YAMAHA YZ450F 2016 Owners Manual

YAMAHA YZ450F 2016 Owners Manual YZ450F 2016 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/53973/w960_53973-0.png YAMAHA YZ450F 2016 Owners Manual
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YAMAHA YZ450F 2016  Owners Manual 8
ELECTRICAL SYSTEM
IGNITION SYSTEM.......................................................................................... 8-2
CIRCUIT DIAGRAM ......................................................

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YAMAHA YZ450F 2016  Owners Manual

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YAMAHA YZ450F 2016  Owners Manual 8-1
EASB111318
TIP
This section is intended for those who have basic knowledge and skill concerning the servicing of 
Yamaha motorcycles (e.g., Yamaha dealers, service engineers, etc.). Those who have

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YAMAHA YZ450F 2016  Owners Manual IGNITION SYSTEM
8-2
EASB111319
IGNITION SYSTEM
EASB111320CIRCUIT DIAGRAM
ONOFF
ONOFF
B R
RRRRRRRR
BBBBBB
LLL
B/LB/LB/LB/LB/LB/L
B/L
Gy
W
W
W
W
R
R
B
B
B
B
RY/RY/G
Y/GY/B
Y/B
Y/W
Y/WB/YL/WB/R
B/Y
B/Y
B

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YAMAHA YZ450F 2016  Owners Manual IGNITION SYSTEM
8-3
1. Crankshaft position sensor
2. AC magneto
3. Rectifier/regulator
4. Joint connector
5. Condenser
7. Engine stop switch
8. Neutral switch
9. Launch control switch
10.ECU
11.Igniti

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YAMAHA YZ450F 2016  Owners Manual IGNITION SYSTEM
8-4
EASB111321TROUBLESHOOTING
The ignition system fails to operate (no spark or intermittent spark).
TIP
Before troubleshooting, remove the following part(s):
1. Side cover (left/right

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YAMAHA YZ450F 2016  Owners Manual IGNITION SYSTEM
8-5
The launch control indicator light fail to blink.
TIP
Before troubleshooting, remove the following part(s):
1. Seat
2. Air scoop (left)8. Check the ignition system wire har-
ness.

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YAMAHA YZ450F 2016  Owners Manual CHARGING SYSTEM
8-6
EAS27200
CHARGING SYSTEM
EASB111322CIRCUIT DIAGRAM
ONOFF
ONOFF
B R
RRRRRRRR
BBBBBB
LLL
B/LB/LB/LB/LB/LB/L
B/L
Gy
W
W
W
W
R
R
B
B
B
B
RY/RY/G
Y/GY/B
Y/B
Y/W
Y/WB/YL/WB/R
B/Y
B/Y
B/W

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YAMAHA YZ450F 2016  Owners Manual CHARGING SYSTEM
8-7
2. AC magneto
3. Rectifier/regulator
4. Joint connector
5. Condenser

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YAMAHA YZ450F 2016  Owners Manual CHARGING SYSTEM
8-8
EASB111323TROUBLESHOOTING
The condenser is not being charged.
TIP
Before troubleshooting, remove the following part (s):
1. Seat
2. Air scoop (left)
1. Check the entire charging sy
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