Quicksilver 2-Stroke Engine Oil 1 Gallon — TC-W3 Ashless Dispersant, Low Smoke

Built to Mercury Marine OEM standards, this Quicksilver conventional 2-stroke oil is an ashless dispersement formula designed for total-loss engines where oil is mixed with fuel or injected and burns in the combustion process. It focuses on deposit control, rust prevention and reduced exhaust smoke across a wide temperature range, making it suitable for recreational boating, personal watercraft and many powersports applications.

How does this oil protect two-stroke outboards and PWCs?

Quicksilver Premium TC-W3 reduces harmful deposits that form in the combustion chamber, intake and exhaust passages. Its ashless dispersement chemistry helps keep spark plugs cleaner and rings freer-moving, which supports better combustion and more consistent performance.

• Ashless dispersement reduces carbon and lacquer buildup
• Corrosion inhibitors protect metal surfaces in fuel-rich environments
• Meets NMMA TC-W3 requirements for marine two-stroke engines
• Recommended for premix use in lower-horsepower, carbureted engines

Will this oil work in cold-weather conditions?

Yes — the formula is rated for use down to -13°F (-25°C), so it maintains adequate flow and protective properties during colder starts and seasonal use. That cold-range performance helps ensure proper lubrication during launch, winter storage tasks and early-season operation.

• All-weather formulation for subfreezing starts
• Consistent flow characteristics for reliable premix ratios
• Reduces cold-start wear in two-stroke designs

Is this compatible with Mercury and other OEM outboards?

Quicksilver Premium TC-W3 is produced to meet Mercury Marine original equipment manufacturer specifications but is also suitable for many other outboards, PWCs and small two-stroke engines. Always check your engine manufacturer’s recommendations and approved oil list when possible.

• Produced to Mercury Marine OEM standards
• Recommended for many carbureted and premix two-stroke engines
• Works across a wide range of marine and powersports brands

What practical benefits can I expect after switching to this oil?

Users typically notice reduced visible exhaust smoke and fewer carbon-related fouling issues at spark plugs or exhaust ports. Over time, the oil’s dispersant and anti-corrosion additives help keep internal components cleaner, which supports easier maintenance and more reliable starts.

• Lower exhaust smoke and cleaner combustion
• Fewer spark plug fouling events and sticking rings
• Better protection against rust in intake and exhaust passages

Who is this for: Boaters, PWC riders, snowmobile owners and powersports enthusiasts who run two-stroke, total-loss lubrication engines and want a factory-aligned conventional oil that balances deposit control, corrosion protection and cold-weather usability. It's especially useful for owners of Mercury and Mariner outboards, as well as anyone seeking a trusted OEM-grade 2-stroke oil for premix or compatible injection systems.