Yamaha YZ450FA Automobile User Manual


 
3-12
ENGINE
6. Clean:
• Air filter element
Clean them with solvent.
After cleaning, remove the remaining solvent
by squeezing the element.
• Do not twist the element when squeezing
the element.
• Leaving too much of solvent in the ele-
ment may result in poor starting.
7. Inspect:
• Air filter element
Damage Replace.
8. Apply:
Foam-air-filter oil or equivalent oil to the ele-
ment
Squeeze out the excess oil. Element should be
wet but not dripping.
9. If the thin sheet (air filter element 2) is dirty
with mud etc., clean the thin sheet (air filter
element 2) by the following steps.
Cleaning steps:
a. Remove the air filter element 2 "1".
b. Clean the air filter element 2 with solvent.
After cleaning, remove the remaining solvent
by squeezing the element.
Do not twist the element when squeezing
the element.
c. Inspect the air filter element 2.
Damage Replace.
d. Install the air filter element 2.
10.Install:
• Air filter element "1"
• Air filter guide "2"
• Binder
11.Install:
• Mounting bolt for air filter case cover
12.Install:
• Fuel tank bolt (front)
CHECKING THE THROTTLE BODY JOINT
1. Remove:
•Seat
• Air scoop (left/right)
• Fuel tank
• Air filter
2. Check:
• Throttle body joint "1"
Cracks/damage Replace.
Oil application quantify:
35 g
Mounting bolt for air filter case cov-
er:
4 Nm (0.4 m•kg, 2.9 ft•lb)
Fuel tank bolt (front):
9 Nm (0.9 m•kg, 6.5 ft•lb)