Yamaha YZ450F Owner's Service Manual page 73

1. Clutch cable
2. Throttle cable (return)
3. Throttle cable (pull)
4. Launch control switch lead
5. Engine stop switch lead
6. Cable holder
7. Coupler for connecting optional part
8. Engine stop switch coupler
9. Launch control switch coupler
10. Rectifier/regulator coupler
11. AC magneto lead
12. Starter knob/idle screw
13. Neutral switch lead
14. Crankcase cover
15. Front engine bracket
16. Radiator hose
17. Neutral switch coupler
18. AC magneto coupler
19. Tension arm
20. Rectifier/regulator lead
21. Main harness
22. Tank rail
23. Radiator
24. Cylinder head breather hose
25. Radiator breather hose
26. Down tube
27. Crankcase
A. Pass the engine stop switch lead and the launch
control switch lead between the frame and the ca-
ble holder. Route the launch control switch lead
above the engine stop switch lead.
B. Insert the coupler for connecting optional part into
the connector, and fix it to the bracket.
C. Insert and fix the engine stop switch coupler to
the bracket.
D. Make sure that the launch control switch lead
does not contact the radiator.
E. Insert and fix the launch control switch coupler to
the bracket.
F. Insert and fix the rectifier/regulator coupler to the
bracket.
G. Pass the AC magneto lead to the front of the ve-
hicle beyond the starter knob/idle screw and to
the rear of the vehicle beyond the radiator. No
pinch is allowed between the radiator and the
tension arm.
H. 70 mm (2.76 in)
I. Bring the neutral switch lead into line with the
crankcase cover with no sag allowed.
J. Bring the AC magneto lead into line with the
clutch cable with no sag allowed.
K. Pass the neutral switch lead to the inside of the
front engine bracket (the side of the vehicle).
L. Clamp the clutch cable and the AC magneto lead
by the plastic locking tie. Regardless of the orien-
tation of the lock on the plastic locking tie, cut the
end.
M. Pass the clutch cable with no downward sag al-
lowed.
N. Bring the grommet of the clutch cable into contact
with the radiator hose, and pass it to the outside
of the neutral switch lead and the AC magneto
lead (the outside of the vehicle).
O. 40 mm (1.57 in)
P. Clamp the clutch cable, the AC magneto lead,
and the neutral switch lead by the plastic locking
tie. Make sure that they are clamped at the posi-
tioning tape in the clutch cable. Make the lock on
the plastic locking tie face the front of the vehicle,
and cut the end.
CABLE ROUTING DIAGRAM
Q. After connecting the neutral switch coupler, at-
tach the coupler cover.
R. After connecting the AC magneto coupler, attach
the coupler cover.
S. Pass the rectifier/regulator lead to the inside of
the tension arm (the side of the vehicle).
T. Pass the main harness to the front of the radiator
hose (the front of the vehicle), and to the inside of
the throttle cable (the side of the vehicle).
U. Pass the engine stop switch lead and launch con-
trol switch lead between the coupler for connect-
ing optional part and the tank rail.
V. Pass the radiator breather hose between the
down tubes.
W. Clamp the radiator breather hose, above the en-
gine bracket (front). Clamp the lock on the plastic
tie with it located outside the vehicle, and face the
end toward the front of the vehicle.
X. Clamp the clutch cable at the front of the lead (the
front of the vehicle).
Y. Make the lock on the plastic locking tie face the
front of the vehicle, and insert the projection into
the hole in the frame. Cut the end of the plastic
locking tie.
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