Yamaha WR250R Service Manual page 57

1. Starter motor lead
2. Coolant temperature sensor lead
3. Speed sensor lead
4. Negative battery lead
5. Starter relay
6. Starter relay probe
7. Starter relay lead
8. Intake solenoid lead
9. ECU lead
10. Headlight relay
11. Turn signal relay
12. Radiator fan motor relay
13. Relay unit
14. Positive battery lead
15. EXUP servo motor lead
16. Sidestand switch lead
17. AC magneto lead
18. Neutral switch lead
19. Recovery tank hose
20. Rectifier/regulator
21. Fuse box
22. Air cut-off valve lead
23. Air induction system pipe
24. Horn lead
25. Neutral switch lead
26. Recovery tank hose
27. Cover
28. Clutch cable
29. Wire harness
A. Dimensions of wire harness fastening.
B. Fasten the wire harness, clutch cable, clutch
switch lead, and left handlebar switch lead
using a cable tie. Place the clutch cable at the
top position. The others can be in any position.
C. Route the wire harness under the clutch cable,
above the throttle cable, and along the right
side of vehicle.
D. Pass the ignition lead under the clutch cable,
above the throttle cable, and through the hole
inside of frame tank rail.
E. Wire harness branch (at left side of vehicle)
connected to the fuse box, AC magneto and
others.
F. Securely insert the wire harness clamp into the
T-stud of cable holder.
G. Fasten the wire harness, starter motor lead,
negative battery lead, coolant temperature sen-
sor lead, and speed sensor lead to the frame
with a cable tie.
H. Fasten the starter motor lead, negative battery
lead, coolant temperature sensor lead, and
speed sensor lead to the frame with a cable tie.
Fasten them to the outside of RCU mounting
boss (left).
I. To engine.
J. Fasten the wire harness, starter motor lead,
negative battery lead, coolant temperature sen-
sor lead, and speed sensor lead using a cable
tie.
K. Securely insert the wire harness clamp into the
T-stud of the rear frame.
L. Pass the ECU lead between the intake solenoid
hose and connector.
M. Wrap the connectors with a cover for protection.
N. Fasten the starter motor lead, negative battery
lead, coolant temperature sensor lead, and
speed sensor lead using a cable tie. Fasten
them between the battery band and battery ter-
minals, and face their cable lock inward.
O. Route the sidestand switch lead to the inside of
battery band.
P. Fasten the rear frame and sidestand switch
lead using a cable tie.
Q. Fasten the rear frame, sidestand switch lead
using a cable tie. They must be fixed to the
T-stud of the rear frame. Any locking position
can be used.
R. Position the recovery tank hose end between
the engine bracket and down tube.
S. Pass the clutch cable through the inside of FID
hose.
T. Fasten the neutral switch lead, and recovery
tank hose to the down tube with a cable tie. An
excess must face inward.
U. Fasten the AC magneto lead, neutral switch
lead, and recovery tank hose to the down tube
with a cable tie. They must be fixed to the T-stud
of down tube. Any locking position can be used.
V. Fasten the recovery tank hose to the down tube
with clamps. They must be fixed to the T-stud of
down tube. Any locking position can be used.
W. After cable connection, place the connectors in
the cover, and mount them in a hole of the
frame.
X. Clamp the wire harness, clultch cable and
clutch switch lead (6-pin natural color) at the top
of sidecover stay mount boss.
Y. Fix the fuse box lead to the side cover stay.
Z. Pass the AC magneto lead and neutral switch
lead through the behind of rectifier regulator.
AA. Pass the horn lead through the behind of recti-
fier regulator.
AB. Fasten the magneto lead, horn lead, and the
top of cover (for AC magneto lead and neutral
switch lead) using a cable tie. An excess must
face inward. (The bare conductors of lead can
be clamped.)
AC. Fasten the sidecover stay, AC magneto lead,
neutral switch lead, and horn lead using a cable
tie. An excess must face forward.
AD. The AC magneto lead and neutral switch lead
must not contact with the horn.
AE. After connecting the AC magneto lead and
neutral switch lead, place their connectors in
the cover.
AF. Fasten the sidecover stay, AC magneto lead,
and neutral switch lead using a cable tie.
AG. Rotate the AC magneto lead to the cover.
AH. Fasten the rear frame cover using a cable tie.
The clamp lock must face downwards.
AI. Fasten the sidestand switch lead to the rear
frame with a cable tie. Pass the lead through
the hole of rear frame bracket, and direct the
clamp lock to the inside of the frame.
AJ. Install the cover between of the wire harness
(inside) and clutch cable (outside).
AK. Do not route the AC magneto lead, neutral
switch lead, horn lead and air induction lead
above the air cut-off valve assembly.
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CABLE ROUTING