9) intake valve lifters
(10) decompressor shaft
(11) plunger
Valve Clearance
8. Remove the valve shims (12).
(12)
(12) valve shims
Servicing Your Honda
HONDA O/M CRF450X (Eu) 3RMEY620 00X3R-MEY-6200
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