Phillips 66® Synjex 2-Cycle Motor Oil is a premium quality, full-synthetic, ashless engine oil designed for use in high-performance water-cooled 2-stroke cycle engines, and in most air-cooled 2-stroke cycle engines. It is particularly recommended for use in equipment operating at very low ambient temperatures. It is suitable for use for TC-W3 applications, and also meets API TC and JASO FB performance requirements for use in air-cooled 2-stroke cycle engines. It may be used in either direct injection (DI) or premix engines