Sea Ray Boats SDX 290 Manual
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Sea Ray Boats SDX 290 Manual

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SDX 290 Outboard
MRP: 2336112
SR_SDO290_1677_MY21_20211006

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Rachel Lasky
July 12, 2025

How do I obtain a replacement key for vacuum generator pump on a Sea Ray SDX 290?

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John Kaiser
May 24, 2025

I have a 2019 sdx. 290 is there a way to get in the fresh water tank to clean it?

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Summary of Contents for Sea Ray Boats SDX 290

  • Page 1 SDX 290 Outboard MRP: 2336112 SR_SDO290_1677_MY21_20211006...
  • Page 3 Packet contains information provided by the individual systems manufacturers of equipment installed on your boat. Examples include the engine, engine control, and electronic equipment. Throughout the Owner’s Manual, you will be referred to information provided by manufacturers of specific systems. SDX 290 Outboard...
  • Page 4 Printed in the U.S.A. May 2017 © Sea Ray Boats • A Brunswick Company Sea Ray Boats, 800 South Gay St., Suite 1200, Knoxville, TN 37929 Note: Not all accessories shown in pictures or described herein are standard equipment or even available as options.

  • Page 5: Table Of Contents

    19. Waste System (If Equipped) ........ 24 20. SmartCraft ............26 ™ 21. Manual Submersible Swim Step......26 22. Entertainment System ......... 26 23. Canvas ..............26 24. Ski Tow Pylon ............26 This publication does not contain component or accessory manuals. SDX 290 Outboard...

  • Page 7: Introduction

    NOTICE Contact state boating authorities or any marine Information which is important to proper operation or dealer for registration requirements. maintenance, but is not hazard related. SDX 290 Outboard...

  • Page 8: Sources Of Information

    • A review of all warranty information and how to obtain warranty service • The Owner Information Package If you do not receive all of these materials, or have any questions, contact your dealer. SDX 290 Outboard...

  • Page 9: Manufacturer's Certification

    A warranty done by an authorized dealer at the authorized information card is also included in the owner dealer’s location. information packet. If for some reason this information is missing, contact your Sea Ray dealer. ® SDX 290 Outboard...
  • Page 10 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, but does not alter or amend the terms of the Limited Warranty. viii SDX 290 Outboard...

  • Page 11: General Information

    The manufacturer’s load rating is the maximum allowed under calm conditions. ! WARNING Reduce boat loading if weather, water, or other Rear facing transom seats/sunpads MUST NOT be conditions are adverse. used while engine is running or boat is moving. SDX 290 Outboard...

  • Page 12: Load Capacity

    • European Union – CE regulations provide time to avoid being caught in high winds and rough specific numbers for passenger capacity and water. Do not take chances! cargo weight for all recreational vessels. SDX 290 Outboard...

  • Page 13: Safety Label Locations

    DUNNAGE, LINING AND PACKING waste. and washbasin, and does MATERIALS THAT FLOAT “Garbage” does not include not include drainage from fresh fish or fish parts, OUTSIDE 25 MILES toilets, urinals, hospitals, dishwater, and gray water. and cargo spaces. PLASTICS 2029125 SDX 290 Outboard...
  • Page 14 WARNING REAR FACING TRANSOM SEATS MUST NOT BE USED WHILE ENGINE IS RUNNING OR BOAT IS MOVING. YOU CAN DIE OR BE SERIOUSLY INJURED BY BREATHING CARBON MONOXIDE OR BY THE PROPELLER IF YOU FALL OVERBOARD. 2075995 SDX 290 Outboard...
  • Page 15 WARNING STANDARDS USING AVOID COLLISIONS- CERTIFIED COMPONENTS • Maintain lookout as required by the “Rules of SEA RAY BOATS, KNOXVILLE, TN. the Road” • Visibility can be limited by high boat trim angles, 1972119 persons, gear, weather and atmospheric conditions.
  • Page 16 Carbon monoxide will be around the back of the boat when engines or generators are running. IS UNDERWAY. DEPLOYED PLATFORM MAY Move to fresh air, if you feel nausea, headache, AFFECT BOAT PERFORMANCE. dizziness, or drowsiness. 2175158 1811367 SDX 290 Outboard...

  • Page 17: Key To Symbols On Controls And Prints

    TRIM TAB CONTROL PROPULSION WITH WIDTH OF LIFT BATTERY TRIMMING LEVER CONTROL LEVER OPERATING SYSTEM TRIM SYMBOL) POINT (THROTTLE & SHIFT) OPERATION DIRECTION BOW DOWN WARNING FIRE NO OPEN FLAME ELECTRICAL WATER PUMP ACCESSORY RISK NO SMOKING HAZARD SDX 290 Outboard...

  • Page 18: Basic Boat Dimensions And Clearances

    OPTIONS, LOAD, AND RUNNING CONDITIONS. Fuel Capacity ......141 gallons..534 liters Water Capacity ......20 gallons ....76 liters Holding Tank ......10 gallons ....38 liters Deadrise ........21° Maximum Power Capacity ..500 hp .....373 kw SDX 290 Outboard...

