Yamaha YZ450FP 2023, Owner'S Service Manual

Page: 96 / 388

ENGINE
3-18
7. Install:
• Air filter case cover “1”
•
Fuel tank breather hose “2”
(to the air filter case cover)
TIP
•
To install the air filter case cover:
• Insert the projection “a” on air filter case cover
to the hole “b” in the air filter case “3”.
• Push the rear side of the air filter case cover
to hook the ribs “c” to the air filter case.
•
Insert the fuel tank breather hose end with the
protector into the steering shaft hole.
• Fit the other end of the fuel tank breather hose
into the projection on the fuel tank cap.
• Route the fuel tank breather hose through the
guide “d”, and then fit it into the groove “e” in
the air filter case cover.
8. Install:
•
Sub-seat
EAM30335
CHECKING THE THROTTLE BODY JOINT
1. Check:
• Throttle body joint “1”
Crack/damage

Replace.
EAM30222
CHECKING THE FUEL LINE
1. Remove:
• Seat
• Side cover (left/right)
3
1
2
c c c
a a
4
b
1
c c c
b b b
a a a
3 3 3
1 1 1
d
2
e
1