Yamaha WR450F(T) Owner's Service Manual page 328

2
1
3 4
1 2
4
1
Accelerator pump
1. Inspect:
2. Inspect:
6
5
Air cut valve
3
1. Inspect:
ASSEMBLY AND INSTALLATION
Carburetor
1. Install:
2. Install:
4 - 14
CARBURETOR
• Diaphragm (accelerator pump) 1
• Spring 2
• Cover 3
• O-ring 4
• Push rod 5
Tears (diaphragm)/damage → Replace.
Dirt → Clean.
• Throttle shaft 1
• Spring 2
• Lever 1 3
• Spring 1 4
• Lever 2 5
• Spring 2 6
Dirt → Clean.
• Diaphragm (air cut valve) 1
• Spring (air cut valve) 2
• Air cut valve cover 3
• O-ring 4
Tears (diaphragm)/damage → Replace.
• Cold starter plunger 1
• Pilot air jet 1
ENG