Checking The Throttle Body Joint And Intake Manifold - Yamaha MBK XMAX 2014 Service Manual

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6. Adjust:
• Valve clearance
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a. Loosen the locknut "1".
b. Insert a thickness gauge "2" between the end
of the adjusting screw and the valve tip.
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2
c. Turn the adjusting screw "3" in direction "a" or
"b" with the tappet adjusting tool "4" until the
specified valve clearance is obtained.
Direction "a"
Valve clearance is increased.
Direction "b"
Valve clearance is decreased.
Tappet adjusting tool
90890-01311
Six piece tappet set
YM-A5970
a
3
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b
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PERIODIC MAINTENANCE
d. Hold the adjusting screw to prevent it from
moving and tighten the locknut to specifica-
tion.
e. Measure the valve clearance again.
f. If the valve clearance is still out of specifica-
tion, repeat all of the valve clearance adjust-
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ment steps until the specified clearance is
obtained.
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7. Install:
• Timing mark accessing plug
(along with the O-ring
• Cylinder head cover gasket
• Cylinder head cover
• Spark plug
• Spark plug cap
8. Install:
• V-belt case air filter element
• V-belt case air duct
• V-belt case air duct gasket
• V-belt case cover
9. Install:
• Storage box
Refer to "GENERAL CHASSIS" on page 4-1.
EAS21020
CHECKING THE THROTTLE BODY JOINT
AND INTAKE MANIFOLD
1. Remove:
• Storage box
Refer to "GENERAL CHASSIS" on page 4-1.
2. Check:
• Throttle body joint "1"
• Intake manifold "2"
Cracks/damage → Replace.
3-6
Locknut (valve clearance adjust-
ing screw)
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
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New
)
Timing mark accessing plug
8 Nm (0.8 m·kgf, 5.8 ft·lbf)
Cylinder head cover bolt
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Spark plug
13 Nm (1.3 m·kgf, 9.4 ft·lbf)
New
V-belt case cover bolt
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
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New