Back Cove 340 Outboard

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Back Cove 34o Outboard
Standard Layout: Double Berth Forward
Length Overall: 38' 11" (11.86m)
Length: 35' 0" (10.67m)
Beam: 11' 10" (3.61m)
Draft: 3' 1" (.94m)
Displacement: 17,000 lbs
Hull Material: Fiberglass
Engines: (Standard) Twin Suzuki 350 mhp electronically controlled engines (Cool White). Optional: The Yamaha 300s or Twin Mercury 2.6L Verados at 400mhp
Horsepower: 350 / 350 (hp)
Fuel Type: Gas
Cruise Speed: 27.7 / 29 knots
Max Speed: 37.5 / 40.5
Fuel Capacity: 250 gals. (946 liters)
Water Capacity: 60 gals. (227 liters)
Hold Tank Capacity: 40 gals. (151 liters)


All measurements are approximate and not guaranteed. Speeds are subject to load, conditions and other factors. Please contact a Boston Yacht Agent to confirm the accuracy of all information

Back Cove Yachts introduces the brand new 34O, powered by a pair of Yamaha 300’s, with optional 350 hp Yamaha or Suzuki’s. The entirely new hull fitted with standard bow thruster and designed specifically for outboard propulsion offers cruise and top end speeds approximately 10 knots faster than the traditional single diesel Back Cove.

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Comments & Broker’s Notes

Her cockpit and helm deck are meant for entertaining with an aft facing seat that converts into a U-shaped helm deck dinette, or second berth. The standard 5kW diesel generator and cabin A/C below deck coupled with the spacious island berth, separate head, and shower, remind one that this Back Cove is still intended for cruising.

Desired cruise speed for the new Back Cove 34o is 30 to 35 knots, with a top speed of 40 knots. The 34o will be 10 percent lighter than the 32 it’s based on, with a displacement of around 17,000 pounds. To reduce weight, solid fiberglass topsides became cored versions, and a few other adjustments.

Amazing storage is available where the diesel engines were on the 32. The access hatch is on a hinge, allowing plenty of space for bikes, stand-up paddle boards and an array of water toys or other items.

The layout rendering below is the latest release from Back Cove’s Design Team – and if you’re noticing some similarities to the Back Cove 32, that’s no accident. Our two most recent models are intentionally similar, but you’ll find a difference in the aft facing seat that converts to a helm deck U-shaped dinette or a second berth. More striking is the 34O’s hull, which is newly designed to optimize the performance of her Yamaha 300’s (350 hp Yamaha or Suzuki’s optional).

Interior Details


  • Varnished Cherry interior on molded composite hull liner
  • Lewmar hatch w/ screen
  • (2) stainless steel opening port lights with screens
  • Island double berth w/ drawers and storage below
  • Shelves above berth with storage cubbies forward of lockers
  • Cedar lined hanging locker to starboard
  • Drawer / Shelf locker to port
  • Cherry hull ceilings
  • Sirius – XM ready Fusion stereo system w/ Bluetooth connectivity. Interior and helm deck speakers
  • “Teak and holly” laminate cabin sole
  • Molded headliner with soft panels
  • Charging station AC/DC/USB


  • Clear anodized aluminum windows w/ opening side and center windows
  • (3) windshield wipers w/fresh water wash and intermittent control
  • Lewmar sliding hatch w/ OCEANair Skyscreen
  • Compass, illuminated
  • Stazo wood grain steering wheel
  • Llebroc helm seat
  • FRP companionway slider with screen and lockable latch
  • Salon hatch opens by electrical linear actuators
  • Stainless tie down rails in salon storage room
  • Convertible aft dinette seating with Back Cove high gloss inlaid table
  • Mates seatback moves fore and aft for helm or settee positioning
  • Aft dinette seat converts to face cockpit
  • Slide out storage drawer beneath dinette seating


  • Electric two burner cook-top
  • Drawer style AC/DC fridge
  • Large SS Galley sink w/ single lever faucet & drop in cover
  • Solid surface countertop
  • Microwave oven
  • Drawer and doors storage below counter

Exterior Details


  • Back Cove white iso-npg gelcoat
  • Vinylester backup resin
  • VIP Resin Infused Hull w/ PVC foam core bottom and topsides
  • VIP Resin Infused foam core stringer system
  • Awlgrip boot stripe
  • Molded cove stripe depression w/ “gold leaf” style stripe


