Mercury Bravo Two Series User Manual

Diesel sterndrives
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CA741
The product you have purchased comes with a limited warranty from Mercury Marine; the
terms of the warranty are set forth in the Warranty Sections of this manual. The warranty state-
ment contains a description of what is covered, what is not covered, the duration of coverage,
how to best obtain warranty coverage, important disclaimers and limitations of damages,
and other related information. Please review this important information.
CB785
The operator (driver) is responsible for the correct and safe operation of the boat, the
equipment aboard and the safety of all occupants aboard. We strongly recommend
that the operator read this Operation, Maintenance and Warranty Manual and
thoroughly understand the operational instructions for the power package and all
related accessories before the boat is used.
The description and specifications contained herein were in effect at the time this guide was
approved for printing. Mercury Marine, whose policy is one of continuous improvement,
reserves the right to discontinue models at any time, or to change specifications or designs,
without notice and without incurring obligation.
1999, Mercury Marine
The following are registered trademarks of Brunswick Corporation:
Autoblend, Jet-Prop, Mariner, Merc, MerCathode, MerCruiser,
Mercury, Mercury Marine, Quicksilver, Ride-Guide, and Thruster.
Warranty Message
WARNING
Mercury Marine Fond du Lac, Wisconsin, U.S.A.
Printed in U.S.A.