  • Page 19: Function And Location Of Through-Hull Cutouts

    . PORT COCKPIT DRAIN . PORTLIGHT . ENGINE HATCH DRAIN . HEAD SINK DRAIN Bilge Through-Hull Cutouts Transom Through-Hull Cutouts (Fig. 9.3) (Fig. 9.4) . TRANSDUCER . STERN EYES . MACERATOR DISCHARGE . GARBOARD DRAIN SEACOCK (IF EQUIPPED) SDX 290 Outboard...

  • Page 20: Helm, Instrument, And Switch Layout

    Helm Layout (Fig. 10.1) . DIGITAL DASH DISPLAY . PORT SWITCH PANEL . FUSE BLOCK (BEHIND HELM) . STEREO . STARBOARD SWITCH PANEL Note: Typical layout shown. Actual layout may vary depending on engine and accessory options. SDX 290 Outboard...
  • Page 21 General Information Helm, Instrument, and Switch Layout Port Switch Panel (Fig. 11.1) LIGHTS . STEREO Starboard Switch Panel (Fig. 11.2) BILGE WATER PARALLEL PUMP PUMP SWITCH WIPER ANCHOR . TRIM TABS . IGNITION SDX 290 Outboard...

  • Page 22: Deck Layout

    . DRINK HOLDER . THROTTLE/SHIFT . TOWER WITH ALL-ROUND LIGHT . SHORE POWER INLET (IF EQUIPPED) . WATER FILL (IF EQUIPPED) . HEAD PUMP OUT (IF EQUIPPED) . DRINK HOLDERS . STARBOARD NAVIGATION LIGHT . BOW LADDER SDX 290 Outboard...

  • Page 23: Cleats/Lifting/Storage

    Even a small amount of water in the engine can cause rust and is to be avoided. Never hoist the boat with an appreciable amount of water in the bilge. Fuel and water tanks should preferably be empty, especially if of large capacity. SDX 290 Outboard...

  • Page 24: Navigation And Anchor Lights

    Some lights, such as blue colored lights, may be illegal to display on a boat. It is the owner’s responsibility to ensure that displayed lights are also compliant with local regulations. ALL-ROUND NAVIGATION/ ANCHOR LIGHT WITH TOWER SDX 290 Outboard...

  • Page 25: Bilge

    • Keep strainer screens clean and replace if damaged. . STRAINER CAP . O-RING . STRAINER SCREEN . STRAINER BODY CASTING . STRAINER SIGHT GLASS . SEACOCK HANDLE (SHOWN IN OPEN POSITION) . SEACOCK . WATER INTAKE SDX 290 Outboard...
  • Page 26 Bilge Layout (Fig. 16.1) . BILGE PUMP (1,100 GPH) . TRANSDUCER . HOUSE BATTERY . BATTERY SWITCH . FUEL TANK . INVERTER BATTERIES . WATER TANK . PORT ENGINE BATTERY . STARBOARD ENGINE BATTERY . TRIM TAB PUMPS SDX 290 Outboard...

  • Page 27: Engines

    The joystick can be moved and rotated at the same time. Use gentle joystick movements until you gain comfort with the corresponding vessel response. SDX 290 Outboard...
  • Page 28 RPM. REFER TO THE MANUFACTURER’S MANUAL IN THE OWNER'S PACKET FOR COMPLETE INSTRUCTIONS AND WARRANTY. SDX 290 Outboard...

  • Page 29: Fuel System

    (10% ethanol) currently allowed by the EPA in of the valve should be left in the NORMAL position the United States. at all times. In the event of an electrical malfunction, Special precautions should be considered with SDX 290 Outboard...
  • Page 30 Additives There is no practical additive known that can prevent or correct phase separation. The only solution is to SDX 290 Outboard...
  • Page 31 General Information Fuel System Fuel System Layout (Fig. 21.1) . ENGINE FUEL FEED . FUEL TANK . CARBON CANISTER . FUEL TANK VENT . INLET CONTROL VALVE . DECK FUEL FILL . FUEL FILTERS SDX 290 Outboard...

  • Page 32: Freshwater System

    The freshwater system on your boat consists of a 20 gallon (76 liter) tank, 12V water pump, two faucets (head compartment and wet bar, if equipped), two freshwater washdown spigots (bow and transom), and hot water system (if equipped). Freshwater System Layout (Fig. 22.1) SDX 290 Outboard...

  • Page 33: Gray Water System

    18. Gray Water System Gray Water System Layout (If Equipped) (Fig. 23.1) . HEAD SINK DRAIN . HEAD FLOOR DRAIN . HOLDING TANK . PUMP OUT . TANK VENT . SHOWER SUMP . WET BAR SINK DRAIN (IF EQUIPPED) SDX 290 Outboard...

