2004 YAMAHA YZF-R1SC Service Manual

2-37
F Clamp the leads inside the front
fork of the vehicle. Point the exit
of the horn lead to the left front
fork side.
G Two throttle cables should not
cross with each other.
Route two throttle cables behind
the brake hose, pass between
the inside of the under bracket’s
upper side front fork and guide
wire assembly, and then pass it
through the clamp that is in-
serted to the cover 3 under the
frame.A Route the clutch cable so as to
get along the front side of the
main switch after passing it
through the guide.
B Pass the main switch lead
through the guide wire.
C Pass the left handlebar switch
lead through the guide wire.
D Point the tip of the band (exces-
sive part) to the rear side of the
vehicle and cut the surplus sec-
tion. Clamp it to the outer tube.
E Clamp the section between 0
and 20 mm (0 and 0.79 in) from
the split of the under bracket.
CABLE ROUTINGSPEC
1Right handlebar switch lead
2Clutch cable
3Main switch lead
4Left handlebar switch lead
5Horn lead
6Horn
7Throttle cables
8Brake hose
9Throttle cable (return side)
10Throttle cable (pull side)
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2-38
CABLE ROUTINGSPEC
H Clamp the assembly of the
clamp and guide wire to the front
fork outer tube. Cut the tip of the
clamp leaving 2 to 4 mm (0.08 
0.16 in). Point the binding part to
the external part of the vehicle.
Clamp it to the outer tube.
I Cut the tip leaving 2 to 4mm
(0.08  0.16 in).
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2-39
E Clamp the clamp upper end
along the line of lower end of the
hose clamp assembly. Point the
tip of the clamp (surplus section)
to the front side of the vehicle.
Clutch cable is what the clamp
fastens.
F The clutch cable doesn’t project
outside the water hose and the
cylinder head in the box part in
the figure.
G To the engine
H Clamp behind the bracket 3.17Throttle body lead
A Clamp it after passing between
the frame and radiator stay.
Point the tip of the clamp (exces-
sive part) to the front side of the
vehicle. Fasten the right handle-
bar switch lead with a clamp.
B To the wire harness
C The clutch cable positioning
guide should be above the upper
end of the clamp. Fasten the
clutch cable with a clamp. (Refer
to )
D Position relation between the
clamp and guide.
M
CABLE ROUTINGSPEC
1Wire harness
2Crankshaft position sensor lead
3Heat protector
4Right handlebar switch lead
5Positioning guide
6Rear brake light switch lead
7Coolant reservoir tank
8Speed sensor lead
9Clutch cable
10Radiator
11Oil cooler outlet hose
12Coolant reservoir tank drain
hose
13Breather pipe
14Fuel tank drain hose
15A.C. magneto lead
16Wire harness
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2-40
P To the air filter
Q Route the fuel tank drain hose
over the canister stay and be-
tween the breather hose 2 and
wire harness. On the front side of
the canister stay, let though the
bottom of the A.C.magneto lead
and the wire harness.
R Route by the upside of vehicle
away from the canister stay.
CABLE ROUTINGSPEC
I The coupler for the air induction
solenoid lead and camshaft sen-
sor lead should be connected
above the ignition coil sub wire
harness and it should not drop
on the cylinder head cover be-
hind the ignition coil.
J Pass the right handlebar switch
lead between the frame and heat
protector.
K Coolant reservoir tank drain
hose should cross with the
speed sensor lead under the
swingarm bracket. Route the
coolant reservoir tank drain hose
over the up side of the vehicle.L Pass the rear brake light switch
lead between the swingarm
bracket and coolant reservoir
tank.
M Release the tip of the clamp and
install it to the clutch cable.
Insert the clamp to the hole lo-
cated on the right back side of
the radiator.
Radiator fan motor lead should
not be caught while inserting the
clamp.
N Push the clamp until it hits the ra-
diator side stay. Radiator fan mo-
tor lead should not be caught.
O Clamp the clutch cable so that it
is within this specified clamp.
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2-41
C Fold back the clamp and secure
it after passing the lead through
the clamp.
D To the EXUP servo motor
E Pass the coolant reservoir tank
drain hose and fuel tank drain
hose through the clamp from the
outer side of the water pump inlet
pipe after routing it behind the
water pump breather hose.
