MAG 1® Marine TC-W3 2-Cycle

Motorcycles, Scooters, Marine and Powersports 2-Cycle, Small Engine, Motorcycle and Marine Products

MAG 1® TC-W3 2-Cycle Oil is a premium, high-quality motor oil formulated for use in outboard motors, motorcycles, snowmobiles, chain saws, garden equipment, and other fuel-lubricated or oil-injected 2-cycle engines. Formulated to prevent ring sticking, reduce spark plug fouling, keep engine clean, prevent scuffing and work with injector and fuel-lubricated engines.

  • Follow engine manufacturers' recommendations to determine correct oil/fuel ratio. Add oil to fuel, mix thoroughly.
  • Meets API TC and JASO FB specifications.
  • Licensed by NMMA. 

Protection for Today’s 2-Cycle Engines

Small engines have evolved dramatically, requiring highly specialized fluids for unique applications. One brand has evolved right alongside – MAG 1®. Only the most advanced oil meets the difficult challenges of effectively balancing performance, strength and durability.

Featuring FMX® Technology ™ is designed to provide unsurpassed protection.


  • Delivers superior anti-friction performance for your outboard engines.


  • Provides a strong oil film to prevent metal-to-metal contact between rotating parts to prevent wear.


  • Resists thickening due to high operating temperatures.    

Industry/OEM Specifications

NMMA TCW-3 Approved
JASO FB, API TC Meets Requirements
Mercury, Johnson, Yamaha, Evinrude, Force, Mariner, Suzuki, Nissan Meets requirements where TCW-3 oils are required

Typical Properties

Color ASTM D1500 Blue
Gravity, °API ASTM D287 32.20
Nitrogen, wt. % ASTM D4629 0.47
Pour Point °C (°F) ASTM D5950 -47°C (-53°F)
Specific Gravity @ 60°F (15.6°C) ASTM D4052 0.8644
Sulfated Ash, wt. % ASTM D874 <0.001
Sulfur, wt. % ASTM D4951 0.07
TBN, mgKOH/g ASTM D2896 5
Total Acid Number, mgKOH/g ASTM D664 0.9
Total Metals (Ca, Mg, Zn), wt. % 0.0000
Viscosity @ 100°C cSt ASTM D445 6.15
Viscosity @ 40°C cSt ASTM D445 30.07
Viscosity Index ASTM D2270 159

Container/Bulk Availability

12/16oz Product Number - 60140
6/1 Quart Product Number - 00609
3/1 Gallon Product Number - 60136
55 Gallon Drum Product Number - 00614
Available in Bulk