Yamaha YZF-R1 2020, Service Manual

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CABLE ROUTING
2-24
1. Intake funnel servo motor lead
2. Main switch coupler
3. Handlebar switch coupler (right) (non-waterproof
4-pole)
4. Handlebar switch coupler (left) (non-waterproof 2-
pole)
5. Handlebar switch coupler (right) (non-waterproof
6-pole)
6. Handlebar switch coupler (left) (waterproof 10-
pole)
7. Handlebar switch coupler (right) (waterproof 4-
pole)
8. Handlebar switch coupler (right) (waterproof 6-
pole)
9. Headlight control unit coupler
10. Headlight control unit
11. Radiator fan motor lead coupler (right) (black)
12. Radiator fan motor lead coupler (left) (white)
13. Rectifier/regulator lead
14. Horn lead
15. Main switch lead
16. Handlebar switch lead (left)
17. Handlebar switch lead (right)
18. Secondary injector #1
19. Secondary injector #2
20. Secondary injector #3
21. Secondary injector #4
22. Fuel hose 2 (secondary injector fuel rail side)
23. Fuel hose 3 (fuel hose 2 to throttle body)
24. Rear shock absorber assembly stepping motor
lead (for YZF-R1M)
25. Coolant temperature sensor lead
26. Crankcase breather hose
27. Fuel hose 1 (fuel tank to fuel hose 2)
28. Secondary injector lead
29. Fuel rail
30. Handlebar switch lead (right) (non-waterproof 4-
pole)
31. Handlebar switch lead (left) (non-waterproof 2-
pole)
32. Handlebar switch lead (right) (non-waterproof 6-
pole)
33. Handlebar switch lead (left) (waterproof 10-pole)
34. Handlebar switch lead (right) (waterproof 4-pole)
A. Cut off the excess end of the plastic locking tie so
that the end is not on the frame boss. Also, check
the position from the side view so that the plastic
locking tie is positioned above the wire harness.
B. Route the main switch leads under the wire
harness.
C. Fasten the main switch leads at the white tape to
the wire harness with a plastic locking tie. Position
the plastic locking tie between the wire harness
holder and the wire harness protector. Face the
buckle of the plastic locking tie downward, and
then cut off the excess end of the tie to 5 mm (0.2
in) or less.
D. Connect the intake funnel servo motor coupler on
top of the frame, and then place it between the air
filter case and the frame.
E. Fasten the right handlebar switch leads, left
handlebar switch leads and radiator fan motor
leads with a plastic locking tie. The leads may be
fastened in any order. Do not fasten the rectifier/
regulator lead with the plastic locking tie. Face the
buckle of the plastic locking tie upward, and then
cut off the excess end of the tie to 5 mm (0.2 in) or
less.
F. Insert the projection on the coupler completely into
the hole in the electrical components tray.
G. Install the coupler completely onto the tab on the
electrical components tray.
H. Fasten the coupler with the holder on the electrical
components tray.
I. The radiator fan motor leads may cross.
J. Fasten the horn lead at the white tape with a
plastic locking tie.
K. 15
–
25 mm (0.59
–
0.98 in)
L. 90
–
100 mm (3.54
–
3.94 in)
M. Inward
N. Cut off the excess end of the plastic locking tie to 5
mm (0.20 in) or less.
O. 60
°
Position the buckle of the plastic locking tie within
the range shown in the illustration.
P. Forward
Q. 30
°
Position the horn lead within the range shown in
the illustration.
R. Fasten the secondary injector lead with the holders
on the air filter case. Make sure that the white tape
on the lead is positioned between the holders.
S. Fasten the secondary injector lead to the fuel rail
with a plastic locking tie. Position the plastic locking
tie at the narrow portion of the fuel rail.
T. Route the coolant temperature sensor lead under
the fuel hose.
U. Route the secondary injector lead to the rear of the
cross bar.
V. Fasten the secondary injector lead to the fuel rail
with a plastic locking tie. Point the end of the plastic
locking tie rearward. Do not cut off the excess end
of the plastic locking tie.
W. Make sure that the leads do not protrude to the
outside of the guide on the electrical components
tray.
X. The leads may be fastened in any order.
Y. Fasten the right handlebar switch leads and left
handlebar switch lead with a plastic locking tie.
Face the buckle of the plastic locking tie forward,
and then cut off the excess end of the tie to 5 mm
(0.2 in) or less.