My pressure washer is leaking gas as soon as I filled the tank. Every season I expect not to be able to start my Troy-Bilt pressure washer because of issues as a result of old gas and corrosion of the carburetor. I was prepared to make the fix that I do every season, which is to clean the ports in the bowl nut. All I wanted to do was clean my driveway with a new pressure washer surface cleaner I purchased.
My Decision to Repair
As you can see in the video it was leaking by the carburetor. My guess is that the o-ring gasket around the bowl or the small gasket around the bowl nut failed. Rather than investigate that issue I decided to purchase a replacement carburetor. I had already removed the original carburetor in preparation for this.
Time to Replace the Carburetor
The carburetor was easy to remove with the exception of the bolts. I could not get a socket on the bolt but I was able to use a Torx bit to remove the carburetor bolts. One suggestion I have is to take several photos of the carburetor at various angles so you can visually double-check where all linkages and springs connect.
Replacement Carburetor
To purchase this replacement carburetor as well as other Briggs & Stratton small engine parts visit
To purchase tools and accessories for small engine repair visit
- Pro Chaser Carburetor Compatible with Briggs and Stratton 591137 591597 216852 590780 593380
- Pro Chaser Carburetor fits 110P02-0018-F1 110P05-0002-F1 110P02-0003-F1 110P02-0003-F4 122S02-0153-H1 122R02-0008-F1 121R02 0001 F1 121R02 0002 F1 120P02 0001 F1 121P02 0001 F1 121S02-0011-F1 110P02 0003 F1 110P02 0003 F4 111P02 0113 F1 111P02 0114 F1
- Pro Chaser Carburetor fits Troy-Bilt 850 ex 190cc Model 120P02-0001-F1 Pressure Washer & Troy-Bilt Model 020568 020676 with 14-0715-56-46951
Amazon.com Price last update on 2026-11-08 - Details(This link opens in a new window)
Once I installed the carburetor and put a little gas in the tank it started right up after a few pull starts. You’ll see in this video Pressure Washing is so Easy with this Surface Cleaner that I successfully cleaned my driveway with the new pressure washer surface cleaner.
Savings and Empowerment
Other than my time to diagnose and replace the carburetor I only incurred the cost of a replacement carburetor. A repair bill by a professional small engine repair shop might be $100 or more depending upon your region. I thank my neighbor Joe who helped me build up my confidence enough to tackle small engine repair. Once you understand the inner workings of the small engine it is a rewarding process to fix your own equipment. If you are not comfortable at least you have an appreciation for what a professional would endure to resolve your issue.
Video Chapters
0:00 Pressure washer is leaking gas(opens video in a new window on YouTube at the specified time)
1:00 Removing air filter housing(opens video in a new window on YouTube at the specified time)
1:25 Inspecting and removing the carburetor(opens video in a new window on YouTube at the specified time)
2:44 Unboxing new briggs and stratton carburetor(opens video in a new window on YouTube at the specified time)
4:18 Installation of new carburetor(opens video in a new window on YouTube at the specified time)
7:19 Connecting fuel supply line to carburetor(opens video in a new window on YouTube at the specified time)
7:40 Installing air filter assembly(opens video in a new window on YouTube at the specified time)
8:28 Attempting to start(opens video in a new window on YouTube at the specified time)
9:03 Mrs U Do It pressure washing the driveway(opens video in a new window on YouTube at the specified time)
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Video Credits:
Video Production: U Do It™️ Studios a Division of No Cheese Records® LLC All Rights Reserved.
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