Yamaha 2001 YZ426F/LC Owner's Service Manual page 262

2
1
5
3 4
CARBURETOR
Starter plunger
1. Inspect:
Cold starter plunger 1
Hot starter plunger (red) 2
Wear/damage → Replace.
Accelerator pump
1. Inspect:
Diaphragm (accelerator pump) 1
Spring 2
Cover 3
O-ring 4
Push rod 5
Tears (diaphragm)/damage → Replace.
Dirt → Clean.
2. Inspect:
Throttle shaft 1
Spring 2
6
Lever 1 3
Spring 1 4
Lever 2 5
Spring 2 6
Dirt → Clean.
ASSEMBLY AND INSTALLATION
Carburetor
1. Install:
Hot starter plunger (red) 1
Cold starter plunger 2
2. Install:
Main air jet 1
Pilot air jet 2
Intake joint 3
4 - 13
ENG
5 Nm (0.5 m · kg, 3.6 ft · lb)