2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 360Get this manual
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Ignition system and Ignition control system Checking the spark plug caps
862Y8180
Ignition coil resistance: Primary coil: Orange (0)Black (B) 0.08-0.11 at 20C (68 OF) Seconda