Yamaha Motor Co., Ltd. YFM7FGPW — IGNITION SYSTEM

EBS01041 7. Main switch EBS01040 9. Crankshaft position sensor resistance Check the main switch for continuity. Refer to “CHECKING THE SWITCHES”. Is the main switch OK? Disconnect the crankshaft position sensor coupler from the wire harness. Connect the pocket tester ( Ω Ч 100) to the crankshaft position sensor coupler as shown. YES NO Positive tester probe green/yellow 1 Negative tester probe black 2 Replace the main switch. EBS01042 8. Engine stop switch Check the engine stop switch for continu- ity. Refer to “CHECKING THE SWITCHES”. Is the engine stop switch OK? 2 1 YES NO Measure the crankshaft position sensor resistance. Replace the left han- dlebar switch.

Crankshaft position sensor resis- tance 459 ~ 561 Ω at 20 °C (68 °F) Is the crankshaft position sensor OK? YES NO Replace the crank- shaft position sensor/ stator assembly. 9 - 14 IGNITION SYSTEM ELEC – + G/Y B