1969 Evinrude 40 HP Big Twin, Lark Service Repair Manual P/N 4596, Page 71Get this manual
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Figure 6-24 Removing Gearcase Head
fUsing flywheel puller (Special Tool378103 and Guide 307645), with bolts 120 5-12 inches long (Special Tool309489), remove gearcase head and bearingSee Figure