Yamaha YZ450FA Automobile User Manual


 
3-11
ENGINE
2. Apply:
• Lithium soap base grease
On the throttle cable end "a".
3. Install:
• Throttle grip cap
• Screw (throttle grip cap)
• Cover (grip cap)
• Cover (throttle cable cap)
CHECKING THE THROTTLE VALVE PULLY
COVER DRAIN HOSE
Drain the water that stays in the throttle valve
pulley cover after a machine wash or a rainy
weather ride.
1. Drain the water by picking up the flat portion
of the lower end "a" of the drain hose.
CLEANING THE AIR FILTER ELEMENT
1. Remove:
• Seat
2. Remove the fuel tank bolt (front) "1" and lift
the fuel tank.
Hold the fuel tank in position by the use of the
fuel tank holding cable "2".
3. Remove:
• Mounting bolt for air filter case cover
4. Loosen and release the binder "1" and lift
the air filter case lid.
Hold the air filter case lid by the use of the bind-
er.
5. Remove:
• Air filter guide
• Air filter element "1"
Do not remove the thin sheet (air filter ele-
ment 2) “2” under the air filter element un-
less it is dirty. It is there to prevent foreign
matter from dropping into the throttle body.
If the thin sheet must be removed for clean-
ing, lift it carefully to avoid loosening the
dirt, and then temporarily block the throttle
body opening with a clean, lint-free cloth.
Screw (throttle grip cap):
4 Nm (0.4 m•kg, 2.9 ft•lb)