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.

You are currently viewing UNIMIX® 2-CYCLE MOTOR OIL

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)

Technical Details

  • Specific Gravity @ 60°F: 0.862
  • Licenses & Approvals

    Unimix 2-Cycle Motor Oil is licensed under the following industry specification:#NMMA TC-W3 (Certification No. RL-13135T)

    Unimix 2-Cycle Motor Oil meets or exceeds the requirements of:#API Service TC#JASO FB#NMMA TC-WII®, TC-W® (obsolete specifications)

    Additional Details

    Specific Gravity @ 60°F 0.862
    Density, lbs/gal @ 60°F 7.18
    Color, ASTM D1500 Blue
    Flash Point (COC), °C (°F) 102 (216)
    Flash Point (PMCC), °C (°F) 81 (178)
    Pour Point, °C (°F) -38 (-36)
    Viscosity, Brookfield, cP @ -25°C 4310
    Viscosity, Kinematic
    cSt @ 40°C 30.9
    cSt @ 100°C 5.6
    Sulfated Ash, ASTM D874, wt % <0.001
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