Mercury 40 Service Manual page 233

Camshaft Oil Seal Installation
1. If removed, install Oil Seal. Position seal so part number side is facing outward. Press
seal in until it makes contact with the inside flat surface.
NOTE: Seal must be properly seated before it is secured in place with a bead of Loctite 499
Super Bonder.
2. Apply a continuous bead of Loctite 499 Super Bonder (Quicksilver p/n 92-852882) into
the chamfer around O.D. of the oil seal and I.D. of the seal bore.
3. Allow Loctite to cure overnight before placing unit into service.
a -
b -
90-828631R3 MARCH 1999
Upper Camshaft Oil Seal
Chamfer Around O.D. of Oil Seal
a
b
CYLINDER HEAD
Page 4A-37