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ILMORE 6.2L GDI - User Manual

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I · 844-GO-ILMOR (464-5667) www.ilmor.com
OWNER’S MANUAL
June 2019
ILMOR Engines

Table of Contents

Questions and Answers

  • Z
    Zachary MooreAug 9, 2025
    What to do if my ILMORE Engine will not turn over?
    • M
      Michael FigueroaAug 9, 2025
      If your ILMORE Engine will not turn over, possible causes include: * The safety switch tether is not connected, so connect it. * The throttle/shift control is in gear, so shift to neutral. * The main circuit breaker is open, so reset it. * The battery terminal is corroded, so clean the battery terminals. * The battery is weak or worn out, so charge or replace the battery. * The battery wiring connectors are loose or corroded, so clean and tighten them. For defective starter solenoid, neutral safety switch or starter motor, see authorized Ilmor service center.
  • R
    Rebecca PageAug 15, 2025
    What to do if ILMORE 6.2L GDI Engine turns over, but will not start?
    • C
      Christine BlackburnAug 15, 2025
      If your ILMORE Engine turns over but will not start, make sure the safety switch tether is connected and that there is fuel in the tank. Fill the fuel tank if it's empty. For a clogged fuel filter, contaminated fuel, weak or shorted ignition coil, or a weak or faulty fuel delivery system, see authorized Ilmor service center.
  • E
    Erik KingAug 20, 2025
    How to improve poor fuel mileage on ILMORE 6.2L GDI?
    • S
      Sharon HodgesAug 21, 2025
      To improve poor fuel mileage in your ILMORE Engine: * Clean the spark arrestor if it is plugged. * Adjust your driving habits by quickly planing the boat and then slowing down to the desired speed. * Correct the trim tab, One-Drive® position, and/or remove any excess weight within the vessel if the boat profile is incorrect. For a plugged PCV valve or weak/faulty ignition system components, see authorized Ilmor service center.
  • C
    Cheryl MillerAug 27, 2025
    What to do if ILMORE 6.2L GDI Engine misses or idles rough?
    • J
      Jack DanielAug 27, 2025
      If your ILMORE Engine misses or idles rough, see authorized Ilmor service center for weak or faulty ignition components, contaminated or incorrect fuel filters, plugged PCV valve, or a vacuum leak.
  • J
    Jennifer SullivanSep 1, 2025
    How to fix serpentine belt noise on ILMORE 6.2L GDI Engine?
    • D
      Donald DaviesSep 1, 2025
      To address serpentine belt noise in your ILMORE Engine: * Remove any bilge water from the engine compartment if there is water on the pulley system. * Replace the serpentine belt if it's worn. * Clean or replace the pulley if the pulley surfaces are corroded. For misalignment in the pulley system, see authorized Ilmor service center.

Summary

OWNERS MANUAL

SAFETY

SAFETY INSTRUCTIONS

Details essential safety precautions and responsibilities for operating the engine.

DANGERS, WARNINGS, CAUTIONS, AND NOTICES

Defines the different alert levels used in the manual for safety.

GENERAL SAFETY CONCERNS

Highlights critical safety issues like carbon monoxide and rotating parts.

SAFETY NOTICES

Provides specific safety warnings related to fuel systems, wiring, and battery.

FUNCTIONS AND DESCRIPTIONS

EXHAUST SYSTEM

Describes the Ilmor wet marine exhaust system and its components.

FUEL SYSTEM

Explains Ilmor's MPI and GDI fuel delivery systems and technology.

COOLING SYSTEM

Details the two types of marine engine cooling systems: open and closed.

ELECTRICAL SYSTEM

Covers the 12-volt negative ground system and reverse polarity warnings.

ENGINE SENSORS

Explains the role of sensors in providing performance data and alerts.

ALARMS

Details how the engine alarm system displays visual alarms for parameter deviations.

OPERATION

FUELING THE ENGINE

Critical safety warnings and procedures for fueling the engine.

Fuel Requirements

Specifies required octane ratings, ethanol limits, and fuel quality recommendations.

BEFORE EACH USE

NEW ENGINE BREAK-IN

First Hours of Operation (First 25 Hours)

BEFORE STARTING ENGINE

START ENGINE

Step-by-step instructions for starting the engine.

Pushbutton Start

Key Switch Start

SHIFT GEARS

STOP THE BOAT

MAINTENANCE

MAINTENANCE SCHEDULE

Chart outlining recommended maintenance intervals and tasks.

CHECK ENGINE OIL (WARM)

CHECK TRANSMISSION FLUID;OIL LEVEL

SERPENTINE BELT

CLEAN ENGINE COMPARTMENT AND PREVENT CORROSION

INSPECT AND CLEAN THE BATTERY CONNECTIONS AND HOLD-DOWNS

STORAGE AND WINTERIZATION

Guidelines for proper storage and winterization of the engine.

EMISSIONS

EMISSIONS CONTROL SYSTEM INFORMATION

CALIFORNIA AIR RESOURCE BOARD (CARB) STAR LABEL

CALIFORNIA AND U.S. EPA EMISSION CONTROL WARRANTY STATEMENT

Details the emission control warranty for engines.

Warranty Rights and Obligations

Outlines owner and manufacturer responsibilities under the warranty.

Warranty Terms

Specifies the warranty duration for emission-related parts.

Owner Warranty Responsibilities

Defines the owner's responsibilities for maintaining warranty coverage.

General Emissions Warranty Coverage

Covers what the general emissions warranty includes and excludes.

Mechanical Emission-Related Components Warranty

Electronic Emission-Related Control Parts Warranty

Direct Emission-Related Control Parts Warranty

TROUBLESHOOTING

Engine will not turn over.

Common causes and solutions when the engine fails to turn over.

Engine turns over, but will not start.

Causes and solutions for an engine that cranks but doesn't start.

Engine misses or idles rough.

Identifies causes and solutions for rough engine idling or missing.

Poor boat performance.

Potential causes and solutions for suboptimal boat performance.

Poor fuel mileage.

Serpentine belt noise.

ILMORE 6.2L GDI Specifications

General IconGeneral
BrandILMORE
Model6.2L GDI
CategoryEngine
LanguageEnglish

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