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Sea Ray 240 Sundeck Owners Manual
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Owner’s Manual Part Number: MRP 1806424
Sea Ray
Owner’s
Manual
240 Sundeck
®


240 Sundeck
®
i
Congratulations on becoming the new owner of the
world’s most prestigious boat. We at Sea Ray
®
Boats,
Inc. welcome you into our worldwide and ever-expand-
ing family of boating enthusiasts.
The Owner’s Manual Packet, to be kept on board your
Sea Ray, gives you important information on all the
features of your Sea Ray, for years of trouble-free
boating take the time to carefully review the informa-
tion in your Owner’s Manual Packet and really get to
know your boat. Have everyone who will operate
your boat read this manual.
The Owner’s Manual Packet contains the following:
• Owner’s Manual : The Owner’s Manual gives
you important operating and safety information,
as well as reminding you about your responsibili-
ties as a boat owner/operator.
• Original Equipment Manufacturer (OEM) Infor-
mation: This section of your Owner’s Manual
Packet contains information from the manufac-
turers of equipment installed on your boat. Ex-
amples include the engine, engine control and
steering system. Throughout the Owner’s Manual
you will be referred to information provided by
manufacturers of specific systems.
Because your purchase represents a substantial in-
vestment, we know you will want to take the neces-
sary measures to protect its value. We have outlined
a program for proper operation, periodic maintenance
and safety inspections. We urge you to follow these
recommendations. If you have questions which are
not fully covered by the Owner’s Manual Packet,
please consult your authorized dealer for assistance.
Thank You For Selecting A Sea Ray
®
!
Bon Voyage
240 S UNDECK
®
O WNER ’ S M ANUAL
Welcome

240 Sundeck
®
ii

240 Sundeck
®
iii
INTRODUCTION
1. THIS MANUAL
The material here and in the rest of the Owner’s
Manual Packet:
• Gives you basic safety information;
• Describes the features of your boat;
• Describes the equipment on your boat;
• Describes the fundamentals of boat use; and
• Contains service and maintenance information.
You must learn to operate this boat as well as read,
understand and use this manual.
What this manual does not give you is a course in
boating safety, or how to navigate, anchor or dock
you boat. Operating a power boat safely requires more
skills, knowledge and awareness than is necessary
for a car or truck.
2. YOUR RESPONSIBILITIES
For your safety, the safety of your passengers, other
boaters and people in the water, you must:
• Take a boating safety course;
• Get instruction in the safe and proper handling of
your boat;
• Understand and follow the “rules of the road”;
• Learn how to navigate.
3. SOURCE OF INFORMATION
In North America, contact one of the following for boat-
ing courses:
• U.S. Coast Guard Auxiliary
• U.S. Power Squadron
• Canadian Power and Sail Squadrons
• Red cross
• State Boating Offices
• Yacht Club
Contact your dealer or the Boat/U.S. Foundation at 1-
800-336-2628
Outside of North America, contact your boat dealer
and/or your governmental boating agency for assis-
tance.
A book that provides a comprehensive background
in boating is Chapman - Piloting, Seamanship and
small Boat handling, by Elbert S. Maloney, published
by Hearst Marine.
4. DEALER RESPONSIBILITIES
In addition to a pre-delivery check and service of the
boat, your dealer is to give you:
• A description and demonstration of the safety sys-
tems, features, instruments and controls on your
boat;
• An orientation in the general operation of your
boat;
• An “In Service Form” completed by you and the
dealer after your inspection of the boat;
• A review of all warranty information and how to
obtain warranty service;
• The complete Owner’s Manual Packet.
If you do not receive all of these materials, or have
any questions, contact your dealer or call
1-800-SRBOATS.
5. WARRANTIES
Your boat comes with several warranties. Each com-
ponent and/or system on your boat has its own war-
ranty that will be found with the specific information
and manual for that component. These are included
with your Owner’s Manual Packet. Locate and read
the individual warranties; then put them together for
easy future reference. The Sea Ray
®
warranty is on
the warranty information card in your packet and is
repeated on the next page.

240 Sundeck
®
iv
6. HULL IDENTIFICATION NUMBER (HIN)
The “Hull Identification Number” located on the star-
board side of the transom, is the most important iden-
tifying factor and must be included in all correspon-
dence and orders. Failure to include it creates de-
lays. Also of vital importance are the engine serial
numbers and part numbers when writing about or or-
dering parts for your engine. Refer to the Engine
Operator’s Manual for locations of engine serial num-
bers and record them for future reference.
