Ignition coil assy 6F5-85570-10 for Yamaha 4 stroke 15HP 20HP boat engine Fuel Type: Gasoline Engine: 4 Stroke Engine Position: Outboard Condition: New Part number 1:: 6F5-85570-10 Part number 2:: 6F5-85570-11 Part number 3:: 6F5-85570-12 Part number 4:: 6F5-85570-13