Yamaha WR250F(P), Owner'S Service Manual

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4 - 13
ENG
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 (accelerator pump) 2
●
Accelerator pump cover 3
●
O-ring 4
●
Push rod 5
Tears (diaphragm)/damage
→
Replace.
Dirt
→
Clean.
2. Inspect:
●
Throttle shaft 1
●
Spring 2
●
Lever 1
3
●
Spring 1 4
●
Lever 2 5
●
Spring 2 6
Dirt
→
Clean.
1
2
3
4
5
6
Air cut valve
1. Inspect:
●
Diaphragm (air cut valve) 1
●
Spring (air cut valve) 2
●
Air cut valve cover 3
●
O-ring 4
Tears (diaphragm)/damage
→
Replace.
1 2
3
4
ASSEMBLY AND INSTALLATION
Carburetor
1. Install:
●
Hot starter plunger (red) 1
●
Cold starter plunger 2
CARBURETOR