Mercury Mercruiser Engines

Marine Inboard 5.7 TKS - 260 hp

At 260 hp, the 5.7 TKS Inboard is the value leader in the MerCruiser Inboard line. Its proven small block V-8 offers smooth operation and our exclusive TKS system, along with a host of other standard MerCruiser inboard features. Included is MerCruiser's exclusive Turn Key Starting (TKS) system, standard on all carbureted engines. This patented feature eliminates the hassle of starting a cold engine. Simply turn the key – no choke, pumping or priming required. The entire MerCruiser gas lineup features Turn Key Starting. No other engine manufacturer can match that.

   Mercury Mercruiser Marine Engines Inboard 5.7 TKS - 260 hp

RELIABILITY

  • Thunderbolt V Hi-Energy Ignition and platinum-tipped spark plugs ensure reliable starts
  • Dry-joint exhaust eliminates the chance for water to enter engine through leaky gaskets
  • Water-separating fuel filter helps protect fuel system and engine against damage
  • Industry-exclusive 3-year limited corrosion failure warranty
  • Proven GM cast iron block V8 power for years of reliable operation
  • EDP-coated exhaust elbows resist temperature and corrosion for long life
  • Serpentine belt system for longer belt life

PERFORMANCE

  • Dual Plane intake manifold for improved fuel atomization means more power & torque
  • Revised fuel calibration for more crisp acceleration and improved running quality
  • Low restriction flame arrestor for added horsepower and torque

EASY OWNERSHIP

  • 3-year/300 hour maintenance interval on many periodic service items saves time and money
  • Easy Oil Drain system is cleaner and makes periodic service simple and less work
  • Color-coded service points makes checking fluid levels simple and straightforward
  • Operates on easy to find, less expensive 87 octane fuel
  • No tools required to drain water from engine with blue drain plugs

TECHNOLOGY

  • Turn Key Starting for easy starts, cold or hot, every time with no choking or priming
  • The helm-mounted Audio Warning System monitors oil pressure and engine temperature and provides an instant alarm if either of these vary from normal range
  • Large 65 Amp alternator provides plenty of power for popular onboard electronics

Power 260HP (191KW)
Full Throttle Range 4200 - 4600 RPM
Displacement 350 CID (5.7L)
Engine Type V8
Bore & Stroke 4.00" X 3.48" (101mm X 88mm)
Compression Ratio 9.4:1
Fuel Requirement 87 Octane (R+M)/2
Fuel System 2V Carb with Turn Key Start & Electric Fuel Pump
Induction System Dual Plane Iron Intake Manifold
Ignition System Thunderbolt V with Knock Control
Charging System 65 Amp/917 Watt Alternator
Water Drain System Multi Point Drain - Hand Removable Blue Drain Plugs
Exhaust System Closed Cooled Iron Manifold with EDP Coated Dry-joint Exhaust Elbow
Cooling System Thermostatically Controlled, Raw Water
Accessory Drive System Serpentine Belt
Recommended Engine Oil MerCruiser Full Synthetic Engine Oil - SAE 20W-40
Engine Guardian System Low Oil Pressure, High Coolant Temperature, High Transmission Temperature
Velvet Drive 5000A 1.25, 1.5, 2.0, 2.5, 2.8:1
Velvet Drive 5000V 1.5, 2.0, 2.5:1
Velvet Drive 71C 1.0:1
Velvet Drive 72C 1.0:1
ZF 63A 1.5, 2.0, 2.5, 2.7:1
ZF 63 IV 1.5, 2.0, 2.5:1
ZF 45 C N/A
Dimensions (LxWxH) in 43x 30 x 22
Dimensions (LxWxH) mm 1092 x 740 x 559
Weight w/ Velvet Drive (lbs./kg) 888/400
Optional Freshwater Cooling Kit


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Bullock Marine offers new & used powerboats as well as performance boat accessories: skater, fountain, eliminator, Mercruiser Mercury Marine (competition - racers & performance propellers, Zero Effort Controls™, K-Plane™ high performance trim tabs, Mercury Racing Trim Indicators™, high performance engines, competition drive, etc.) cigarette boat, welcraft, scarab, donzi boats, catamaran raceboat, high speed twin hull, etc. Bullock Marine is an authorized dealer for Douglas Marine Skater Powerboat, Regy Fountain powerboat & sport boat, Eliminator powerboat & sport boat, and Mercury Mercruiser marine engines, Drive & accessories. Mercury Mercruiser HP 1075 SCi 1075 HP marine engines racing boats Mercury Marine HP 575 SCi 575 HP Sterndrives performance boat Mercruiser HP 525 EFI 525 HP race boat engine for sale powerboats Mercury Mercruiser HP 500 EFI 500 HP stern drives power boat Mercury Marine Scorpion 377 377 HP marine engines high performance boats Mercruiser 496 MAG High Output 425 HP Sterndrives sport boat Mercury Mercruiser 496 MAG 375 HP race boat engine for sale powerboat Mercury Marine MX 6.2 MPI Horizon 320 HP stern drives performance boats Mercruiser MX 6.2 MPI 320 HP marine engines power boats Mercury Mercruiser 350 MAG MPI Horizon 300 HP Sterndrives engines Mercury Marine 350 MAG MPI 300 HP race boat engine for sale mercruiser Mercury Drive Dry-Sump Six drive racing mercruiser powerboats mercury Bravo One XR Sport Master sport boat drives sport boat V SSM drive mercury race power boats III-A SSM drives mercury mercruiser racing boats Bravo One XR I.T.S.racing drive powerboat Bravo X Diesel mercruiser drives sport boats Bravo XR mercury drive for sale power boats Bravo X drives mercruiser boats Bravo mercury drive sales pleasure Alpha drive mercruiser boat

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