lawnmowers is this good to keep the system clean while using it and not just when storing it?

I've been using it in all the fuels for my mower, 2-stroke mixes, and my motorcycle and all three have been surprisingly clean, especially the two stroke motors.

Is this to be used prior to an oil change?

If it's like 500 miles before an oil change, that's OK. You can also use after an oil change, but TECHRON recommends NOT to use more than twice during a new oil change. I use during the last 500 miles (whole bottle) on near empty tank & run the car until the reserve light comes on. Been using this for at least 20 years. If the car runs rough, you can pour in a bottle twice, like every 2,500 miles, or repeat the process, whichever you want to do. For best results, try & do as much highway driving after pouring in & make sure to drive at least 5-10 miles to get it up in the lines & all before turning the engine off. Since you're going to be at the gas station & pouring in before refilling the tank, this is a good time. Good Luck!

What is the ratio of additive to fuel? Can it be used in nonethanol fuel?

1 oz per 10 gallons. It can be used in nonethanol fuel.

Can you reseal the 20 oz bottle and use the rest later?

You can't physically reseal the paper tab, but yes you can screw the cap back on & it will keep it sealed for later use. However, this will not guarantee the same 5 year shelf life.

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Chevron Techron High Mileage Fuel System Cleaner, 12 oz, Pack of 1

Product ID: 253189739

⛽Restores lost power & performance

📈Maximizes fuel economy up to 21 gallons

🛡️Protects fuel system from corrosion

€ 28.99

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Description

⛽ Keep your engine young, no matter the miles!

TRUSTED BY THE PROS - Top-ranked cleaner with 4.7-star rating and Chevron quality
UNIVERSAL COMPATIBILITY - Safe for all gasoline & ethanol blends including hybrids
CORROSION DEFENSE SHIELD - Multi-metal protection guards vital engine parts
FUEL EFFICIENCY MAXIMIZER - Keeps fuel system pristine to stretch every gallon
POWER BOOST FOR HIGH MILEAGE - Eradicates gum & varnish to revive engine strength

Techron High Mileage Fuel System Cleaner is a premium 12 oz formula designed to restore power, improve fuel economy, and protect fuel system components from corrosion in vehicles with over 75,000 miles. Compatible with all gasoline and ethanol blends, it treats up to 21 gallons per bottle and is trusted by professionals for maintaining peak engine performance.

Specifications

ASIN	B086FJV5J8
Best Sellers Rank	#435 in Automotive ( See Top 100 in Automotive ) #3 in Fuel System Cleaners
Brand	Chevron
Customer Reviews	4.7 4.7 out of 5 stars (2,060)
Date First Available	March 26, 2020
Item Weight	12 ounces
Item model number	266711163
Manufacturer	Chevron
Manufacturer Part Number	266711163
Model	Techron High Mileage Fuel System Cleaner
Product Dimensions	3.16 x 2.66 x 8.9 inches

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€ 28.99

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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