1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 253Get this manual

1998 Mercury 9.9/15HP 4-stroke outboards factory service manual, Page 253

NON BIGFOOT GEAR HOUSING
Gear Housing Removal
WARNING
To prevent accidental engine starting, remove (and isolate) spark plug leads from spark plugs BEFORE removing gear housing1Tilt outboard to full "UP" position2Remove reverse hook guide assembly from lower shift shaft3Loosen jam nut and disconnect couplerRemove jam nut to allow removal of gearcase