2016 YAMAHA WR 450F coolant temperature

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Page 57 of 426

YAMAHA WR 450F 2016  Owners Manual ENGINE SPECIFICATIONS
2-6
Fuel pumpPump type Electrical
Fuel injector
Model/quantity 1010/1
Resistance 12  
Throttle body
Type/quantity 30RA-A05U/1
ID mark 2GC1 00
Fuel line pressure (at idle) 300.

Page 66 of 426

YAMAHA WR 450F 2016  Owners Manual TIGHTENING TORQUES
2-15
TIP
*1:Cylinder head bolt
First, tighten the cylinder head bolts to 30 Nm (3.0 m·kgf, 22 ft·lbf) in the proper tightening sequence 
and remove them. Retighten the cylinder he

Page 89 of 426

YAMAHA WR 450F 2016  Owners Manual CABLE ROUTING DIAGRAM
2-38
1. Cable guide
2. Speed sensor lead
3. Joint coupler
4. Ground lead
5. Throttle position sensor lead
6. Throttle position sensor coupler
7. Radiator breather hose
8. Radiato

Page 230 of 426

YAMAHA WR 450F 2016  Owners Manual ENGINE REMOVAL
6-3
Removing the electronic parts
OrderPart name Q’tyRemarks
Use a suitable stand to raise the front wheel 
off the ground.
Seat Refer to “GENERAL CHASSIS” on page 5-1.
Side cover

Page 245 of 426

YAMAHA WR 450F 2016  Owners Manual CYLINDER HEAD
6-18
EAS2GC1244
CYLINDER HEAD
Removing the cylinder head
OrderPart name Q’tyRemarks
Refer to “INSTALLING THE CYLINDER 
HEAD” on page 6-21.
Seat Refer to “GENERAL CHASSIS” on pa

Page 311 of 426

YAMAHA WR 450F 2016  Owners Manual RADIATOR
7-2
4 Right radiator1
5 Radiator hose 2 1
6 Radiator hose 3 1
7 Radiator hose 4 1
8 Radiator pipe 2 1
9 Radiator breather hose 1
10 Left radiator 1
11 Radiator hose 1 1
12 Radiator pipe 1 1
1

Page 330 of 426

YAMAHA WR 450F 2016  Owners Manual ELECTRICAL COMPONENTS....................................................................... 9-60
CHECKING THE SWITCHES .................................................................. 9-64
CHECKING

Page 355 of 426

YAMAHA WR 450F 2016  Owners Manual COOLING SYSTEM
9-25
1. Joint connector
2. Joint connector
3. Joint connector
7. Main relay
9. Battery
10.Frame ground
11.Starter relay
12.Main fuse
22.ECU (engine control unit)
27.Radiator fan motor r
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