Model # 2-024-1

Internet #204331519

Mechanic in a Bottle 24 oz. Synthetic Fuel Additive
0856202002751

Mechanic in a Bottle

24 oz. Synthetic Fuel Additive

  • Works with 2- and 4-cycle engines
  • Revitalizes old fuel
  • EPA-registered
$2173 /each

Frequently Bought Together

Product Overview

Fix poor or non-running engines with the 24 oz. Synthetic Fuel Additive. It works in your power equipment with 2- and 4-cycle engines. It removes all varnish in the fuel system without having to take out the carburetor. It removes carbon deposits and water, reconditions rubber and plastic components and revitalizes old fuel. Use this additive to rejuvenate your equipment's fuel system so it starts efficiently and operates in top condition.

  • Treats up to 24 engines, 2- or 4-cycle
  • Lets you quickly fix engines without removing the carburetor, avoiding costly repairs
  • Reconditions rubber and plastic components and rejuvenates rubber gaskets that may have dried out from ethanol to keep the engine in top working condition, avoiding repairs and downtime
  • Removes water that causes corrosion and poor running
  • Restores old, decayed fuel by breaking down carbon deposits and adding an octane booster to replace lost octane
  • EPA-registered

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Customer Questions & Answers

Can I use your products on outboard boat engines?

Asked by: Lake18
yes as long as there is a carburetor
Answered by: bill
Date published: 2017-02-14

Should i empty the fuel ?

I am planning to use it in snow blower, should I empty the fuel tank or should I add with the fuel?
Asked by: John
yes,empty all the old fuel
Answered by: bill
Date published: 2017-02-14
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Customer Reviews

24 oz. Synthetic Fuel Additive is rated 4.4 out of 5 by 33.
Rated 2 out of 5 by from it didn't work for me. the carburetor o rings and gaskets were almost disintegrated. i had to buy... it didn't work for me. the carburetor o rings and gaskets were almost disintegrated. i had to buy and install a new carburetor. did the work myself. now it works great again.
Date published: 2017-02-14
Rated 5 out of 5 by from Great Product A wonderful antidote for all of the woes caused by ethanol!
Date published: 2017-02-09
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2017-04-04
Rated 5 out of 5 by from none better than mechanic in a bottle none better than mechanic in a bottle
Date published: 2017-05-16
Rated 5 out of 5 by from It works - but can take time It works - but can take time
Date published: 2017-05-24
Rated 4 out of 5 by from I used this and took time to experiment as far as the Shade Tree Lab allows. So far looks pretty... I used this and took time to experiment as far as the Shade Tree Lab allows. So far looks pretty good. My conclusions: On the car with performance Cam Shaft, I did see improvement of leakage from the carburetor just by adding the product. In the gas tank and a concentrated dose funneled in through the bowl vents. Just a little very sparingly. Given 24 to 30 hrs, the typically leaky when old, Holley accelerator pump, rate of leakage appeared to be slowed at least by half. The other classic car with a much larger and smoother idling engine began running a little rough after adding a few gallons of Fresh E10 gasoline. With a measuring cup and funnel I estimated the dose equating one once of product per gallon of fresh gas as labeling directs. Shook the car pushing on the rear fender swaying it to mix the gas. I let it sit a day and the next start was much easier and back to running like a sewing machine. Some laboratory setting videoed results would be helpful to compare with my findings. Many products of this nature are ineffective, this is one of two I know of reputed to help recondition components harmed by Ethanol with real results. I believe "it works". I think generally, various products may be well suited for differing circumstances and perhaps combined with this one. I consider Mechanic in a Bottle a better one to include in the process. I'm not surprised at my noteworthy observation because this product was stated as for reconstituting carburetion parts in small engine equipment, the most devastated by Ethanol. In conclusion, in the case of classic vehicles and really any machinery adversely effected by E10 Fuel, the complete proper fix is to replace all parts with newly produced parts designed to hold up to Ethanol. "Rubber" lines, filters, pumps and carburetors to name the obvious. Also parts in the tank, fuel pickups and gauge float mechanisms and earlier electric pumps. When that's all done a product such as this should be kept in a full tank when your special use vehicle is sitting, awaiting future exciting days on the road ! Happy Trails.
Date published: 2017-03-03
Rated 5 out of 5 by from Small engine shop We use this product in our heated ultra sonic cleaning machine for internal cleaning of all 2-cycle engine carburetors. First clean the exterior surfaces of the carburetor in your parts washer. Disassemble the carburetor. No need to remove the welsh plugs. Use "Mechanic In A Bottle" full strength in your ultra sonic machine heated to 110 degrees F for 20 to 25 minutes. Re-assemble the carburetor. In most cases the metering valve, the fuel pump and their gaskets will not need replacing unless they are damaged. We have experienced a 98% success rate using the above method for cleaning hand held equipment carburetors! The MIB can be re-used for numerious cleanings.
Date published: 2014-01-24
Rated 5 out of 5 by from The only thing I can say is that this stuff works! I am amazed! It saved me from replacing/rebuilding the carburetor. I had a 23 year old snowblower that sat with gas in it for 9 years. It would only start if I kept pressing the primer bulb and kept it in full choke. I dumped out most of the fuel, and added 4 oz of MIB to the tank so that it was about 10oz of fuel/MIB mixed. I started it and ran for 10 minutes (while pressing the primer bulb to keep the engine running on full choke) to get the mixture deep into the carburetor. I then let it sit for a week. After one week I restarted it and it got progressively better to the point it runs without the choke on at all. This saved me from replacing or rebuilding the carburetor. I didn't think it would work, but it did! Great product!
Date published: 2015-03-27
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