Checking The Throttle Body Joint; Checking The Fuel Line - Yamaha YZ450FP 2023 Owner's Service Manual

3
4
a a
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.
1
2
b
c c c
3-18
a a a
b b b
3 3 3
e
1 1 1
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)
ENGINE
1
c c c
2
d
1