YFM660R WIRING DIAGRAM1 AC magneto2 Rectifier/regulator3 Main switch4 Battery5 Fuse6 Starter relay7 Starter motor8 Clutch switch9 Park switch0 CDI unitA Ignition coilB Spark plugC Speed sensorD Circuit breaker (fan motor)E Thermo switch 1F Fan motorG Coolant temperature warning lightH Reverse indicator lightI Neutral indicator lightJ Neutral switchK Reverse switchL DiodeM Thermo switch 2N Handlebar switch (left)O Lights switchP Engine stop switchQ Start switchR HeadlightS Tail/brake lightT Rear brake switchU Front brake switchCOLOR CODEB ............BlackBr ...........BrownG............GreenL.............BlueO............OrangeP ............PinkR ............RedSb ..........Sky blueW ...........WhiteY ............YellowB/W........Black/WhiteB/Y.........Black/YellowBr/L ........Brown/BlueBr/R .......Brown/RedBr/W.......Brown/WhiteG/L.........Green/BlueG/W........Green/WhiteG/Y.........Green/YellowL/B .........Blue/BlackL/G .........Blue/GreenL/R .........Blue/RedL/W ........Blue/WhiteL/Y .........Blue/YellowO/R ........Orange/RedR/B ........ Red/BlackR/W ....... Red/WhiteR/Y ........ Red/YellowW/B ....... White/BlackW/G....... White/GreenW/L ....... White/BlueW/R ....... White/RedY/B ........ Yellow/Black