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Summarization of Contents

Identification Record
Serial Numbers
Manufacturer's keys to engineering details for your power package.
Warranty Information
Owner Warranty Registration
Steps for registering your product to ensure warranty coverage.
International Owner Registration
Procedures for warranty registration for owners outside the US and Canada.
Warranty Coverage and Exclusions
Details on what is covered and not covered by the limited warranty.
Transferable Warranty
Information on transferring the product warranty to a new owner.
General Information
Lanyard Stop Switch
Explanation of the lanyard stop switch and its safety function.
Wave And Wake Jumping
Safety precautions and hazards associated with wave and wake jumping.
Impact With Underwater Hazards
Advice on reducing injury and damage from striking underwater objects.
Operating With Low Water Inlets In Shallow Water
Precautions for operating with low water inlets in shallow water to prevent engine damage.
Safe Boating Suggestions
Recommendations for safe boating practices and essential equipment.
Protecting People In The Water
Safety guidelines for protecting individuals in or near the water.
High-Speed And High-Performance Boat Operation
Guidance for operating high-speed and high-performance boats safely.
Conditions Affecting Operation
Weight Distribution
Effects of passenger and gear placement on boat handling and performance.
Bottom Of Boat
Conditions of the boat bottom necessary for maintaining maximum speed.
Cavitation
Causes and effects of cavitation on the propeller and gear housing.
Ventilation
Causes and effects of ventilation on propeller speed and boat speed.
Propeller Selection
Guidelines for choosing the correct propeller for optimal engine performance.
How Elevation And Climate Affect Performance
How environmental factors like altitude and weather impact engine performance.
Important Information
Operation and Maintenance
Owner's responsibilities for safe operation and maintenance of the unit.
Dealer Responsibilities
Dealer's responsibilities for pre-delivery inspection and customer familiarization.
Sterndrive Unit 10-Hour Break-In Period
Procedure for breaking in new sterndrive units to ensure proper seating of components.
End of First Season Checkup
Recommended service checkup at the end of the first operating season.
Freezing Temperature And Cold Weather Operation
Precautions for operating and storing the sterndrive in freezing temperatures.
Drive Unit Impact Protection
How the power trim system provides impact protection for the drive unit.
Drain Plug and Bilge Pump
Importance of checking drain plugs and bilge pumps to prevent water damage.
Trailering Boat
Guidance on trailering the boat with the drive unit in different positions.
Launching And Boat Operation Care
Precautions during launching and boat operation to prevent water ingress.
Stolen Sterndrive Unit
Procedure to follow if the sterndrive unit is stolen.
Operation
Remote Controls (Panel Mounted)
Description of controls and their functions on panel-mounted remote controls.
Remote Controls (Console Mounted)
Description of controls and their functions on console-mounted remote controls.
Remote Controls (Two Lever)
Explanation of the operation of two-lever remote controls.
Power Trim
How to operate the power trim system for optimal boat angle and performance.
POWER TRIM OPERATION - PANEL MOUNT REMOTE CONTROL
Instructions for operating power trim with a panel mount remote control.
POWER TRIM OPERATION - CONSOLE MOUNT REMOTE CONTROL (SINGLE ENGINE VERSION)
Instructions for operating power trim with a console mount remote control.
POWER TRIM OPERATION - THREE BUTTON TRIM PANEL (USED ON MODELS WITH TWO-LEVER CONTROL)
Operating power trim with a three-button trim panel for two-lever controls.
Specifications
Capacities
Specifications for drive unit oil capacity for different models.
Maintenance
General Maintenance Information
General guidance and warnings for performing maintenance tasks.
Maintenance Aids
List of lubricants and fluids recommended for maintenance.
Routine Maintenance
Daily, weekly, and monthly maintenance checks.
Scheduled Maintenance
Maintenance tasks to be performed at specific intervals or hours.
Checking Drive Unit Oil
Procedure for checking the drive unit oil level and identifying potential leaks.
POWER TRIM PUMP FLUID
Procedure for checking and filling the power trim pump fluid level.
Changing Fluids
Instructions for changing drive unit oil and other fluids.
Lubrication
Steering System
Lubrication procedures for the steering system components.
Shift Cable
Lubrication procedure for the shift cable pivot points.
Drive Unit and Transom Assembly
Lubrication of the gimbal bearing and drive unit.
Engine Coupler
Lubrication of the engine coupler splines.
Propellers (Bravo One and Two)
REMOVAL
Steps for removing the propeller from Bravo One and Two units.
INSTALLATION (BRAVO ONE AND TWO)
Steps for installing the propeller on Bravo One and Two units.
REPAIR
Information on propeller repair services.
Propellers (Bravo Three)
REMOVAL (BRAVO THREE)
Steps for removing the propeller from Bravo Three units.
INSTALLATION (BRAVO THREE)
Steps for installing the propeller on Bravo Three units.
REPAIR
Information on propeller repair services.
Corrosion And Corrosion Protection
Anodic Plates
Procedures for replacing sacrificial anodes to protect against corrosion.
MerCathode System
Testing the MerCathode system for adequate output.
Trim Cylinder Anodes
Procedure for replacing trim cylinder anodes.
Bearing Carrier Anode (Bravo One Models)
Procedure for replacing the bearing carrier anode.
Corrosion Protection (Painting)
Additional steps to inhibit corrosion, including painting precautions.
Cold Weather Or Extended Storage
Sterndrive Unit Lay Up
Procedure for preparing the sterndrive unit for cold weather or extended storage.
Sterndrive Unit Recommissioning
Procedure for recommissioning the sterndrive unit after storage.
Troubleshooting
Steering Wheel Turns Hard Or Jerky
Diagnosing and fixing steering wheel stiffness or jerky movement.
Power Trim Does Not Operate (Electric Motor Does Not Run)
Troubleshooting power trim when the electric motor does not run.
Power Trim Does Not Operate (Electric Motor Runs But Drive Unit Does Not Move)
Troubleshooting power trim when the motor runs but the drive unit does not move.
Owner Service Assistance
Local Repair Service
Guidance on seeking service from your local authorized dealer.
Service Away From Home
How to find service when you are away from your local dealer.
Parts And Accessories Inquiries
How to inquire about and order replacement parts and accessories.
Resolving A Problem
Steps to follow for resolving issues with your product, including contacting Mercury Marine.
Customer Service Literature
English Language
Information on obtaining English language publications from Mercury Marine.

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