Mercury FourStroke 3.5 User Manual

Gear Housing
90-8M0065421 NOVEMBER 2012 Page 6A-27
Water Pump
1. Install a new base gasket, base plate (if required), and a pump cover gasket.
a - Base gasket
b - Base plate
c - Pump cover gasket
2. Install the drive key and the impeller onto the driveshaft. If reusing the old impeller, do not reverse the impeller vanes or
premature failure will occur.
a - Drive key
b - Impeller
NOTE:
Apply a light coat of 2‑4‑C with PTFE to the shift shaft to lubricate the O‑ring in the pump housing.
3. Apply a light coat of 2‑4‑C with PTFE to the inside of the pump cover insert. Slide the pump cover assembly down over the
driveshaft. Rotate the driveshaft clockwise as the pump cover is pressed down over the impeller.
a - Pump cover
b - Driveshaft
Tube Ref No. Description Where Used Part No.
95
2-4-C with PTFE Inside of pump cover insert 92-802859A 1
4. Apply Loctite 242 Threadlocker to the threads of the water pump cover bolts.
c
b
b
a
c
25642
a
b
a
25538
a
b
a
25644

Mercury FourStroke 3.5 Specifications

General

Brand	Mercury
Model	FourStroke 3.5
Category	Outboard Motor
Language	English