2007 YAMAHA WR 450F brake sensor

2 - 23
SPECCABLE ROUTING DIAGRAM
EC240000
CABLE ROUTING DIAGRAM
1Fuel tank breather hose
2Clamp
3Diode
4Hot starter cable
5Throttle position sensor lead
6Wire harness
7Hump (frame)
8Negative battery lead
9Starter motor lead
0Neutral switch lead
AAC magneto lead
BBrake hose
CRectifier/regulator leadDCarburetor breather hose
ECarburetor overflow hose
FCatch tank breather hose

2 - 30
SPECCABLE ROUTING DIAGRAM
1Throttle cable
2Clamp
3Brake hose
4Clutch cable
5Hose guide
6Main switch coupler
7Wire harness
8Headlight coupler
9Hot starter cable
0Multi-function display bracket
AMain switch
BUpper bracket
CClutch switch coupler
DEngine stop switch coupler
EMulti-function display coupler
FStart switch coupler
GSpeed sensor coupler
HSpeed sensor lead

2 - 31
SPECCABLE ROUTING DIAGRAM
ÈFasten the start switch lead to the handlebar
with the plastic bands.
ÉFasten the engine stop switch lead and clutch
switch lead to the handlebar with the plastic
bands.
ÊPass the brake hose through the hose guides.
ËSecure the coupler by inserting it into the multi-
function display bracket.
ÌPass the throttle cables, clutch cable and hot
starter cable between the upper bracket and
multi-function display bracket.
ÍFasten the multi-function display leads to the
bracket. Cut off the tie end.
ÎSecure the coupler by pushing it into the hole in
the multi-function display bracket.
ÏSecure the wire harness clip by pushing it into
the hole in the multi-function display bracket on
the inside.ÐFasten the main switch lead (wire harness side)
to the multi-function display bracket. Locate the
clamp end facing toward the lower side of the
frame and cut off the tie end.
ÑPass the speed sensor lead through the guide
on the outside of the front fork.

5 - 1
CHAS
EC500000
CHASSIS
EC590000
FRONT WHEEL AND REAR WHEEL
EC598000
FRONT WHEEL
FRONT WHEEL AND REAR WHEEL
Extent of removal:
1 Front wheel removal
2 Wheel bearing removal
3 Brake disc removal
Extent of removal Order Part name Q’ty Remarks
FRONT WHEEL REMOVAL
WARNING
Support the machine securely so there is nodanger of it falling over.
Preparation for removal Hold the machine by placing the
suitable stand under the engine.
1 Bolt (axle holder) 4 Only loosening.
2 Nut (front wheel axle) 1
3 Front wheel axle 1
4 Front wheel 1
5 Speed sensor 1
6 Collar 1
7 Oil seal 1
8 Bearing 2 Refer to “REMOVAL POINTS”.
9 Brake disc 1
2
13
3

5 - 5
CHASFRONT WHEEL AND REAR WHEEL
EC595000
ASSEMBLY AND INSTALLATION
Front wheel
1. Install:
Bearing (left) 1
Spacer 2
Bearing (right) 3
Oil seal 4
NOTE:
Apply the lithium soap base grease on the
bearing and oil seal lip when installing.
Use a socket that matches the outside diam-
eter of the race of the bearing.
Left side of bearing shall be installed first.
Install the oil seal with its manufacture’s
marks or numbers facing outward.
CAUTION:
Do not strike the inner race of the bearing.
Contact should be made only with the outer
race.
2. Install:
Brake disc 1
Bolt (brake disc) 2
NOTE:
Tighten the bolts in stage, using a crisscross
pattern.
New
T R..12 Nm (1.2 m · kg, 8.7 ft · lb)
3. Install:
Collar 1
NOTE:
Apply the lithium soap base grease on the oil
seal lip.
4. Install:
Speed sensor 1
NOTE:
Apply the lithium soap base grease on the oil
seal lip of the speed sensor.
Make sure the two projections a in the
wheel hub are meshed with the two slots b
in the speed sensor.
b a1
B

5 - 6
CHASFRONT WHEEL AND REAR WHEEL
5. Install:
Wheel
NOTE:
Install the brake disc 1 between the brake
pads 2 correctly.
Make sure that the projections a in the
speed sensor fits over the stopper b on the
front fork inner tube.
6. Install:
Wheel axle 1
NOTE:
Apply the lithium soap base grease on the
wheel axle.
7. Install:
Nut (wheel axle) 1
T R..90 Nm (9.0 m · kg, 65 ft · lb)