1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 102Get this manual
CHAPTER 6ELECTRICAL SYSTEM DESCRIPTION 6-1 WIRING DIAGRAM 6-1 IGNITION SYSTEM INSPECTION AND REPLACEMENT Pulser coil Charge coil Lighting coil CDI unit Ignition coil ELECTRIC STARTER Removal Disassembly Inspection and repair Reassembly Installation 6-2 6-2 6-2 6-2 6-3 6-3 6-6 6-6 6-7 6-7 6-8 6-9