SERVICE MANUAL NUMBER 26
MERCARB 2 BARREL CARBURETOR
Description
This MerCarb carburetor is a two bore carburetor and has a separate fuel feed for each
venturi. This model also is equipped with an electric choke. A removable venturi cluster
(secured to float bowl assembly) has the calibrated main well tubes and pump jets built into
it. The venturi cluster is serviced as a unit. The serviceable main metering jets are bleeds
to properly meter the correct fuel/air mixture to the engine.
Precautions
WARNING
Always disconnect battery cables from battery BEFORE working on fuel system to
prevent fire or explosion.
WARNING
Be careful when cleaning flame arrestor and crankcase ventilation hose; gasoline
is extremely flammable and highly explosive under certain conditions. Be sure that
ignition key is OFF. DO NOT smoke or allow sources of spark or open flame in area
when cleaning flame arrestor and crankcase ventilation hose.
WARNING
Be careful when changing fuel system components; gasoline is extremely flam-
mable and highly explosive under certain conditions. Be sure that ignition key is
OFF. DO NOT smoke or allow sources of spark or flame in the area while changing
fuel filter. Wipe up any spilled fuel immediately.
WARNING
Make sure no fuel leaks exist, before closing engine hatch.
Fuel Supply Connections
CAUTION
DO NOT operate engine without cooling water being supplied to water pickup holes
in gear housing, or water pump impeller will be damaged and subsequent overheat-
ing damage to engine may result.
90-861329--1
MARCH 1999
Page 5B-7
INDEX
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 181 CID |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(6 votes, average: 5 out of 5)
Marine readers have rated Mercury MerCruiser GM 4 Cylinder 181 cid 3.0L Marine Engines Service Manual Number 26 5.0 out of 5.0 based on 6 product reviews. Thanks for sharing this material. Helps a lot after suffering with bad mechanics. spend too much money and nothing very good
great manual, makes impossible jobs possible. without a manual you can not do the job, a must have.
Great resource. Excellent information provided.
Need help to install automate choke
Need help to instal automate choke