Lubricating The Throttle Cable; Cleaning The Air Filter Element - Yamaha YZ450F Owner's Service Manual

2. Adjust:
• Throttle grip free play
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a. Loosen the locknut "1".
b. Turn the adjuster "2" until the specified free
play is obtained.
Direction "a"
Throttle grip free play is increased.
Direction "b"
Throttle grip free play is decreased.
c. Tighten the locknut.
EWA
WARNING
After adjusting the throttle grip free play,
turn the handlebar to the right and to the left
to ensure that this does not cause the en-
gine idling speed to change.
2
b
a
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LUBRICATING THE THROTTLE CABLE

EASB111078
1. Remove:
• Cover (throttle cable cap) "1"
• Cover (grip cap) "2"
• Throttle grip cap "3"
2. Lubricate:
• Throttle cable end "a"
Recommended lubricant
Lithium-soap-based grease
1
3. Install:
• Throttle grip cap
• Screw (throttle grip cap)
Screw (throttle grip cap)
3.8 Nm (0.38 m·kgf, 2.8 ft·lbf)
4. Install:
• Cover (grip cap)
• Cover (throttle cable cap)
EWA
WARNING
Check that the throttle grip moves smooth-
ly. If this does not move smoothly, correct
the installed positions.

CLEANING THE AIR FILTER ELEMENT

EASB111079
1. Remove:
• Fuel tank cap cover "1"
Refer to "FUEL TANK CAP" on page 1-20.
• Air filter case cover "2"
TIP
Loosen the quick fastener screw "3" and re-
move the air filter case cover.
3
2. Remove:
• Air filter mounting bolt "1"
• Air filter element "2"
• Air filter guide "3" (from the air filter element)
3-12
ENGINE
3
2
3
1