The lengths of two hose ends are
allowed to be random. Any direc-
tion of cut edges can be ac-
cepted. (Only for the fuel tank
drain hose)
F Clamp the fuel tank drain hose
and fuel tank breather hose.A Clamp the leads so that they are
positioned inner of the vehicle
than the washer position after
routing them between the frame
and radiator stay. Align the clamp
position with the taping sections
of leads. Point the tip of the clamp
(surplus section) to the down
front side of the vehicle.
What the clamp fastens at this
stage are the handlebar switch
and main switch leads.
B Pass the main switch lead and
left handlebar switch lead be-
tween the frame and the heat
protector.
CABLE ROUTINGSPEC
1Heat protector
2Main switch lead
3Left handlebar switch lead
4EXUP servo motor lead
5Coolant reservoir tank drain hose
6Fuel tank drain hose
7Coolant outlet pipe
8Sidestand switch lead
9Oil level switch lead
10A.C.magneto lead
11Fuse box stay
12Water hose
13Stay 1
14Chain case cover
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2-42
R Arrange so as not for each hose
to cross in the part between “BB”
from the section “AA” which is in
the illustration.G Route the lead by the inside of
the water hose and water pipe.
H Route the lead by the inside of
the water hose and water pipe.
I Route by the outside of vehicle
away from the water hose.
J Point the tip of the clamp (exces-
sive part) to the down rear side of
the vehicle. Fasten the wire har-
ness with a clamp.
K Route the water hose so that it is
placed at the outermost position
finally after routing other leads
and hoses in the guide.
L To the coolant reservoir tank
CABLE ROUTINGSPEC
M There should be no exposure of
bared conductors due to the dis-
placement of the tube.
N Route the coolant reservoir tank
drain hose so that it is routed at
the innermost position to each
hose and lead.
O Can be routed in any order.
P Align the molded part of the fuel
tank drain hose with the stay 1.
Q Routing of the fuel tank drain
hose.
EXUP servo motor, oil level
switch and sidestand switch
leads are omitted in this drawing.
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2-43
33Throttle body side cap
34Mud guard
35Turn signal light lead
36License plate light lead
37Rear fender rib
38Speed sensor lead
39Rear brake light switch lead
40Rear frame
41Swingarm bracket
42Main fuse lead
43Starting circuit cut-off relay lead
44Turn signal light relay lead
45Starter relay lead
46Main fuse lead (To the battery
positive lead)
47Right handlebar switch lead
17Battery negative lead
18Starter motor lead
19A.C.magneto lead
20Oil level switch lead
21Sidestand switch lead
22Throttle body lead
23Coolant reservoir tank drain hose
24Fuel tank drain hose
25Cover 7
26Radiator fan motor lead (left)
27Radiator fan motor lead (right)
28Wire harness
29Pipe 3
30Frame
31Coolant reservoir tank hose
32Thermo stat assembly breather
hose
CABLE ROUTINGSPEC
1Heat protector
2Crankshaft position sensor lead
3Neutral switch lead
4Ground lead
5Coolant reservoir tank
6Battery positive lead
7Starter relay
8Turn signal relay
9Main fuse
10Lean angle cut-off switch
11Atmospheric pressure sensor
12Tail / brake light lead
13Rear fender
14Seat lock cable
15Anti safety alarm coupler
16Starting circuit cut-off relay
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2-44
K Pass the water hose lower side
of the thermostat, and between
the ground lead and the neutral
switch.
L Install the leads so that the en-
gine ground lead is positioned
lower and the battery negative
lead to be upper. Install the pro-
trusion of each lead to be above
the vehicle.
M Route the crankshaft position
sensor lead under the wire har-
ness.
N To the fuel pump
O Clamp the wire harness winding
in and insert it to the frame hole.A Pass the wire harness through
the clamp inserted to the radiator
stay.
B To the headlight lead
C Clamp the lead between three
protrusions of the pipe (the first
and second parts from the ve-
hicle front). Point the tip of the
clamp (excessive part) to the in-
side of the vehicle.
D To the vehicle right side diagram
E To the engine
F Clamp the lead between three
protrusions of the pipe (the in-
side and outside of the vehicle).G Point the tip of the clamp (exces-
sive part) to the inside of the ve-
hicle.
H All hoses and leads should be
routed over the vehicle’s upper
side above the heat protector.
I To the starter motor
J Fasten the wire harness, clank
shaft position sensor lead, rear
brake light switch lead and
speed sensor lead with a clamp.
Then, point the tip of the clamp
(cut the tip of the clamp leaving 2
to 4 mm (0.08 to 0.16 in).) to the
inside of the vehicle.
CABLE ROUTINGSPEC
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