7. MANUFACTURER’S CERTIFICATION
A CE mark means that your Sea Ray
®
Boat has been
certified to meet the applicable International Organi-
zation for Standardization directives.
NMMA certification means that your Sea Ray
®
Boat
has been judged by the National Marine Manufactur-
ers Association to be in compliance with applicable
federal regulations and American Boat and Yacht
Council standards.
The following information is furnished in compliance
with ISO directives and RSG guidelines in effect as of
the date of publication of this manual. Sea Ray® will
provide additional information as standards are
amended. The following information, required for ex-
port of the vessel, must be filled out by the dealer.
8. SERVICE, PARTS AND REPAIR FOR
YOUR BOAT
When your boat needs service, parts or repair, take it
to an authorized Sea Ray
®
dealer. To find a dealer in
your area call:
Domestic/International
1-800-SRBOATS
Fax: 1-314-213-7878
To find repair and parts facilities for the equipment
installed on your boat, refer to the manual for that com-
ponent.
If a problem is not handled to your satisfaction:
1. Discuss any warranty-related problems directly
with the service manager of the dealership or your
sales person. Give the dealer an opportunity to
help the service department resolve the matter
for you.
2. If a problem arises that has not been resolved to
your satisfaction by your dealer, contact Sea Ray
®
Boats at 1-800-SRBOATS and the appropriate
customer service department information will be
provided to you.
Boat Model:
Design Category: Ocean Offshore
Hull Identification Number:
Maximum Recommended Load:
Recommended Number of Passengers:
Maximum Rated Engine Power:
Engine Installed
Manufacturer:
Model and Number:
Weight of Craft
W/Engine & Permanently Attached Items:
Without Engine:
Inshore Sheltered Waters
HULL IDENTIFICATION NUMBER LOCATION
(FIG. IV.1)
HULL
IDENTIFICATION
NUMBER

240 Sundeck
®
v
ABOUT YOUR LIMITED WARRANTY
Sea Ray offers an express limited warranty on
each new Sea Ray sport boat purchased
through an authorized Sea Ray dealer. A copy
of the Sea Ray Sport Boat Limited Warranty
(“Limited Warranty”) was included in your
owner’s packet. If for any reason, you did not
receive a copy of the limited warranty, please
contact your local dealer or call 1-800-
SRBOATS for a replacement copy. This is a
summary of several provisions of the Limited
Warranty. Please read the Limited Warranty,
which is the controlling document.
Under the Limited Warranty, Sea Ray covers:
(a) structural fiberglass deck or hull defects
which occur within five (5) years of the date of
delivery; (b) parts found to be defective in factory
material or workmanship within one (1) year of
the date of delivery; (c) laminate blisters resulting
from defects in factory material or workmanship
for five (5) years on a pro-rated basis.
On Sport Boats, Sea Ray provides additional
warranty coverage to its five-year structural hull/
deck coverage with a limited life-time structural
hull/deck warranty. This limited lifetime structural
coverage provides repairs of any Structural
Fiberglass Hull/Deck Defect for as long as the
original owner owns the Sport Boat. Sport Boat
models and Hull/Deck Defects are defined in the
Limited Warranty.
Sea Ray’s obligation under its Limited Warranty
is limited to repair or replacement of parts that
are judged defective by Sea Ray and does not
include transportation, haul out, or other
expenses. The foregoing is the sole and
exclusive remedy provided by Sea Ray.
The Limited Warranty does not cover engines,
stern drives, controls, propellers, batteries,
trailers, or other equipment or accessories
carrying their own individual warranties, nor does
the Limited Warranty cover engines, parts or
accessories not installed by Sea Ray. The
Limited Warranty does not cover cosmetic gel
coat finish. Boats used for commercial purpose
are excluded from coverage. See the Limited
Warranty for other exclusions.
SEA RAY EXPRESSLY DISCLAIMS THE
IMPLIED WARRANTIES OF FITNESS AND
MERCHANTABILITY. NEITHER SEA RAY
NOR THE SELLING DEALER SHALL HAVE
ANY RESPONSIBILITY FOR LOSS OF USE
OF THE BOAT, LOSS OF TIME, INCONVE-
NIENCE, COMMERCIAL LOSS OR CONSE-
QUENTIAL DAMAGES.
