Yamaha YZ450FN 2022, Owner'S Service Manual, Page: 91 / 366

ENGINE
3-15
NOTICE
ECA26740
If the engine oil level does not decrease after
the engine has been started, immediately
turn the engine off. Otherwise, the engine
could seize.
c. If the engine oil level does not decrease at
the specified level mark, check the engine
oil system for leaks, and the engine oil
passages and oil pump for damage.
d. Check the oil pressure again.
EAM30216
ADJUSTING THE CLUTCH LEVER FREE
PLAY
1. Check:
•
Clutch lever free play “a”
Out of specification

Regulate.
2. Adjust:
•
Clutch lever free play
Handlebar side
a. Turn the adjuster “1” until the specified
clutch lever free play is obtained.
TIP
If the clutch lever free play cannot be obtained
on the handlebar side, use the adjuster on the
clutch cable side.
Clutch cable side
a. Slide the clutch cable cover.
b. Loosen the locknut “1”.
c. Turn the adjuster “2” until the specified
clutch lever free play is obtained.
d. Tighten the locknut “1”.
e. Return the clutch cable cover to its original
position.
EAM30370
ADJUSTING THE CLUTCH LEVER POSITION
1. Adjust:
•
Clutch lever position “a”
Loosen the locknut “1” and use the adjuster
“2” to adjust the clutch lever position “a” as
desired.
2. Tighten:
• Locknut
EAM30219
CLEANING THE AIR FILTER ELEMENT
1. Remove:
• Fuel tank cap cover “1”
Refer to “FUEL TANK CAP” on page 1-23.
• Air filter case cover “2”
TIP
• Loosen the quick fastener screw “3” and re-
move the air filter case cover.
• Remove the two ribs “a” located on the left and
right sides of the projections “b” on the air
Clutch lever free play
7.0–12.0 mm (0.28–0.47 in)
1
Clutch cable locknut
4.3 N·m (0.43 kgf·m, 3.2 lb·ft)
Locknut (clutch lever position)
4.8 N·m (0.48 kgf·m, 3.5 lb·ft)
T
R
.
.
1
2
1
2
a
T
R
.
.