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Mercury L4NA 90 User Manual

Mercury L4NA 90
144 pages
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Outboard
Operation
Maintenance
Warranty
Manual
© 2015 Mercury Marine
200–350 (Including Pro Series) Verado FourStroke
8M0089146 1214 eng

Table of Contents

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Mercury L4NA 90 Specifications

General IconGeneral
Engine Type4-Stroke
Horsepower90 hp
Fuel TypeGasoline
Number of Cylinders4
Cooling SystemWater-cooled
Starting SystemElectric Start
Full Throttle RPM Range5000-6000 RPM
SteeringRemote
Gear ShiftF-N-R
Gear Ratio2.07:1
Fuel Induction SystemElectronic Fuel Injection (EFI)
Alternator Output35 amp
Shaft Length20" (508 mm)
Weight363 lbs (165 kg)

Summary

WARRANTY INFORMATION

3 Year Limited Warranty Against Corrosion

Information on the limited warranty coverage for corrosion damage on Mercury engines.

U.S. EPA Emissions Limited Warranty

Details on the limited warranty for emissions control systems as per EPA regulations.

GENERAL INFORMATION

FEATURES AND CONTROLS

OPERATION

Starting the Engine

Step-by-step instructions for starting the outboard engine.

MAINTENANCE

Inspection and Maintenance Schedule

Schedule outlining routine inspections and maintenance tasks for the outboard.

TROUBLESHOOTING

Starter Motor Will Not Crank the Engine

Common causes and solutions when the starter motor fails to crank the engine.

Engine Will Not Start

Diagnosing and resolving issues when the engine fails to start.

Performance Loss

Identifying and addressing causes of reduced engine performance.

INSTALLATION

Outboard Installation

Instructions and hardware specifications for correctly mounting the outboard.

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