The unexpired term on the limited one-year parts
and components coverage and the limited five-
year pro-rated blister coverage of the Limited
Warranty may be transferred to a subsequent
owner upon the new owner’s written request.
Coverage for Structural Fiberglass Hull/Deck
Defects on Sport Boats may be transferred once
to a second owner upon the second owner’s
request, however upon transfer, this coverage
will expire ten (10) years from the date of original
purchase by the first retail owner, as reflected in
Sea Ray’s records.
The new owner can submit a request for
warranty transfer, free of charge, via the
searay.com website. Alternatively, the new
owner can submit a written request to the Sea
Ray Division of Brunswick Corporation, 2600
Sea Ray Blvd., Knoxville, TN 37914,
accompanied by a $50 processing fee.
Thank you for your decision to buy a Sea Ray.
The Limited Warranty is subject to change at
any time at Sea Ray’s discretion. The
information contained herein is general
information about the Limited Warranty for the
owner’s general knowledge, and does not alter
or amend the terms of the Limited Warranty.

240 Sundeck
®
vi
240 SUNDECK
®
OWNER’S MANUAL • TABLE OF CONTENTS
INTRODUCTION
1. This Manual ............................................................. iii
2. Your responsibilities ................................................. iii
3. Source of Information ............................................... iii
4. Dealer Responsibilities ............................................. iii
5. Warranties ............................................................... iii
6. Hull Identification Number (HIN) ............................... iv
7. Manufacturer’s Certification ...................................... iv
8. Service, Parts and Repair for Your Boat ................... iv
About Your Limited Warranty ....................................... v
SECTION 1 • SAFETY
SAFE Boating Means ............................................... 1.1
1. Safety Labels ........................................................ 1.1
2. Legally Mandated Minimum Required Equipment . 1.2
3. Fire Extinguishing Equipment ................................ 1.2
4. Carbon Monoxide .................................................. 1.2
A. Carbon Monoxide Monitor ............................. 1.3
5. Life Saving Equipment .......................................... 1.3
A. PFD Classifications ....................................... 1.4
6. Additional Recommended Equipment for
Safe Operation ...................................................... 1.5
7. Impaired Operation ............................................... 1.5
8. Load Capacity ....................................................... 1.6
9. Power Capacity ..................................................... 1.6
10. Stability ............................................................... 1.7
11. Maintain Control .................................................. 1.7
A. General Considerations ................................. 1.8
12. Weather .............................................................. 1.8
A. Ocean ........................................................... 1.8
B. Offshore ........................................................ 1.8
C. Inshore .......................................................... 1.8
D. Sheltered Waters ........................................... 1.8
13. Chart Your Course ............................................... 1.9
14. Water Sports ....................................................... 1.9
A. Swimming ..................................................... 1.9
B. Skiing .......................................................... 1.10
C. Diving .......................................................... 1.10
15. Emergency Situations ....................................... 1.11
A. Medical Emergency ..................................... 1.11
B. Water Rescue .............................................. 1.11
C. Fire .............................................................. 1.12
D. Flooding, Swamping and Capsizing ............. 1.12
E. Collisions and Leaking ................................ 1.12
F. Grounding .................................................... 1.12
G. Propulsion, Control or Steering Failure ........ 1.13
16. Safety Hotlines .................................................. 1.13
17. International Requirements ............................... 1.13
18. Environmental Considerations .......................... 1.13
A. Fuel and Oil Spillage ................................... 1.14
B. Waste Disposal ........................................... 1.14
SECTION 2 • GENERAL BOAT ARRANGEMENT
1. Docking/Lifting/Trailering ...................................... 2.1
A. Supporting The Boat ..................................... 2.1
2. Passenger Locations ............................................ 2.2
3. Propulsion System ............................................... 2.3
4. Basic Boat Dimensions and Clearances .............. 2.4
5. Deck Layout ......................................................... 2.5
6. Helm, Gauge and Switch Layout .......................... 2.6
7. Function and Location of Thru-Hull Cutouts ......... 2.7
