Quicksilver TC-W3 premium blended oil for outboards that require the use of TC-W3 oil. The new standard for performance & protection. The lubricating oil with the most advanced composition for two-stroke outboard motors. Guarantees complete and effective lubrication of all internal engine parts. Keeps the engine cleaner - for better performance and longer life. Meets or exceeds the NMMA specifications TC-W, TC-WII and TC-W3.