1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 85Get this manual
4 I nstall the bracket assembly on the upper casing, and tighten the upper side mount rubber nutsTightening torque: 21 Nm (2.1 kg, 15 ftlb)
Bottom cowling and exhaust manifold 1I nstall the exhaust manifold on the bottom cowling, and tighten the six boltsTightening torque: Nm (0.8 kg, 5.8 ftlb) 2Install the bottom cowling on the upper casing, and tighten the two boltsTightening torque: Nm (0.8 kg, 5.8 ft-lb)Fit the seal over the upper side mount rubber, and lock the seal with the seal clampInstall the lower mount rubber housing on the upper casing, and bolt the housingTightening torque: 20 Nm (2.0 kg, 14 ftlb)