8. Description of Major Controls ............................... 2.8
A. Gear Shift and Throttle Control ..................... 2.8
B. Power Trim Unit and Gauge .......................... 2.8
C. Trailer Switch ................................................ 2.9
D. Transom Trailer Trim Switch (Optional) .......... 2.9
E. Trim Tabs ..................................................... 2.10
F. Ignition Shutdown Switch ........................... 2.11
G. Engine Alarm System ................................ 2.11
9. Important Gauges .............................................. 2.11
A. SmartCraft
™
Gauge System ...................... 2.11
B. Tachometer ................................................. 2.12
C. Oil Pressure, Water Temperature,
and Fuel Gauge ........................................ 2.12
D. Magnetic Compass ..................................... 2.12
10. Navigation and Anchor Lights .......................... 2.13
SECTION 3 • USING YOUR BOAT
1. Pre-Launch, Launch and Post-Launch Checklist ... 3.1
2. Trailer Launching and Loading .............................. 3.2
3. Fueling the Boat .................................................... 3.2
4. Boarding ............................................................... 3.3
5. Personal Flotation Devices (PFDs) ....................... 3.4
6. Passenger Instruction and Location ...................... 3.4
7. Starting the Engines .............................................. 3.4
8. Shifting to Drive the Boat ....................................... 3.6
9. Stopping the Engines ............................................ 3.6
10. Steering System ................................................. 3.6
11. Anchoring ............................................................ 3.8
A. Anchoring Arrangement ................................. 3.8
SECTION 4 • BILGE & UNDERWATER GEAR
1. Bilge ..................................................................... 4.1
A. Fuel & Oil Spillage ......................................... 4.1
B. Drain Plug ..................................................... 4.1
C. Bilge Pumps ................................................. 4.1
C. Excessive Noise ......................................... 1.14
D. Wake / Wash .............................................. 1.14
19. Nautical Terms .................................................. 1.15
20. Key to Symbols on Control & Prints .................. 1.16
21. Warning Label Locations ................................... 1.17

240 Sundeck
®
vii
240 SUNDECK
®
OWNER’S MANUAL • TABLE OF CONTENTS
SECTION 5 • FUEL SYSTEM
1. Fuel System .......................................................... 5.1
A. Electric Fuel Valves ....................................... 5.2
2. Fueling Precautions ............................................... 5.2
A. General .......................................................... 5.2
B. Before & During Fueling - Checklist ................ 5.2
C. After Fueling - Checklist ................................. 5.3
SECTION 6 • ELECTRICAL SYSTEM
1. Electrical System .................................................. 6.1
A. Direct Current (DC) ....................................... 6.1
B. Recommended Batteries ............................... 6.3
C. Battery Switch ............................................... 6.3
2. Ignition Protection ................................................. 6.3
3. Breakers and/or Fuses .......................................... 6.4
4. Accessory Fuse Block ........................................... 6.4
5. Fuse Sizes ............................................................ 6.5
6. 12 Volt Accessory Receptacle ............................... 6.6
7. Lighting ................................................................. 6.6
8. Electrolytic Corrosion And Zinc Anodes ................ 6.8
9. Marine Electronic Cathodic Anti-Corrosion
System (Mercathode
®
) ....................................... 6.9
10. Electrical Schematics and Wiring Harnesses ...... 6.9
SECTION 7 • OPTIONS & ACCESSORIES
1. Layout and Accessory Locations ........................... 7.1
2. Corsa
TM
Thru-Hull Exhaust System (Option) ........... 7.1
3. Water System ........................................................ 7.2
A. Sanitizing The Water System ......................... 7.2
B. Winterizing The Water System ........................ 7.2
C. Water Pump And Filter ................................... 7.3
4. Toilet (Head) System .............................................. 7.5
A. Pump-Out Head ............................................. 7.5
5. Stereo System ...................................................... 7.5
6. Fire Extinguisher Discharge Port ............................ 7.6
7. Automatic Fire Estinguisher System (Option) ........ 7.6
8. Canvas .................................................................. 7.7
A. Installation Tips ............................................. 7.9
B. Trailering with canvas ..................................... 7.9
C. Canvas Care and Maintenance ..................... 7.9
9. Horn ...................................................................... 7.9
10. Docking Lights (Option) ....................................... 7.9
SECTION 8 • REQUIRED INSPECTION, SERVICE AND
