2004 SR Johnson 2-stroke 40, 50HP Service Manual, Page 238Get this manual
GEARCASE REMOVAL AND INSTALLATION Remove the four gearcase retaining screwsApply Gasket Sealing Compound to threads of the gearcase retaining screwsTorque the screws: 38 inscrews18 to 20 ftIbs(24 to 27 Nm) 716 inscrew28 to 30 ftIbs(38 to 40 Nm)
1Gearcase screws
Remove the gearcase from the exhaust housing, being careful not to bend the shift rod
138 Screws
Installation
WARNING
During service, the outboard may drop unexpectedlyAvoid personal Injury; always support the outboard 's weight with suitable hoist or the tilt support bracket during service