1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 69Get this manual
NOTE: _ Apply Yamaha all-purpose grease, PIN LUBGREAS-13-00, to the retainer ring2COl magneto aSlip the CD magneto over the boss located between the cylinder and crankcase so that the throttle cam is positioned on the carburetor sideNext, align the bolt hole in the friction plate with the hole in the magneto base and screw in the boltNOTE: _ After installing the magneto base, assemble the joint links (throttle control and neutral throttle) dLock the flywheel rotor with the washer and nutTightening torque: 105 Nm (10.5 mkg, 75 ftlb)