2016 YAMAHA WR 450F warning

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YAMAHA WR 450F 2016  Owners Manual ELECTRICAL COMPONENTS
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EAS27990CHECKING THE BULBS AND BULB SOCK-
ETS
TIP
Do not check any of the lights that use LEDs.
Check each bulb and bulb socket for damage 
or wear, proper connections, and

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YAMAHA WR 450F 2016  Owners Manual ELECTRICAL COMPONENTS
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Checking the condition of the bulb sockets
The following procedure applies to all of the 
bulb sockets.
1. Check:• Bulb socket (for continuity)(with the pocket tester)
No

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YAMAHA WR 450F 2016  Owners Manual ELECTRICAL COMPONENTS
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4. Install:• Seat
• Side cover (left/right)Refer to “GENERAL CHASSIS” on page 5-
1.
EAS2GC1386CHECKING AND CHARGING THE BATTERYEWA
WARNING
Batteries generate explosi

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YAMAHA WR 450F 2016  Owners Manual ELECTRICAL COMPONENTS
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5. Charge:• Battery
(refer to the appropriate charging method)
EWA
WARNING

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YAMAHA WR 450F 2016  Owners Manual ELECTRICAL COMPONENTS
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a. Connect the pocket tester ( 100) to the 
crankshaft position sensor

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YAMAHA WR 450F 2016  Owners Manual ELECTRICAL COMPONENTS
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b. Measure the resistance of the resister.
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EAS2GC1399CHECKING THE RADIATOR F

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YAMAHA WR 450F 2016  Owners Manual ELECTRICAL COMPONENTS
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EAS2GC1401CHECKING THE THROTTLE POSITION 
SENSOR
1. Remove:• Throttle posi

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YAMAHA WR 450F 2016  Owners Manual ELECTRICAL COMPONENTS
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c. Start the engine.
d. Measure the throttle position sensor input voltage.
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