Yanmar Marine

Products

5.7 TKS

Our largest carbureted engine, the 5.7 TKS is designed for boaters looking for lots of power and value. The big displacement V-8 power makes it perfect for boats in need of the extra torque that only cubic inches can provide. A great choice for everything from pontoons to express cruisers, the 5.7 TKS offers the value of a carbureted engine with user-friendly features such as our patented Turn Key Starting (TKS) system for instant no-choke starts, high-energy ignition, extended maintenance intervals and platinum-tipped spark plugs for crisp performance and long life.

Specifications

Features

 

 

 

 

 

 

 

 

 

 

 

 

Compatible Drives

Alpha
Bravo One

Bravo Two
Bravo Three

5.7 TKS - 250 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
  • Standard anti-feedback power steering helps reduces operator fatigue and makes boat handling a breeze
  • 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
  • Engine-mounted drive lube monitor for easy lube check or add from inside the boat
  • 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
  • Helm-mounted Audio Warning System monitors oil pressure, engine temperature and drive lube level and provides instant alarm if any of these vary from normal range
  • MerCathode galvanic corrosion prevention system standard on Bravo models, available on Alpha models, offers unmatched active electronic corrosion protection
  • Large 65 Amp alternator provides plenty of power for popular onboard electronics