Yamaha YZ125X 2023, Owner'S Manual

Page: 53 / 146

ENGINE
3-9
6. Install:
•
Air filter guide “1”
TIP
Align the projection “a” on filter guide with the
hole “b” in air filter element.
7. Apply:
• Lithium-soap-based grease
(on the matching surface “a” on air filter case)
8. Install:
•
Air filter element “1”
• Washer
•
Fitting bolt
TIP
Align the projection “a” on filter guide with the
hole “b” in air filter case.
NOTICE
ECA26420
Make sure that the air filter element is prop-
erly seated in the air filter case. The engine
should never be operated without the air fil-
ter element installed, otherwise the piston(s)
and/or cylinder(s) may become excessively
worn.
EAM30541
CHECKING THE CARBURETOR JOINT
1. Check:
• Carburetor joint “1”
Cracks/damage

Replace.
EAM30542
CHECKING THE CARBURETOR HOSES
The following procedure applies to all of the fuel
and vacuum hoses.
1. Check:
•
Fuel hose
• Air vent hose “1”
•
Overflow hose “2”
Cracks/damage

Replace.
Loose connection

Connect properly.
Fitting bolt
2.0 N·m (0.20 kgf·m, 1.5 lb·ft)
a
T
R
.
.
1
a
b
1 1 1
1
1
1
2