Honda CRF450R 2009 Owner's Manual & Competition Handbook page 77

14. Measure the intake valve and exhaust valve
clearances by inserting a feeler gauge (23).
Valve Clearance:
IN: 0.006 ± 0.001 in (0.16 ± 0.03 mm)
EX: 0.011 ± 0.001 in (0.28 ± 0.03 mm)
(23)
(23) feeler gauge
15. Install a new sealing washer (24) and tighten
the cam chain tensioner lifter cover bolt (25).
(24)
(24) sealing washer (new)
(25) cam chain tensioner lifter cover bolt
Crankshaft Hole Cap Installation
1. Install the spark plug (page 63).
2. Coat a new O-ring (1) with engine oil and
install it onto the crankshaft hole cap (2).
Apply grease to the crankshaft hole cap
threads. Install and tighten the crankshaft hole
(23)
cap to the specified torque:
11 lbf·ft (15 N·m, 1.5 kgf·m)
(1) O-ring (new)
(25)
(2) crankshaft hole cap
(2)
(1)
Valve Clearance
Cylinder Head Cover Installation
1. Check that the spark plug hole packing (1) is
in good condition and replace it if necessary.
Apply engine oil to the spark plug hole
packing and install it to the cylinder head
cover (2).
2. Check that the cylinder head cover packing
(3) is in good condition and replace it if
necessary.
Install the cylinder head cover packing into
the cylinder head cover groove.
(1)
(1) spark plug hole packing
(2) cylinder head cover
(3) cylinder head cover packing
Servicing Your Honda
(3)
(2)
(cont'd)
71