1983 Yamaha 30EN Outboards Service Manual, Page 100Get this manual
GEAR CASE OISASSEMBL Y
Preparation for disassembly Remove the gear case from the upper casingSee page 5-2 for rem ova ITo disassemble the gear case, hold it with repair standIf no repair stand is available, grip the skeg in viseTo protect the skeg against damage, wrap it with ragWater pump 1Remove the bolts from the water pump housing, and remove the water pump housing from the gear case
Bearing housing and propeller shaft 1Remove the oil drain plug and oil level plug and drain the gear oilNOTE: _