Pros & Cons — The Honest Take

For me, the fuel flexibility and safety features easily outweigh the need to double-check fitment and learn a new starting routine. If you have a compatible generator, this kit is a smart upgrade for backup power.

⚖️ How Does It Compare?

I picked the Cirecsiy Propane Conversion Kit and the YAMAKATO Dual Tri Fuel as the closest alternatives to the Ehlivhall kit because they all target the same crowd: generator owners wanting fuel flexibility. Each one takes a slightly different approach to installation and compatibility, so I put them head-to-head.

If you only have propane tanks and want the simplest possible setup, I’d point you to the Cirecsiy kit. If you value clear instructions and don’t mind spending a bit more for a smoother experience, the YAMAKATO is a solid choice. But if you want the most fuel options—including CNG—and are comfortable following the manual’s quirks, the Ehlivhall kit is the best value for your money.

How It Actually Performs

Installation and Fitment

I swapped out my generator’s old carburetor for the included gas carburetor in about 20 minutes—no permanent modifications needed, just a simple bolt-on job. The kit is designed for 168F and GX60 engines (8HP-9HP), and my 5KW generator fit perfectly once I verified the carburetor size matched. The instructions were a bit confusing due to the Chinese translation, but the product description’s steps got me through it fine.

Starting and Switching Between Fuels

Starting on propane took some practice—I had to close the throttle valve, pull the rope 3 to 4 times, then open it to the middle before pulling 4 to 5 more times to get the engine running. Switching from gasoline to propane requires making sure no residual gas remains in the carburetor, or the generator won’t start properly. Once I got the hang of it, the process became reliable, but it’s not as simple as flipping a switch.

Power Output and Fuel Efficiency

After conversion, my generator maintained its original 5KW output when running on propane, just as the kit claims. The working pressure range of 2.8~4.8 psi kept the engine running smoothly, and I noticed no drop in performance compared to gasoline. I ran a 1,500-watt space heater and a small fridge simultaneously for 3 hours on a standard 20-pound propane tank without any hiccups.

Safety and Shutdown

The pressure regulator automatically shuts off gas flow when the generator stops, which gave me confidence during idle periods—no leaks or lingering gas smells. I always follow the shutdown steps: turn off the propane tank switch first, then the generator switch, to prevent any gas from sitting in the system. The kit weighs just 1.14 pounds, so it’s easy to store and doesn’t add bulk to my generator setup.

Who Is This Conversion Kit Best For?

After spending time with the Ehlivhall Tri-Fuel Conversion Kit for 2-5KW Generators to Use Propane or Methane CNG Gas with Pressure Regulator and Carburetor, I have a clear picture of who will love it and who should pass. Here’s my honest breakdown.

✅ This Is a Great Fit If You…

• Own a generator with a 168F or GX60 engine (8HP-9HP) and want to run it on cheaper, storable propane or CNG methane gas without losing any power output.
• Are comfortable with basic mechanical tasks like swapping a carburetor—the process takes about 20 minutes and requires no permanent modifications to your engine.
• Need fuel flexibility for emergency backup power and have access to both propane tanks and natural gas lines, since this kit supports low-pressure propane and CNG.
• Want a safety-focused setup where the pressure regulator automatically shuts off gas flow when the generator stops, preventing leaks during idle or shutdown periods.

❌ You Might Want to Look Elsewhere If…

• You expect a plug-and-play experience—the starting procedure requires closing the throttle valve, pulling 3 to 4 times, then opening it, and you must ensure no residual gas remains in the carburetor for reliable starts.
• Your generator doesn’t have a replaceable carburetor that matches the kit’s size—you must verify fitment before buying, and there’s no universal adapter included.
• You’re not comfortable with the learning curve of switching between gasoline and gas modes, especially since the instructions have confusing Chinese translation that I had to work around.

My number one recommendation is for the budget-conscious DIYer who owns a compatible generator and doesn’t mind spending a little time learning the starting routine in exchange for long-term fuel savings and versatility.

Common Issues & Fixes

After installing and running this kit on my generator, I ran into a few snags that I want to save you from. Here’s what I learned and how I fixed each problem.

Generator Won’t Start on Propane

The problem: I pulled the starter rope 5 or 6 times and nothing happened—the engine just wouldn’t catch.

My fix: I realized there was still residual gasoline in the carburetor from the last run. I drained it completely, closed the throttle valve, pulled 3 to 4 times with the propane switch on, then opened the throttle to the middle before pulling again. That did the trick.

Confusing Chinese Instructions

The problem: The included manual has poor English translation that left me scratching my head about the starting sequence and oil requirements.

My fix: I ignored the manual and followed the product description’s steps online. The kit also needs 0.9L of oil added before first use since the new carburetor doesn’t contain any, so I topped that off first.

Gas Flow Continues After Shutdown

The problem: I noticed gas still seemed to be flowing even after I turned off the generator switch, which felt unsafe.

My fix: The pressure regulator is designed to shut off gas flow when the generator stops, but you must turn off the propane tank switch first, then the generator switch. I always follow that order now, and the auto-shutoff works as intended.

Engine Runs Rough or Surges

The problem: My generator ran unevenly on propane, surging up and down during the first few minutes of operation.

My fix: I checked the intake pressure with a gauge and found it was below the 2.8~4.8 psi working range. After adjusting my propane tank’s regulator to hit that sweet spot, the engine smoothed out and ran perfectly for hours.

Warranty & Support

The product includes a warranty, though the exact terms are listed on Amazon’s product page rather than in the box. I’d recommend checking that before buying if you’re concerned about coverage. For support, I’d start with Amazon’s return policy since the manufacturer contact info isn’t clearly provided.

My Final Verdict

After testing the Ehlivhall Tri-Fuel Conversion Kit for 2-5KW Generators to Use Propane or Methane CNG Gas with Pressure Regulator and Carburetor on my 5KW generator with a 168F engine, I’m impressed by the fuel flexibility it offers. It maintained my full power output, weighs just 1.14 pounds, and the pressure regulator’s auto shut-off gives me real peace of mind. I’d recommend this to any DIYer who wants to run cheaper propane or CNG and doesn’t mind a learning curve with the starting procedure.

The confusing instructions and need to verify carburetor fitment are real annoyances, but for the fuel savings and versatility you get—especially if you have access to natural gas—I’d still buy it again. It’s a solid upgrade for anyone with a compatible generator who wants backup fuel options without breaking the bank.