Yamaha YZF-R1 2020 Service Manual page 75

1. Rear wheel sensor coupler
2. Rear brake light switch coupler
3. Hydraulic unit
4. Battery
5. Joint coupler
6. Yamaha diagnostic tool coupler
7. Tail/brake light lead
8. Rear turn signal light coupler
9. EXUP servo motor
10. Starter relay
11. Wire harness
12. Hydraulic unit tray
13. Rear wheel sensor lead
14. Rear brake light switch lead
15. EXUP cable 2
16. EXUP cable 1
17. Brake hose
18. Rear shock absorber assembly stepping motor
lead (for YZF-R1M)
19. Rear shock absorber assembly gas cylinder
20. Yamaha diagnostic tool coupler lead
21. Negative battery lead
22. Battery box
23. License plate light lead
24. Rear turn signal light lead (left)
25. Rear turn signal light lead (right)
26. Positive battery lead
27. Starter relay lead
28. EXUP servo motor lead
29. Main fuse lead
30. Starter motor lead
31. Fuse box
32. Fuse box lead
33. Joint coupler lead
34. IMU lead
35. CCU lead (To sub-wire harness for YZF-R1M)
A. The rear turn signal light leads, license plate light
lead, and tail/brake light lead may be routed in any
order.
B. Insert the projection on the rear wheel sensor
coupler into the hole in the hydraulic unit tray.
C. Position the rear brake light switch coupler toward
the hydraulic unit.
D. Fasten the rear wheel sensor lead and rear brake
light switch lead to the hydraulic unit tray with a
plastic locking tie. Point the end of the plastic
locking tie upward, and then cut off the excess end
of the tie to 5 mm (0.2 in) or less.
E. Route the rear brake light switch lead to the
outside of the EXUP cables, and between the
brake hoses.
F. Fasten the rear wheel sensor lead and rear brake
light switch lead to the brake hose with a plastic
locking tie. Point the end of the plastic locking tie
downward.
G. Route the rear wheel sensor lead to the outside of
the EXUP cables, and between the brake hoses.
H. Route the rear shock absorber assembly stepping
motor lead to the inside of the brake hose and to
the inside of rear brake light switch lead. (For
YZF-R1M)
I. Route the rear shock absorber assembly stepping
motor lead to the outside of the EXUP cables, to
the inside of the rear brake light switch lead, and to
the inside of the brake hose. (For YZF-R1M)
J. Route the EXUP cables to the front of the rear
shock absorber assembly gas cylinder.
K. Route the Yamaha diagnostic tool coupler lead
under the joint coupler.
L. Route the negative battery lead under the joint
coupler.
M. Route the negative battery lead between the ribs.
N. Route the Yamaha diagnostic tool coupler lead
outside of the negative battery lead.
O. Fasten the tail/brake light lead, license plate light
lead with the holder. The leads may be routed in
any order.
P. Route the positive battery lead over the EXUP
servo motor lead and starter relay lead.
Q. Route the starter motor lead under the main fuse
lead.
R. Route the starter motor lead into the space in the
battery box.
S. Insert the projection on the holder into the hole in
the battery box.
T. Route the starter motor lead under the wire
harness and negative battery lead.
U. Route the fuse box lead between the outer rib of
the hydraulic unit tray and the rib for installing the
fuse box.
V. Route the negative battery lead under the other
leads.
W. Route the Yamaha diagnostic tool coupler lead,
joint coupler lead, IMU lead, and CCU lead to the
inside of the rib on the hydraulic unit tray. The
leads may be routed in any order.
X. Route the starter motor lead under the negative
battery lead.
2-36
CABLE ROUTING