Mercury 6 SERIES User Manual

EMISSIONS
90-857138R1 MAY 2000 Page 3C-9
Service Replacement Certification Label
IMPORTANT: By federal law, it is required that all 1998 and newer Mercury Marine out-
boards have a visible and legible emission certification label. If this label is missing
or damaged, replacement labels can be obtained from Mercury Marine.
Removal
Remove all remaining pieces of the damaged or illegible label. Do not install new label over
the old label. Use a suitable solvent to remove any traces of the old label adhesive from the
display location.
Date Code Identification
Cut and remove a “V” notch through the month of engine manufacture before installing the
new label. The month of manufacture can be found on the old label. If the label is missing
or the date code illegible, contact Mercury Marine Technical Service for assistance.
JAN FEB MAR APR MAY JUNE JULY AUG SEP OCT NOV DEC
Emission Control
Information
2000
PART #3R1-72089-2
This engine conforms to 2000 Model Year
U.S. EPA regulations for marine SI engines.
Idle Speed (in neutral): 1300±50 RPM
Timing: Not Adjustable
Spark Plug: NGK DPR6E
Gap: 0.035” (0.9 mm)
Valve Clearance (Cold) mm
Intake: 0.06-0.14 Exhaust: 0.11-0.19
Family: YM9XM.323220
FEL: 120 GM/KW-HR
123
cc
4-5-6 HP
4-Stroke
Refer to Owners Manual
for required maintenance
a
a
b
a - “V” Notch
b - Month of Manufacture
Installation
Install the label on a clean surface in the original factory location.
Decal Location
Model Production Part No. Service Part No. Location on Engine
1999 Merc/Mar 4/5 HP
(4-Stroke)
37-856984 18 37-856985 18 Front of Cylinder Block
2000 Merc/Mar 4/5/6 HP
(4-Stroke)
3R1-72089-2 37-804651A00 Front of Cylinder Block
2001 Merc/Mar 4 HP
(4-Stroke)
3R1-72089-3 37-804651A01 Valve Cover
2001 Merc/Mar 5/6 HP
(4-Stroke)
3R1-72089-3 37-804651A01 Front of Cylinder Block

Mercury 6 SERIES Specifications

General

Starting	Manual
Cylinders	1
Steering	Tiller
Horsepower	6 HP
Full Throttle RPM Range	5000 - 6000 RPM
Fuel Type	Gasoline

Summary

Important Information - Specifications

Important Information - Maintenance

Inspection and Maintenance Schedule

Schedule outlining regular inspection and maintenance tasks for the outboard motor.

Changing Engine Oil

Procedure and specifications for changing the engine oil, including capacity.

Gear Case Lubrication

Instructions for draining, inspecting, and refilling gear case lubricant.

General Information

Propeller Selection

Guidelines and recommendations for selecting the correct propeller for optimal performance.

Compression Check

Procedure for performing a cylinder compression test to diagnose engine health.

Outboard Motor Installation

Installing Outboard

Steps and considerations for mounting the outboard motor onto the boat transom.

Electrical - Ignition System

Ignition Components Removal and Installation

Detailed procedures for removing and installing ignition system parts.

Electrical - Charging System

Test Procedures

Methods for testing the lighting coil and rectifier diode.

Electrical - Timing and Synchronization

Ignition Timing

Procedure for aligning timing marks and checking ignition timing.

Electrical - Wiring Diagram

Wiring Diagram

Diagram illustrating the electrical connections for the outboard motor.

Fuel System - Fuel Pump & Integral Fuel Tank

Fuel Pump Removal and Installation

Fuel System - Carburetor

Carburetor Adjustments

Carburetor Removal and Installation

Powerhead - Cylinder Head

Valve Clearance

Cylinder Head Disassembly

Cylinder Head Reassembly

Powerhead - Cylinder Block and Crankcase

Powerhead Removal

Inspection

Gear Housing

Specifications

Specifications for the gear housing, including gear ratio and lubricant type.

Propeller Removal

Gear Housing Removal

Controls - Shift Linkage

Controls - Tiller Handle