2-14
CHK
ADJ
PERIODIC MAINTENANCE
1
3
2
5. Adjust:
9 Valve clearance
Adjustment steps:
a. Loosen the locknuts 1 and insert the
0.07 mm (0.0028 in) thickness gauge
between the rocker arm and the valve
tip.
b. Using the tappet adjusting tool 2 turn
the adjuster 3 in or out to obtain the
proper valve clearance. Move the thick-
ness gauge up and down to check for
the proper resistance.
Six piece tappet set:
YM-A5970
Tappet adjusting tool:
90890-01311
Feeler gauge set:
YU-26900-9
Thickness gauge:
90890-03180
Adjuster Valve clearance
Turn clockwise Decrease
Turn counterclockwise Increase
c. Tighten the locknuts 1.
7 Nm (0.7 m · kgf, 5.1 ft · lbf)
6. Install:
9 Cylinder head cover gasket
9 Cylinder head cover
11 Nm (1.1 m · kgf, 8.0 ft · lbf)
9 Breather hose
9 Spark plug
20 Nm (2.0 m · kgf, 14 ft · lbf)
9 Spark plug cap
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