1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 123Get this manual
CHAPTER 8APPENDICES SPECIFICATIONS8-1 General specifications 8-1 Maintenance specifications 8-3 TIGHTENING TORQUE 87 GENERAL TORQUE SPECIFICATIONS8-7 TROUBLESHOOTING 8-8 EXPLODED DIAGRAMS 8-13