2007 YAMAHA WR 250F drain bolt

5 - 31
ENGCARBURETOR
11. Install:
Needle valve
1
Float
2
Float pin
3
NOTE:After installing the needle valve to
the float, install them to the carbu-
retor.
Check the float for smooth move-
ment.
12. Install:
O-ring
Leak jet
1
Float chamber
2
Bolt (float chamber)
3
Cable holder
(throttle stop screw cable)
4
Hose holder
(carburetor breather hose)
5
13. Install:
Diaphragm (air cut valve)
1
Spring (air cut valve)
2
O-ring
3
Air cut valve cover
4
Holder (cylinder head breather
hose)
5
Screw (air cut valve cover)
6
653
4
1 2
14. Install:
Diaphragm
(accelerator pump)
1
Spring
2
O-ring
3
Accelerator pump cover
4
Hose holder (drain hose)
5
Screw
(accelerator pump cover)
6
NOTE:Install the diaphragm (accelerator
pump) with its mark
a facing the
spring.
11. Monter:
Pointeau 1
Flotteur 2
Axe de flotteur 3
N.B.:
Après avoir monté le pointeau sur le
flotteur, les monter sur le carburateur.
Contrôler que le flotteur se déplace
librement.
12. Monter:
Joint torique
Gicleur de fuite 1
Cuve 2
Boulon (cuve) 3
Etrier de câble
(câble de la vis de butée de
papillon des gaz) 4
Support de durit
(durit de mise à l’air du carbura-
teur) 5
13. Monter:
Diaphragme
(clapet de coupure d’air) 1
Ressort (clapet de coupure d’air)
2
Joint torique 3
Couvercle du clapet de coupure
d’air 4
Support (durit de mise à l’air du
cylindre) 5
Vis (couvercle du clapet de cou-
pure d’air) 6
14. Monter:
Diaphragme
(pompe de reprise) 1
Ressort 2
Joint torique 3
Couvercle de la pompe de reprise
4
Support de durit
(durit de vidange) 5
Vis (couvercle de la pompe de
reprise) 6
N.B.:
Monter le diaphragme (pompe de
reprise) en orientant son repère a vers
le ressort.
CARBURATEUR

6 - 23
CHASFRONT BRAKE AND REAR BRAKE
EC5A0000
FRONT BRAKE AND REAR BRAKE
EC5A8000FRONT BRAKE
Extent of removal:
1 Brake hose removal
2 Brake caliper removal
3 Brake master cylinder removal
Extent of removal Order Part name Q’ty Remarks
FRONT BRAKE REMOVAL
WARNING
Support the machine securely so there is nodanger of it falling over. Preparation for removal Hold the machine by placing the suitable
stand under the engine.
Drain the brake fluid. Refer to “REMOVAL POINTS”.
1 Brake hose holder (protector) 2
2 Brake hose holder (brake caliper) 1
3 Union bolt 2
4 Brake hose 1
5 Pad pin plug 1 Remove when loosening the pad pin.
6 Pad pin 1 Loosen when disassembling the brake caliper.
7 Brake caliper 1
8 Brake lever 1
9 Brake master cylinder bracket 1
10 Brake master cylinder 1
12
2
3
3

6 - 27
CHASFRONT BRAKE AND REAR BRAKE
EC5A8100REAR BRAKE
Extent of removal:
1 Brake master cylinder removal
2 Brake hose removal
3 Brake caliper removal
Extent of removal Order Part name Q’ty Remarks
REAR BRAKE REMOVAL
WARNING
Support the machine securely so there is nodanger of it falling over. Preparation for removal Hold the machine by placing the suitable
stand under the engine.
Rear wheel Refer to “FRONT WHEEL AND REAR WHEEL”
section.
Drain the brake fluid. Refer to “REMOVAL POINTS”.
1 Brake pedal 1
2 Brake master cylinder 1
3 Brake hose holder 2
4 Union bolt 2
5 Brake hose 1
6 Pad pin plug 1 Remove when loosening the pad pin.
7 Pad pin 1 Loosen when disassembling the brake caliper.
8 Brake caliper 1
1
13
3
2

6 - 65
CHASFRONT FORK
EC558000FRONT FORK DISASSEMBLY
Extent of removal:
1 Oil seal removal
2 Damper rod removal
Extent of removal Order Part name Q’ty Remarks
FRONT FORK DISASSEMBLY
1 Front fork cap bolt 1 Refer to “REMOVAL POINTS”.
2 Fork spring 1 Drain the fork oil.
3 Dust seal 1
Refer to “REMOVAL POINTS”.
4 Stopper ring 1
5 Inner tube 1
6 Outer tube 1
7 Piston metal 1
8 Slide metal 1
9 Oil seal washer 1
0 Oil seal 1
A Spring guide 1
B Base valve 1 Use special tool.
C Damper rod 1 Refer to “REMOVAL POINTS”.
1
2