Mercury 8M0047931 QUICKLEEN Fuel Treatment 355ml

Quickleen is a fast-acting fuel system cleaner designed to break down carbon build-up throughout your engine. It cleans carburetors and injectors, intake valves, spark plugs, piston crowns, and cylinder heads.

Helps prevent engine knock and piston seizure while extending spark plug life for more reliable performance.

Use Quickleen regularly throughout the boating season to keep your engine running clean and efficient.