- Crankshaft position sensor coupler (from the wire harness)
2. Check:
- Crankshaft position sensor resistance. Out of specification → Replace the crankshaft position sensor.
Crankshaft position sensor resistance 248-372
![](https://motoinstruction.ru/img/yamaha/20/126947.jpg)
a. Connect the pocket tester (
![](https://motoinstruction.ru/img/yamaha/20/126948.jpg)
Pocket tester 90890-03112.
Analog pocket tester YU-03112-C.
- Positive tester probe: Gray "1"
- Negative tester probe: Black "2"
![](https://motoinstruction.ru/img/yamaha/20/126946.jpg)
b. Measure the crankshaft position sensor resistance.