Star Tron Enzyme Fuel Treatment - Small Engine Formula – Gas Additive Rejuvenates & Stabilizes Old Gasoline - Cures & Prevents Ethanol Problems

What It Is

Star Tron Enzyme Fuel Treatment is a gasoline additive designed for small engines (lawn mowers, trimmers, chainsaws, generators). It uses enzymes to break down ethanol-related deposits, stabilize old fuel, and rejuvenate stale gasoline for easier starts and smoother operation.

Fitment & Compatibility

• Engine types: Works with any 2-cycle or 4-cycle small engine (gasoline only – not for diesel).
• Fuel types: Compatible with all gasoline blends, including E10 and E15 ethanol fuels.
• No model-specific fitment: Universal additive – no need to match mower brand, deck size, or OEM part numbers.
• Check before buying: Ensure you have a gasoline engine (not electric or diesel). Use the dosing chart on the bottle – typically 1 oz per 5 gallons of fuel. For small tanks (1–2 gallons), you’ll need a measuring syringe or dropper.

Key Things to Know

• Quality: High rating (4.7/5) and trusted for ethanol phase separation prevention. Works best when added to fresh fuel, but also treats old gas (up to 2 years old).
• Installation difficulty: Trivial – just pour into the fuel tank or mix with gas in a can. No tools or disassembly required.
• Common gotchas:
  • Overdosing won’t harm the engine but wastes product – stick to the recommended ratio.
  • Not a substitute for draining fuel if the mower sits for 6+ months – use it as a stabilizer, not a magic fix for completely gummed-up carburetors.
  • Works gradually on old fuel (let it sit in the tank for 15–30 minutes before starting).

Should You Buy It

Buy this if you use ethanol-blended gas in your mower, frequently deal with hard starts after storage, or want to extend the life of old fuel without draining the tank. It’s a low-cost, no-fuss solution for anyone who stores small engines for weeks or months. Skip it if you only use ethanol-free gas or always drain fuel completely between uses.