1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 91Get this manual
CHARGING AND STARTING SYSTEM
Flywheel Ring Gear
Installation
IMPORTANT: Before installing ring gear on flywheel, inspect gear and flywheel for paint runs which will prevent ring gear from laying flat against flywheel1Inspect (and remove) any paint runs on ring gear andor mounting surface on flywheel2Place gear on flywheel with countersink side of mounting holes toward the outside3Apply Loctite 271 to threads of gear mounting screws and secure gear to flywheelTorque screws to 11.3 Nm (100 lbin)