Phillips 66® Unimix 2-Cycle Motor Oil is a high-quality, ashless engine oil specially designed for use in water-cooled and most air-cooled 2-stroke cycle engines. It is TC-W3® certified by the National Marine Manufacturers Association (NMMA), and also meets API TC and JASO FB performance requirements for use in air-cooled 2-stroke cycle engines. It is recommended for use in low- to mid-horsepower (up to 115 HP) engines, and may be used in either direct oil injection or premix engines.


Features & Benefits

  • Meets all outboard and personal watercraft manufacturers warranty requirements where a TC-W3® oil is specified
  • Ashless dispersant/detergent formulation helps minimize engine deposits and pre-ignition
  • Minimizes piston ring sticking and helps reduce exhaust port blocking
  • Protects against piston and cylinder scuffing
  • Good lubricity
  • Reduces spark plug fouling
  • Good rust and corrosion protection
  • Keeps engine parts clean
  • Mixes easily with gasoline at low temperatures for premix applications
  • Dyed for easy visibility when mixed with gasoline
  • Suitable for either direct oil injection or premix engines


  • Outboard marine engines
  • Personal watercraft
  • Motorcycles, scooters and all-terrain vehicles (ATVs)
  • Snowmobiles
  • Low-output chain saws
  • Lawn-care equipment (mowers, weed trimmers, leaf blowers)
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