Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 49Get this manual
OUTBOARD MOTOR INSTALLATION
Steering Cable Seal
1Mark tilt tube 14 in(6.4 mm) from endInstall seal components
2Thread cap to the mark 14 In(6.4mm)
IIa14 in(6.4 mm) Mark
b Plastic SpacerO-Ring SealCap
Steering Link Rod