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