1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 105Get this manual
COl unit 1Check the COl unit as specified using the pocket tester Stop Tester Stop Earth Charge Pulser (W) (B) (Br) (WR)
Graund (B)
Charge (Br)
Pulser (WR)
Ignition (0)