1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 84Get this manual
9 Insert the tilt bolt into the friction piece, and install the starboard side clamp bracketTightening torque: 13 Nm (1.3 kg, 9.4 ft-lb)
Upper case and mount rubber 1Install the seal damper, seal, protector on the upper casing, tighten the four boltsTightening torque: Nm (0.8 kg, 5.8 ftlb)