  • Back Cove white iso-npg gelcoat w/ graystone anti-skid on walking surfaces
  • VIP Resin infused balsa core sandwich structure
  • Mooring cleats forward, aft and spring line. Aft cleats are pull-up style
  • Stainless steel anchor roller weldment
  • Anchor locker w/ ground tackle storage
  • Hard top mounted running lights LED
  • LED all-around anchor/nav light on hard top
  • Teak accent stripe on cabin side
  • Custom 1-1/4’’ 316L stainless steel perimeter rail
  • SS handrails on hard top, port and starboard
  • Compressed air horn on hard top (mast opt.)
  • (4) opening port lights w/ insect screens
  • Port & starboard molded steps leading to side & fore deck
  • Molded cockpit seating w/ storage
  • Transom door on centerline
  • Cockpit hatch to lazarette
  • Swim step w/ SS under mount swim ladder
  • Hot and cold cockpit shower
  • Self draining cockpit
  • Lewmar cabin hatch with Oceanair screen
  • Acrylic, companion way sliding door with screen
  • Pop-up fender cleats on cockpit coaming
  • Swim step engine well hatch w/drain
  • Transom mounted grab rails

Machinery & Systems


  • Twin Suzuki 350 mhp electronically controlled engines (Cool White)
  • Yamaha 7” color display
  • 3 blade SS propeller
  • Binnacle mount Yamaha twin engine control
  • 250 US gallon fuel tank w/1.5” fill
  • Yamaha Fuel Filters
  • Electric actuated, heavy duty trim tabs w/ manual helm control
  • SeaStar hydraulic steering w/ tilt helm pump
  • Power assist steering pump
  • Sidepower bow thruster w/ joy stick control (SE50)
  • Hot and Cold pressurized water
  • 11 gallon water heater w/ heat exchanger
  • Marelon sea valves on underwater thru-hulls
  • Below deck air conditioning w/reverse cycle heat
  • Fixed fire extinguishing system in lazarette


  • Onan 5 KW genset with sound shield and water/exhaust separator
  • AC and DC control panels with polarity indicator
  • DC system battery management switching
  • DC breakers for electronics
  • Emergency cross over switch / ACR
  • (2) 120V AC 30 amp shore power w/ 50 foot cord sets
  • AC shore power system ELCI protected
  • Galvanic isolator
  • GFI protected 120V circuits
  • Battery Charger
  • (2) 4D AGM house battery
  • (3) Group 31 AGM engine start battery
  • (3) 12VDC automatic bilge pumps
  • Bonding system w/ zinc transom anode
  • LED storage room and lazarette lighting
  • Cockpit courtesy lights switched at transom door and helm
  • Overhead LED cabin lights, with dimmer control
  • Reading lights in salon/berth area
  • Overhead bi-color LED helm deck light w/ switch
  • 12V outlet at helm and in cabin


  • Head to port w/ separate shower stall to starboard
  • Molded seat in shower stall
  • Built-in vanity w/ sink and storage in head
  • Borrowed light in head with privacy glass
  • Stainless steel opening ports w/ insect screen and shade
  • Cherry framed mirror in head
  • Solid surface countertop
  • Single lever faucet
  • Shower-drain sump pump system
  • Standard size fresh water electric MSD w/ holding tank
  • Macerator for holding tank overboard discharge as permitted
  • Holding tank pump-out fitting on deck
  • Sealed overhead lighting
  • Powered exhaust fan (12V) in head and shower
  • Waste and Fresh water level gauge

Options / Other Additions

We welcome the opportunity to discuss the options, accessories and customization available for this model. The list of equipment and features which may be presented below, may not be the complete inventory of features and equipment available to this model.

Contact a Boston Yacht sales agent to discuss your interests in this model and how may assist you in outfitting the boat to your specific requirements.


  • Yamaha 4.2L V6 twin outboard engines/300 MHP (grey)
  • Yamaha 4.2L V6 twin outboard engines/300 MHP (white)
  • Suzuki 4.4L V6 twin outboard engines/350MHP (cool white)
  • Yamaha 5.3L V8 twin outboard engines/350 MHP (white)


  • Choose from standard fabric collection
  • Ultraleather upgrade for helm deck (Includes standard Arrigoni helm chair)


  • Vinyl (Huron, Snow Cap, Stoneware)
  • Sunbrella from standard fabric selections


  • Convection microwave
  • Trim package (Includes cherry dash panel, cherry overhead grabrails, padded ceiling panels, cherry battens and P&S storage room lockers)
  • Vitrofrigo icemaker below mate’s seat OR Vitrofrigo DW100 drawer fridge below mate’s seat OR Vitrofrigo DW100 drawer freezer below mate’s seat
  • 19″ LCD TV / DVD in cabin


  • 1800 Watt inverter
  • 7.5 kW Onan generator upgrade


  • Anchor windlass
  • Air conditioning, helm, 16K BTU (requires 7.5kW gen. upgrade)
  • Automatic outboard flushing system (includes Shore Water Inlet)
  • Fresh water wash down in anchor locker
  • Electric Power Steering (EPS)
  • Joystick Docking System (includes Electric Power Steering)
  • Raw water washdown fore and aft


  • Centerline cockpit seat filler
  • Removeable cockpit table; P&S mounting locations (Triangular shaped table, bracket mounted with 3 receiver locations)
  • SureShade Silent Glide cockpit awning system
  • Mast for hardtop
  • Teak decking on swim platform