Mercury MERCRUISER - Flushing the Seawater System-Sterndrive Models; General Information-Bravo Sterndrive; Flushing Attachments

Section 5 - Maintenance
Page 108 90-899883295 JUNE 2008
Description Where used Part number
Mercury Phantom Black Bare metal 92‑ 802878‑1
• Spray all electrical connections with sealant.
Tube Ref No. Description Where Used Part No.
25
Liquid Neoprene All electrical connections 92- 25711 3
• Inspect the sacrificial trim tab or anode plate if equipped, at regular intervals and replace
it before it is half gone. If a stainless steel propeller is installed, additional anodes or a
MerCathode System will be required.
• Inspect the propeller shaft for fishing line, which can cause corrosion on a stainless
steel shaft.
• Remove the propeller at least every 60 days and lubricate the propeller shaft.
• Do not use lubricants containing graphite on or near the aluminum in saltwater.
• Do not paint trim tabs or the mounting surface.
Flushing the Seawater System—Sterndrive Models
General Information—Bravo Sterndrive
Your boat could be equipped with a combination of any of three different types of water
pickups: through‑hull, through‑transom, and through‑sterndrive. The flushing procedures
for these systems are separated into two categories: sterndrive water pickups and
alternative water pickups.
FLUSHING ATTACHMENTS
Flushing Device 91‑44357Q 2
9192
Attaches to the water intakes; provides a fresh water
connection when flushing the cooling system or operating the
engine.
Dual Water Pick‑up Flush Gearcase Seal Kit 91‑881150K 1
9194
Blocks off the front water inlet holes on the dual water inlet
gearcases.
Flushing Kit 91‑849996T 1
9195
Use for flushing gearcases with low water inlets.