Yamaha YZ 2019 Series Owner's Service Manual page 75

1. Clamp
2. Cylinder head breather hose
3. Throttle position sensor lead
4. Joint coupler
5. Intake air temperature sensor coupler
6. Intake air pressure sensor lead
7. Wire harness
8. Injector lead
9. Throttle body
10.Injector coupler
11.Starter motor lead
12.Plastic band
13.High tension cord
14.Spark plug cap
15.Cylinder head cover
16.Fuel hose
17.Fuel sender
18.Sub-wire harness
19.Fuel sender coupler
20.Crankcase breather hose
21.Radiator breather hose
22.Radiator hose
23.Down tube
24.Starter motor
25.Neutral switch lead
26.AC magneto lead
27.Clutch cable
28.Radiator
29.Air filter case breather hose
30.Breather hose clamp
31.Grommet (high tension cord)
32.ECU (Engine Control Unit)
33.Air filter case
34.Sub-wire harness coupler
35.Engine bracket
A. Fix the wire harness, clutch switch lead and
start switch lead by the clamp, and insert the
projection of the clamp into the hole in the
sheet metal of the radiator.
B. Route each lead so that the leads are not
pinched between the tank rail and air filter
joint.
C. Insert the projection of the wire harness into
the hole in the frame.
D. Route the cylinder head breather hose with-
out it crossing the starter motor lead.
E. Pass the cylinder head breather hose
between the throttle cable and rectifier/regu-
lator lead.
F. Connect the sub-wire harness to the wire
harness.
G. Pass the high tension cord above the fuel
hose.
H. ±10
CABLE ROUTING DIAGRAM
I. Install the spark plug cap with this facing the
right of the vehicle.
J. Push the spark plug cap home, where there
shall be no gap between it and the cylinder
head cover.
K. Pass the radiator breather hose between the
down tubes.
L. Apply adhesive to the slit and inside of the
grommet, and then fix the grommet according
to the specified dimensions.
M. 50±3 mm (2.0±0.12 in)
N. Pass the sub-wire harness between the ECU
(Engine Control Unit) and the air filter case.
O. Insert the coupler of the sub-wire harness
into the rib of the air filter case.
P. Route the radiator breather hose through
between the radiator hose, down tube and
engine bracket.
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