1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 54Get this manual

1991 Yamaha Outboard Factory Service Manual 9.9 and 15 HP, Page 54

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Oil seal housing 1 After removing the cylinder head, dismount the engine from the engine stand and place it on bench with the cylinder head side downNOTE: _ 1 Thoroughly clean the bench top and use ca