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Valve Clearance
74 Servicing Your Honda
(14) camshaft holders
(17) camshaft holder bolts A
(18) camshaft holder bolts B
10. Rotate the camshaft by rotating the crankshaft
clockwise several times.
11. Insert the feeler gauge (22) between the intake
valve lifter and cam.
If the feeler gauge cannot be inserted, the
shim is caught between the valve lifter and
the valve retainer. Remove the camshaft
holders, place the shim correctly, and reinstall
the camshaft holders.
Valve Clearances:
IN: 0.005 ± 0.001 in (0.12 ± 0.03 mm)
EX: 0.011 ± 0.001 in (0.28 ± 0.03 mm)
(22) feeler gauge
12. Install the spark plug (page 67).
13. Coat a new O-ring (23) with oil and install it
onto the crankshaft hole cap (24).
Apply grease to the crankshaft hole cap
threads.
Install and tighten the crankshaft hole cap to
the specified torque:
11 lbf·ft (15 N·m, 1.5 kgf·m)
(18)
(17)
(17)
(14)
(22)
8. Remove the tensioner stopper (19) from the
cam chain tensioner lifter.
(19)
(19) tensioner stopper
9. Install a new sealing washer (20) and tighten
the cam chain tensioner lifter cover bolt (21).
(20) sealing washer
(21) cam chain tensioner lifter cover bolt
(20)
(21)
(16) identification marks
6. Install the camshaft holders (14) in their
proper position by aligning the camshaft
bearing grooves (15) with the set rings (13).
7. Apply oil to the camshaft holder bolt threads
and seating surface.
Tighten the camshaft holder bolts A (17) and
B (18) to the specified torque:
12 lbf·ft (16 N·m, 1.6 kgf·m)
Tighten the camshaft holder bolts in a criss-cross
pattern in two or three steps.
(16)
(23) O-ring (new)
(24) crankshaft hole cap
(24)
(23)
Each camshaft holder has an identification mark
(16).
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