MERCARB 2 BARREL CARBURETOR
SERVICE MANUAL NUMBER 26
Specifications
NOTICE
Unit Of Measurement: U.S. Quarts (Liters)
All capacities are approximate fluid measures.
Carburetor Adjustment Specifications
Engine Model
Carburetor Type
Carburetor Number
Float Level
3.0L
MerCarb 43 mm
3310-807504
MerCarb 36 mm
1389-807505
3/8 (10)
Spring Loaded Needle
Float Drop
9/16 (14) (See Note)
1-3/32 (27) (See Note)
1-5/32 (29)
Pump Rod
Choke Setting
Two Marks To The Lean Side
5/64 [080] (2)
Choke Unloader
Idle Mixture Screws
Float Weight
1-1/4 Turns
Factory Setting
9 Grams Maximum
Primary Jet Size
Power Valve Size
Venturi Cluster I.D. Number
1.55 mm
4 x 0.65 mm
171
1.45 mm
2 x 0.60 mm
470
Accelerator Pump
Discharge Hole Size
.025
(0.635)
.035 (0.89)
All measurements are + 1/64 in. (0.4 mm).
NOTE: Float drop measured from air horn (with gasket in place) to toe of float.
Page 5B-4
90-861329--1 MARCH 1999
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