6C13G11 8-10123456789Checking the pulser coil air gap1. Remove the flywheel magnet cover.2. Turn the flywheel magnet clockwise toalign the projection of the flywheel mag-net with the pulser coil projection.3. Measure the pulser coil air gap a. Adjustif out of specification.4. Loosen the bolts 1 and adjust the pulsercoil air gap.5. Tighten the bolts, and then check thepulser coil air gap again. Adjust if neces-sary.Checking the sensor assembly1. Measure the ambient temperature.2. Connect a computer to the outboardmotor and use the Yamaha DiagnosticSystem to display the intake air tempera-ture.3. If the ambient temperature and the dis-played intake air temperature differ bymore than ± 5 °C (± 9 °F), replace thesensor assembly.NOTE:Check the sensor assembly when the engineis cold.Checking the oil pressure switch1. Check the oil pressure switch for continu-ity. Replace if there is no continuity.2. Connect the special service tool to the oilpressure switch.3. Slowly operate the special service tool.Pulser coil air gap:0.75 ± 0.25 mm (0.030 ± 0.010 in)T R..Pulser coil bolt:4 N·m (0.4 kgf·m, 3.0 ft·lb)S6C18070aS6D88160Ignition and ignition control system