2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 122Get this manual
IpOWRIIfriJ: IPower unit Troubleshooting
Before troubleshooting the power unit, check that all electrical connections are tight and free from corrosion, and that the battery is fully charged to 12 VSymptom: Engine does not crank Check the starting system Check the power unitCheck that the gearshift is in the neutral position
Is the gearshift in neutral? Yes Check the neutral switch for continuity
Set it to the neutral position