STARBRITE OUTBOARD OIL Starbrite's premium 2 Cycle Engine Oil TCW3 is engineered for all makes and models of outboard engines and personal watercraft. It is formulated to be ashless, clean burning, environmentally friendly lubrication that provides superior protection at high stress loads and maximum operating temperatures. Special blended additives help prevent piston seizing, carbon deposits, gumming and scuffing. Meets National Marine Manufactures Association (NMMA) specifications.