Yamaha YZ450FX 2021 Owner's Service Manual page 69

1. Clamp
2. Diode
3. Throttle position sensor lead
4. Intake air pressure sensor lead
5. Joint coupler
6. Intake air pressure sensor coupler
7. Wire harness
8. Clamp (wire harness)
9. Cylinder head breather hose
10.Fuel injector lead
11.Throttle body
12.Fuel injector coupler
13.Fuel hose
14.Air filter assembly
15.Wire harness
16.Fuel tank bracket
17.Plug cap
18.Cylinder head cover
19.Starter motor lead
20.Cable guide
21.Ignition coil
22.Side core
23.Sub-lead wire
24.Sub-lead wire coupler
25.Warning light lead (wire harness)
26.Warning light coupler
27.Rectifier/regulator lead (wire harness)
28.Warning light lead
29.ECU
30.High tension cord
31.Air filter assembly
32.Wire harness
33.Grommet
34.Clamp
A. Fasten the main harness and start switch
lead by the clamp, and insert the clamp pro-
jection into the hole in the sheet metal of the
radiator. The direction of the clamp lock por-
tion does not matter. It is allowed to run the
leads near the radiator cap on the inside.
B. No pinch is allowed the leads between the
tank rail and the air filter joint.
C. Insert the projection of the main harness into
the hole in the frame.
D. Route the cylinder head breather hose in
front of the fuel injector lead.
E. Right side of the vehicle.
F. ±10
G. Install the plug cap so it faces to the right side
of the vehicle.
H. Fasten the starter motor lead along the locat-
ing damper.
I. It does not matter if the high tension cord and
grommet do not contact the ECU.
CABLE ROUTING DIAGRAM
J. Pass the wire harness between the ECU and
air filter assembly.
K. Insert the clamp into the rib so that it contacts
the rib.
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