Fuel Enzyme Treatment & Stabilizer – Multi-Engine Fuel Additive (16 fl oz)

Clean, Protect & Stabilize Your Fuel System for Peak Performance

The Fuel Enzyme Treatment & Stabilizer is a powerful, all-in-one fuel additive engineered to clean, protect, and optimize your motorcycle or powersports engine. Safe for all 2-stroke and 4-stroke gas engines, this advanced enzyme-based formula removes harmful gums, varnish, and carbon buildup from carburetors and injectors while improving overall performance and fuel economy. It also stabilizes gasoline for up to two years, prevents phase separation, and restores lost power in high-performance Harley-Davidson and off-road engines alike.

Key Features

• Safe for all 2-cycle and 4-cycle gas engines — ideal for Harley-Davidson, UTV, ATV, and watercraft

• Eliminates carbon, varnish, and gum deposits from injectors and carburetors

• Improves throttle response, fuel efficiency, and engine reliability

• Removes moisture to prevent phase separation in ethanol-blended fuels

• Stabilizes gasoline for up to 2 years for long-term storage or seasonal use

• Each ounce treats up to 16 gallons of fuel — highly efficient formula

• Cannot be overdosed — safe and easy to use for all gas-powered applications

Performance & Fitment

Perfect for Harley-Davidson touring and performance baggers, as well as UTV, ATV, snow, and watercraft engines, the Fuel Enzyme Treatment & Stabilizer ensures consistent performance and reliability across every ride. Whether maintaining your garage-built M8 or your off-road machine, this additive delivers smoother starts, improved combustion, and cleaner internals. Trusted by Nowaskey Performance and Hofmann Designs enthusiasts alike, it’s the ideal choice for riders who want to protect their investment and keep their machines running at their best year-round.

Container Size: 473 ml / 16 US fl oz
Type: Enzyme Fuel Additive
Application: 4-Stroke / 2-Stroke
Packaging: 12 per case (sold individually)
Units: Each
Weight: 1.01 lbs
Dimensions (L x W x H): 8.85" x 5.03" x 3.62"