2006 Johnson SD 3.5 HP 2 Stroke Outboard Service Manual, PN 5006562, Page 108Get this manual
GEARCASE DISASSEMBLY
DISASSEMBLY&WARNING
Tap lightly on the ears of the gearcase head using wooden dowel and mallet until the gearcase head has rotated 10 or 15 in either directionDrive the gearcase head rearward by tapping alternately with soft mallet on each of the ears until the a-ring is disengaged
Wear safety glasses to avoid personal injury, and set compressed air pressure to less than 25 psi (172 kPa)
IMPORTANT: Clean and inspect all components during disassemblyReplace all damaged components, seals, a-rings, and gaskets upon assemblyRemove propellerRefer to PROPELLER on p.101Remove gearcaseRefer to REMOVAL AND INSTALLATION on p103Remove water pumpRefer to WATER PUMP on p104Slide driveshaft up and out of gearcase22266