2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 205Get this manual
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Ignition and ignition control system Ignition coil resistance: Primary coil: Red (R) Blackwhite (BW) 1.532.07 at 20 (68 F) Secondary coil: 12.49516.905 at 20 (68 F) 3 Measure the pulser coil output pe