STA-BIL Fast Fix Engine Treatment 4oz / 8oz

Fast Fix for Small Engines – Clean, Start, and Restore Performance

STA-BIL Fast Fix is the complete fuel system cleaner designed to solve common problems in small engines caused by ethanol-blended fuels. Whether your mower, trimmer, or snow thrower is hard to start, idling rough, or won’t run at all, Fast Fix restores performance quickly without the need to take your engine apart. This powerful formula removes water, clears out gum and varnish, and cleans carburettors and fuel injectors for smooth operation and easy starts.

Engineered by top fuel chemists, Fast Fix works on all types of small engines and helps eliminate issues caused by stale or contaminated petrol. It dissolves deposits in the fuel system and allows your equipment to start and run like new. Perfect for lawnmowers, ride-ons, weed eaters, snow blowers, and more, it’s the trusted solution for fixing fuel-related problems fast. Just add to your fuel, start the engine, and let it work—no disassembly required.

• Fixes rough-running or non-starting engines fast
• Cleans carburettors, fuel injectors, and entire fuel systems
• Removes water and dissolves gum and varnish buildup
• Compatible with all small engines and ethanol-blended fuels
• Prevents the need for costly repairs or teardown
• Ideal for mowers, trimmers, snow throwers, and more