Ratings & Reviews for Mechanic In A Bottle 8-oz 2-cycle or 4-cycle engines Fuel Additive
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this fuel treatment for reviving small engines that wouldn't start after storage or fuel degradation. Most report engines firing up instantly after just a few pulls, with many avoiding costly carburetor cleaning or replacement. Reviewers consistently describe improved smoothness, full power restoration, and sustained performance. Several use it as preventive maintenance for seasonal equipment. A small number report no improvement, typically involving severe mechanical damage or improper application. Overall, customers strongly recommend it as a practical, cost-effective solution for engine maintenance.
Customer review summary generated by AI, including incentivized reviews.It worked
Would RecommendMy riding mover actually ran smoother. It did what it was purchased for. Have to pass some time before a more detailed review can be given.
Verified Purchaser
Star product.
Works on gas and diesel.
Verified Purchaser
It really Works!
Would RecommendI have used this before and it works, if you follow directions. I had gotten behind on my yearly genset fire-up and run...not since 2022. I needed it to start before I loaned it to the Helena damage area. I pulled the fuel line and filled the carb with the mix and let it set for a day. Then I put some mix, (as directed) in the tank and pulled...got a fire-up and die. I pulled again, not many left for a guy in his 80s, with a 10HP manual start, and it fired up and ran like new with an1800W l...
Verified Purchaser
Effective small engine preventive maintenance
Would RecommendGreat to keep small engines at their best
Verified Purchaser
Don’t waste your money
Does not work
Verified Purchaser
Just Like New
My 10-year old Craftsman is purring like it was brand new. Only used one ounce. I was very surprised.
Verified Purchaser
Dot not recommend
Would Not RecommendNothing lawnmower still will not stay running. Left gas in mower last season was hoping this would clean out the carb, no luck.
Verified Purchaser
Fresh fuel
Would Recommendkeeps your fuel fresh
Verified Purchaser
Worth the money
Would RecommendThis product really works
Verified Purchaser
Highly recommend
Would RecommendIt worked to stop my riding lawn mower from surging at a low rpm when the mower deck was not engaged. Accidently put bad gas in the tank and after running it for a short while before I noticed my error the engine would surge unless the mower deck was engaged. Tried several other products that I have used to clean the carb but none worked. Added this bottle to one gallon of gas and in less than 10 minutes after cranking the engine and letting is just sit there the surge was gone and the engine wa...
Verified Purchaser
Best product I have found for small engines.
Would RecommendI have used this product for years it works great for engines that are not used all year long!
Verified Purchaser
Worked great
Worked great
Verified Purchaser
mech in bottle
Would Recommendthis work great, smooths out rough running engines
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