Arco ignition coil for Yamaha outboards

• Used with Yamaha 40HP 2 cylinder engine
• Yamaha 6F5-85540-22-00, 6F5-85540-21-00, 6F5-85540-23-00
• Replaces Mercury 11737M, 11737T
• Replaces Sierra 18-5136
• Replaces CDI Electronics 117-6522