Yamaha MTN850-A 2017, Service Manual, Page: 87 / 560

CABLE ROUTING
2-50
1. Clamp
2. Rear brake light switch lead
3. Main switch lead
4. Handlebar switch lead (right)
5. Front brake hose
6. Wire harness
7. O
2
sensor coupler
8. O
2
sensor lead
9. Frame
10.Engine
11.Adapter bracket
12.Bracket
A. Insert the clamp into the long hole in the bat-
tery box.
B. Route the rear brake light switch lead outside
the wire harness branch to the O
2
sensor
lead.
C. To the ECU coupler
D. When clamping the main switch lead, clamp
as shown in the illustration while keeping the
main switch lead to the right of the handlebar
center.
E. Route the handlebar switch lead (right) on the
outside of the main switch lead.
F. Connect the O
2
sensor coupler, and then fas-
ten to the bracket. Make sure that the top of
the coupler does not protrude. It is okay if the
cover is deformed.
G. Fasten the O
2
sensor lead with the clamp,
and then install it on the bracket.
H. Route the O
2
sensor lead and the rear brake
light switch lead through the bracket guide.
I. Route the rear brake light switch lead outside
brake fluid reservoir hose.
J. It does not matter whether the O
2
sensor lead
or the rear brake light switch lead is on top
(bottom) in the area shown in the illustration.
K. Insert the clamp so that it touches the rim of
the frame.
L. Clamp the main switch lead and handlebar
switch lead (right).
Align the main switch lead and handlebar
switch lead (right) with the center part of the
positioning tape.
Route the end through the hole in the frame,
and cut it off at the end surface of the frame.
M. Positioning tape portion of the handlebar
switch lead (right)
N. Fasten the O
2
sensor lead with the holder.
O. Route O
2
sensor lead inside to the protrusion
of the adapter bracket.
P. Inside vehicle
Q. Frame end
R. Positioning tape
S. Insert the clamp of the wire harness into the
hole in the bracket.