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AMSOIL Gasoline Stabilizer AST

AMSOIL Gasoline Stabilizer

Product Code: AST

Premium fuel stabilizer that keeps gasoline fresh for up to 12 months. Prevents fuel degradation, varnish, and gum formation during storage. Protects against corrosion and ethanol-related issues. Essential for seasonal riders who store their bikes over winter or between riding seasons.

Benefits: Keeps fuel fresh for 12 months, prevents varnish and gum formation, protects against corrosion, combats ethanol issues, ensures easy starting after storage, maintains fuel system cleanliness.

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Why Use AMSOIL Gasoline Stabilizer

📅 12-Month Protection

Keeps gasoline fresh and usable for up to 12 months. No more draining carburetors or dealing with stale fuel after storage.

🛡ī¸ Prevents Varnish

Stops fuel from breaking down into varnish and gum that clogs carburetors, injectors, and fuel passages.

💧 Corrosion Protection

Protects fuel system components from rust and corrosion caused by moisture and ethanol-blended fuels.

â›Ŋ Ethanol Defense

Combats negative effects of ethanol including phase separation, moisture absorption, and component damage.

🚀 Easy Starting

Ensures easy starting after long storage periods. No more frustrating carburetor cleaning sessions.

💰 Save Money

Prevents costly fuel system repairs and cleaning. One bottle treats multiple tanks of fuel.

Purchase Options

Best Value
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Preferred Customer

Wholesale pricing with 25% discount

  • ✓ 25% off retail pricing
  • ✓ Free shipping on orders $100+
  • ✓ No minimum order requirements
  • ✓ Auto-ship discounts available
  • ✓ 15% off first order
$15

/ 6 months

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Retail Purchase

Standard retail pricing

Standard retail pricing for one-time or occasional purchases. No registration or commitment required. Perfect for trying AMSOIL products or buying specific items as needed.

  • ✓ No registration required
  • ✓ Order anytime
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Commercial Account

For fleets and businesses

Business purchase option for fleets and commercial operations. Ideal for construction companies, farms, government fleets, and equipment managers who need bulk pricing and dedicated support.

  • ✓ Volume pricing
  • ✓ Dedicated support
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Retail Store Account

Sell AMSOIL in your store

  • ✓ Stock products on your shelves
  • ✓ Retail markup pricing
  • ✓ Marketing materials provided
  • ✓ Ideal for powersports shops
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Dealership Option

Become an AMSOIL Dealer

  • ✓ Wholesale pricing
  • ✓ Earn commissions
$100

/ year

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Secure Payment

We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.

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Easy Returns

We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price.

View full AMSOIL Return Policy

Rider Testimonials

See what dirt bike riders are saying about AMSOIL Gasoline Stabilizer.

"Used to drain my carb every winter. Started using AST and my bike fires right up in spring. No more carb cleaning, no more stale fuel headaches. Game changer."

— Scott W., Seasonal Rider

"I have multiple bikes and can't ride them all every week. AST keeps all my fuel fresh. No more starting issues or fuel system problems. Worth every penny."

— Brian H., Multi-Bike Owner

"Run a rental fleet and fuel stability is critical. AST has eliminated our carburetor cleaning bills. Bikes start reliably even after sitting for weeks."

— Tom R., Rental Business Owner

Frequently Asked Questions

Common questions about AMSOIL Gasoline Stabilizer.

How long does AST keep fuel fresh?

AMSOIL Gasoline Stabilizer keeps fuel fresh and usable for up to 12 months when used as directed.

How much fuel does one bottle treat?

One 8 oz bottle of AST treats up to 8 gallons of fuel. Mix at a ratio of 1 oz per gallon.

Should I add AST before or after storage?

Add AST to fresh fuel before storage. Run the engine for a few minutes to circulate treated fuel through the entire fuel system.

Does AST work with ethanol-blended fuel?

Yes, AST is especially beneficial with ethanol-blended fuels. It helps prevent phase separation and protects against ethanol-related corrosion.

Can I use AST year-round?

Yes, AST can be used year-round. Many riders add it to every tank for ongoing fuel system protection and cleanliness.

Need help with storage preparation?

Call or text us at (763) 213-9163 or use the AMSOIL product lookup tool. We'll help you prepare your bike for storage.

Questions? We're Here to Help

Call or Text: (763) 213-9163

Email: amsoilsyntheticoilproducts@gmail.com

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What Our Customers Say

Read real reviews from dirt bike riders who trust AMSOIL for their off-road motorcycles

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