Yamaha Wiring Diagram

Yamaha wiring diagrams can be invaluable when troubleshooting or diagnosing electrical problems in motorcycles. These diagrams and schematics are from our personal collection of literature.

Refer to the Need to Know pages for tools required to work on electrical systems.


Motorcycle & Dirt bike Wiring Diagrams
(aka Wire Schematics) available

1978 XS400-2E PW50
PW80 YZ80
TZ125 XV16 - XV1600 Road Star
RoadStar Silverado


ATV or Quad Wiring Diagrams
(aka Wire Schematics) available

YFM80 Badger 80

href="http://www.weeksmotorcycle.com/yfm250x-wiring-diagrams.html">YFM250X Bear Tracker 250 2WD

YFM400 Kodiak 400 4WD {YFM400FWA}

href="http://www.weeksmotorcycle.com/yfm400fwn-wiring-diagrams.html">YFM400 Big Bear 400 4WD {YFM400FWN}


Yamaha Wiring Diagram
Wire Color Code Legend
Code Color
B Black
Ch Chocolate
G Green
L Blue
O Orange
P Pink
R Red
Br Brown
W White
Y Yellow
Dg Dark Green
Gy Grey
Lg Light Green
Sb Sky Blue
B/L Black w/Blue tracer
B/R Black w/Red tracer
B/W Black w/White tracer
B/Y Black w/Yellow tracer
G/B Green w/Black tracer
G/R Green w/Red tracer
G/Y Green w/Yellow tracer
G/W Green/White
L/B Blue w/Black tracer
L/R Blue w/Red tracer
L/G Blue w/Green tracer
L/W Blue w/White tracer
L/Y Blue w/Yellow tracer
R/B Red w/Black tracer
R/G Red w/Green tracer
R/L Red w/Blue tracer
R/W Red w/White tracer
R/Y Red w/Yellow tracer
W/G White w/Green tracer
W/L White/Blue
W/R White/Red
Y/B Yellow w/Black tracer
Y/G Yellow w/Green tracer
Y/R Yellow w/Red tracer
Br/B Brown w/Black tracer
Br/L Brown w/Blue tracer
Br/W Brown w/White tracer
Br/Y Brown w/Yellow tracer




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