Adjusting The Throttle Cable Free Play; Lubricating The Throttle; Cleaning The Air Filter Element - Yamaha YZ125 2009 Owner's Service Manual

ADJUSTING THE THROTTLE CABLE FREE
PLAY
1. Check:
• Throttle grip free play "a"
Out of specification → Adjust.
Throttle grip free play "a":
3–5 mm (0.12–0.20 in)
2. Adjust:
• Throttle grip free play
Throttle grip free play adjustment steps:
a. Slide the adjuster cover.
b. Loosen the locknut "1".
c. Turn the adjuster "2" until the specified free
play is obtained.
d. Tighten the locknut.
Locknut:
7 Nm (0.7 m•kg, 5.1 ft•lb)
Before adjusting the throttle cable free play, the
engine idle speed should be adjusted.
After adjusting the throttle cable free play,
start the engine and turn the handlebar to
right and left and make sure that the engine
idling does not run faster.

LUBRICATING THE THROTTLE

1. Remove:
• Cap cover "1"
• Throttle cable cap "2"
2. Apply:
• Lithium soap base grease
On the throttle cable end "a", tube guide ca-
ble winding portion "b" and roller sliding sur-
face "c".
3. Install:
• Throttle cable cap
Throttle cable cap:
1 Nm (0.1 m•kg, 0.7 ft•lb)
• Cap cover

CLEANING THE AIR FILTER ELEMENT

Proper air filter maintenance is the biggest key
to preventing premature engine wear and dam-
age.
3-9
ENGINE