2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 34Get this manual
Maintenance specification
Electrical
Item Ignition and ignition control system Spark plug gap Spark plug cap resistance Ignition coil resistance Primary coil (O B) at 20 (68 F) Secondary coil (spark plug wire spark plug wire) at 20 (68 F) Pulser coil output peak voltage (WR B) at cranking (unloaded) at cranking (loaded) at 1,500 rmin (loaded) at 3,500 rmin (loaded) Pulser coil resistance(1) (WR B) at 20 (68 F) Charge coil output peak voltage (BR GR) at cranking (unloaded) at cranking (loaded) at 1,500 rmin (loaded) at 3,500 rmin (loaded) Charge coil resistance(1) (BR GR) at 20 (68 F) CDI unit output peak voltage (O B) at cranking (loaded) at 1,500 rmin (loaded) at 3,500 rmin (loaded)