  • Page 34: Waste System (If Equipped)

    Prior to each use and at regularly scheduled accessible through locks, and other flowing waters intervals, cycle the macerator seacock handle open that are navigable interstate by vessels subject to and shut to ensure proper operation of the seacock. this regulation (40 CFR 140.3). SDX 290 Outboard...
  • Page 35 . VACU-FLUSH HEAD . WASTE HOLDING TANK . VENT FILTER . HEAD PUMP OUT . WASTE TANK VENT Waste System Layout with Direct Overboard Discharge (If Equipped) (Fig. 25.2) . VACU-FLUSH HEAD . HEAD VACUUM GENERATOR . MACERATOR SEACOCK SDX 290 Outboard...

  • Page 36: Smartcraft

    Do NOT use swim platform while engine is running. The manual submersible swim step, located on the port side of the swim platform, must only be used when engines are OFF. The swim step must be stowed when the boat is underway. SDX 290 Outboard...

  • Page 37: Electrical

    DC accessories attached to the electrical system. work on the engine’s electrical system. The following table describes the minimum recommended marine batteries to install in your boat. All batteries in a battery bank should be AGM of the same type, age, and rating. SDX 290 Outboard...
  • Page 38 (i.e., boat rack or blocks), consider If the boat is equipped with dockside power and an AC/ physically disconnecting the batteries from the boat and DC converter/battery charger, keep it on when shore SDX 290 Outboard...

  • Page 39: Ignition Protection

    SOH is less than 50 percent, do not put a battery into service that has less than 30 percent SOH. A battery load tester is a general indicator of a battery’s ability to provide a cranking current, but it is not as SDX 290 Outboard...

  • Page 40: Battery Switch

    Control Station fuse indicated when at least one of the battery voltages is block(s), the stereo, and devices located in the bilge. The above 13.0V for 2 minutes. Control Station fuse block(s) powers circuits at the helm. SDX 290 Outboard...

  • Page 41: Fuses And Breakers

    The charger is designed for the marine environment and is fully automatic. The charger’s AC plug will be either stowed next to it or routed to a bulkhead feed through inlet depending on the boat SDX 290 Outboard...

  • Page 42: Electrical Schematics

    When using an extension cord, connect the AC charger plug before connecting to the GFCI protected receptacle. • Make connection in an open atmosphere free of explosive fumes. • Make connection in a secure manner that will avoid contact with water. SDX 290 Outboard...
  • Page 43 Electrical DC Wiring Schematic (1 of 7) (Fig. 33.1) Warning: DO NOT attempt to work on the electrical system of this boat without professional assistance. SDX 290 Outboard...
  • Page 44 Electrical DC Wiring Schematic (2 of 7) (Fig. 34.1) Warning: DO NOT attempt to work on the electrical system of this boat without professional assistance. SDX 290 Outboard...
  • Page 45 Electrical DC Wiring Schematic (3 of 7) (Fig. 35.1) Warning: DO NOT attempt to work on the electrical system of this boat without professional assistance. SDX 290 Outboard...
  • Page 46 Electrical DC Wiring Schematic (4 of 7) (Fig. 36.1) Warning: DO NOT attempt to work on the electrical system of this boat without professional assistance. SDX 290 Outboard...
  • Page 47 Electrical DC Wiring Schematic (5 of 7) (Fig. 37.1) Warning: DO NOT attempt to work on the electrical system of this boat without professional assistance. SDX 290 Outboard...
  • Page 48 Electrical DC Wiring Schematic (6 of 7) (Fig. 38.1) PORT SWITCH PANEL Warning: DO NOT attempt to work on the electrical system of this boat without professional assistance. SDX 290 Outboard...
  • Page 49 Electrical DC Wiring Schematic (7 of 7) (Fig. 39.1) STARBOARD SWITCH PANEL Warning: DO NOT attempt to work on the electrical system of this boat without professional assistance. SDX 290 Outboard...
  • Page 50 Electrical AC Wiring Schematic 120 Volt 60 Hz (Fig. 40.1) Warning: DO NOT attempt to work on the electrical system of this boat without professional assistance. SDX 290 Outboard...
  • Page 51 Electrical AC Wiring Schematic 120 Volt 60 Hz with Inverter (Fig. 41.1) Warning: DO NOT attempt to work on the electrical system of this boat without professional assistance. SDX 290 Outboard...
  • Page 52 Electrical AC Wiring Schematic, 120 Volt 60 Hz Inverter (Fig. 42.1) Warning: DO NOT attempt to work on the electrical system of this boat without professional assistance. SDX 290 Outboard...
  • Page 53 Fuses ................. 31 Water System ............22 Helm, Gauges, and Switches Layout ......10 Hull Identification Number (HIN) ......... vi Through-Hull Cutouts ........... 9 Ignition Protection ............29 This publication does not contain component or accessory manuals. Index i SDX 290 Outboard...

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