Mechanic in a Bottle

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Proudly Serving Austin Since 1988
Hours Mon-Fri 8am-5:30pm & Saturday 9am-5pm

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Fix the Unfixable™

Synthetic based Fuel System Rejuvenator

Varnished carburetor? Fuel gone bad? Water in the tank & carburetor causing corrosion from ethanol? “FIX THE UNFIXABLE” Mechanic In A Bottle removes all varnish in the fuel system without having to remove the carburetor from the machine. Add to your gasoline and you will be able to clean varnish and carbon from the fuel tank to the tailpipe.

Benefits of using Mechanic in a Bottle in your repair shop:

Restore old fuel by separating the hydrocarbon chains that have bonded together since the fuel has deteriorated. An octane booster is added to replace the lost octane in the decayed fuel. We do not use any metals in our formula to increase the octane.

Remove carbon deposits from combustion chamber components including the combustion chamber it self as well as piston(s), rings and valves.

Dual lubricants that condition the rubber and plastic components, they also rejuvenate rubber gaskets and seals that may have been dried out from ethanol. After the lubricants are burned in the combustion chamber a synthetic lubricant is left lubricating the entire upper combustion chamber such as piston rings and valves.

Heavily varnished fuels system part from chipper before and after treatment with Mechanic in a Bottle

Usage Directions

Poor Running Engine:
Mix 2 ounces of Mechanic In A Bottle (MIB) to 1 gallon of fresh gasoline. Start engine and run for at least 10 minutes. Let engine stand for at least 8 hours before restarting. Continue use of mixed MIB fuel until gone. Use Ethanol Shield all the time to prevent fuel related problems.

NOTE: This is a fuel additive not a replacement for 2-cycle oil; continue to add oil as recommended by the manufacturer of the engine.

Non Running Engine:
Add 4 ounces of Mechanic In A Bottle (MIB) into an empty fuel tank and prime the MIB through the fuel system into the carburetor. Wait at least 8 hours before draining contaminated MIB from the fuel system and adding fresh fuel mixed 2 ounces MIB to 1 gallon of fresh gasoline. For severely contaminated fuel systems, let stand overnight or repeat if necessary.

Maintenance: Mix 1 ounce of MIB to 5 gallons of gasoline.

NOTE: This is a fuel additive not a replacement for 2-cycle oil; continue to add oil as recommended by the manufacturer of the engine.

No detrimental effects if overdosed.

Mechanic In A Bottle & Ethanol Shield are registered with the EPA and are recommended by B3C Fuel Solutions for use non-road gasoline engines and in all automotive / motorcycle applications.