MAINTENANCE
1. Summary Guide for Inspection, Service and
Maintenance ...................................................... 8.1
2. Useful Service Information .................................... 8.3
3. Inspection, Service and Maintenance Protocol ...... 8.4
A. Bilge Area ..................................................... 8.4
B. Topside and Supplies .................................... 8.5
4. Winterization Checklist for Boats Stored on Land .. 8.5
A. Boat Storage ................................................. 8.5
B. Engines ......................................................... 8.5
C. Battery(ies) ................................................... 8.5
D. Head System ................................................ 8.6
E. Water System ................................................ 8.6
F. Fuel Systems ................................................. 8.7
5. Fitting Out After Storage ........................................ 8.7
A. Fuel System .................................................. 8.7
B. Battery(ies) .................................................... 8.7
C. Miscellaneous ............................................... 8.7
6. Security Considerations ........................................ 8.8
7. Seacock Lubrication .............................................. 8.8
8. Power Steering System Maintenance .................... 8.8
9. Engine Oil Change System ................................... 8.9
10. Quick Feference Checklist ................................. 8.10
A. Boarding The Boat ...................................... 8.10
B. Preparing To Depart And After Lanuching ... 8.11
C. While Underway .......................................... 8.12
D. Returning To Port ........................................ 8.12
E. Securing The Boat ....................................... 8.13
F. If The Engine Does Not Start ....................... 8.13
G. Operating The Generator ............................ 8.14
11. After Market Equipment Checklist ..................... 8.15
12. Maintenance Log .............................................. 8.16
SECTION 9 • CARE & REFINISHING
1. Paint, Cleaning Agents and Other Substances ...... 9.1
2. Fiberglass & Gelcoat ............................................. 9.1
3. Stains & Scratches ................................................ 9.1
4. Permanently Moored or Docked Boats .................. 9.2
5. Care for Bottom Paint ............................................ 9.2
6. Topside Areas ....................................................... 9.2
A. Stainless Steel and Alloy Fittings ................... 9.2
B. Salt Crystals .................................................. 9.2
7. Acrylic Plastic Sheeting (Plastic Glass) ................. 9.3
8. Canvas and Clear Vinyl ......................................... 9.3
9. Exterior Upholstery Fabric ..................................... 9.3
10. Interior Upholstery Fabric .................................... 9.3
D. Bilge Blowers ................................................ 4.2
E. Engine and Stern Drive ................................. 4.3
F. Bilge Layout .................................................. 4.5

240 Sundeck
®
viii
240 SUNDECK
®
OWNER’S MANUAL • TABLE OF CONTENTS
Information in this publication is based upon the latest product specifications available at printing. Sea Ray
®
Boats, Inc.
reserves the right to make changes at any time, without notice, in the colors, equipment, specifications, materials and
prices of all models, or to discontinue models. Should changes in production models be made, Sea Ray
®
is not
obligated to make similar changes or modifications to models sold prior to the date of such changes.
240 Sundeck
®
Owner’s Manual
Printed in the U.S.A June 2004, August 2005
© Sea Ray Boats, Inc. • A Brunswick Company
MRP #1806424
Sea Ray Boats, Inc. 2600 Sea Ray Blvd., Knoxville, TN 37914
For information call 1-800-SRBOATS or fax 1-314-213-7878
Internet Address: http://www.searay.com
Note: Not all accessories shown inpictures or described herein are standard
equipment or even available as options.
Options and features are subject to change without notice.
The following are registered trademarks of the Brunswick Corporation: Sea Ray
®
& The SR Wave Logo
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This manual is for the Sea Ray 240 Sundeck boat model and includes the following:
- Detailed instructions for the installation and maintenance of your Sea Ray 240 Sundeck
- Step-by-step instructions on how to use the boat and its features
- Safety tips and recommendations for handling the boat
- Troubleshooting and repair tips
- Specifications for engine, electrical, and plumbing systems
This detailed manual is designed to provide essential information for both professional mechanics and DIY enthusiasts to effectively maintain and operate the Sea Ray 240 Sundeck boat. It includes clear instructions and helpful diagrams for easy understanding.
Whether you are a novice or an experienced boater, this manual will equip you with the necessary knowledge to ensure safety and enjoyment on the water.
Access the Sea Ray 240 Sundeck Owners Manual today to maximize the potential of your boat.