Carburetor Dual Fuel Carb Conversion Kits Replacemant for Tonco Generator GX200 170F 170G-GX200

Install was easy. Dimensionally it's the same as the carb that was on my Wen 56352 3500w generator. In my driveway it took me about 20 minutes to swap carbs. What took the longest was missing two steps. I installed the new one and forgot to hook the gas fuel hose up, so I had to take the air box back off as you can't reach behind it to attach it. Then I forgot to put the choke lever on, so off the airbox had to come again. I reused the choke lever from the old carb, but they are identical. On gas it fired up immediately, set to half choke and it was running smoothly, 30 seconds later I set it to no choke and it was running smoothly. Unlike the old one where it was not idling properly anymore. I am guessing the old carb, the diaphragm may have needed replacing or intensive cleaning. It was 8 years old, and other than running it out of gas each use, I never drained the carb completely and it had the same tank of gas in the generator for the last 3 or 4 years. 31 total hours on the generator mostly run up to make sure it works, and for welding/plasma cutting when I am not working in my garage where I have access to an outlet where I don't have to run an extension cord as well as 240v hookup for the plasma cutter. I drained and put about a quart of fresh gas in, but still running issues.Anyway, this Zreneyfex carb fired up on the first pull and was running like a camp. Running it on propane, I shutoff the gas, ran it out of gas from the fuel lines, and then opened the gas drain port to let the last quarter ounce of gas out of the carb and then shut it. I hooked up the propane line. You need a LOW pressure propane regulator. NOT an adjustable one. The adjustable ones are generally 0-20 or 0-30. Some are lower like 0-5psi. You want a 11" WC regulator. That is ~.35psi. As in about a third of a PSI. That is what is standard for a gas grill. A 1psi regulator might work, but it is probably still too high pressure. Its real, real hard to get a 0-20psi regulator to output just a third of a psi...The barb is, I think, 3/8" for propane/natural gas. I got a regulator with 5' of hose and just cut the compression fitting off the end. It took a lot of work getting the hose over the barb, but it does fit given a few minutes of wiggling and pushing and then a worm clamp to hold it tight. It fired up on the second pull. Just a two second burb on the purge valve of the propane body. on the carb, two pulls, and it was running. It runs noticeably, though only slightly, quieter on propane. I didn't push it to the max, just the same 1000w space heater I tested the generator with on gas, but it handles it fine. Something I did notice is it runs slightly slower on propane than gas. I'd think that should make no difference, but my electrical tester showed 60.5hz no load idle on gas and 59.95hz with a 1000w load. On propane it had a 60.6hz no load idle, but 59.7hz with a 1000w load. So I tweaked the governor set screw just a hair to get it running at load of 59.9hz on propane. It didn't change the no load idle and gas it went up only .1hz no load and under load. The generator doesn't have the cleanest output anyway, but it'll get it closer to ideal frequency, even if it is a messy frequency.This generator is my backup to my main generator and for portable power. It'll be nice to be able to run it on propane to keep the carb clean (with the option for gas if I really need it), less emissions (yay for the planet, but mostly care about me breathing it in), and just a little quieter working next to the thing welding and cutting. I have a 6500w Westinghouse that works fantastic, with cleaner power, still not all that clean, but cleaner enough that half my UPS aren't going back and forth between generator power and isolated every few seconds. Only my most sensitive UPS will jump to isolation on the Westinghouse, but only once a big load hits the generator for a few seconds. A nice option to run the house overnight, when the load is less, in the wintertime when I don't have the option to not have the heat running for 8-10hrs. That Westinghouse is pretty efficient, but it IS still a 212cc vs 274cc engine and for the same load, within the capability of the engine to produce the power, it'll be at least a little more efficient at the same load. And now I can do that on propane. I keep a couple of 30# tanks in my shed in case I need it, not including the couple of 20# bottles I have for the grill and brewing. So its 2-3 days of propane before needing to fill the bottles or use the gas cans.

I bought this to upgrade my Coleman powermate 3250 to dual fuel. I was hessitant at first, as this part has very little description, or details as to whether it would fit my carb bolt spacing. Its low price compared to other offerings which basically add a throttle body spacer and a huge external regulator (more on that in a bit) . some of those kits require you cut your frame for clearance! That was a no go for me. This one was the same thickness as the original (as measured from flange to flange)Installation was quick, though your efforts may vary, depending on how good the other parts like springs are. Make sure fuel supply is shut off. Run generator until it stops to use up residual gas. Remove the air filter cover, remove the filter. Its a good time to wash/replace if you have some hours on it. Disconnect the crank case tube. get a 10mm socket, and what ever extentions, or swivels you need to work around your frame. On the Coleman powermate 3250, a 3" extension worked well for me. slowly pull the air filter housing forward, while holding the carb back. if your gasket is worn, or damaged, there are some in the kit. Just match it up to the existing holes, as more than 1 type of gasket is included, and you will need a gasket on both sides of the new carb.Remove filter housing. Reach on top, and take a good look around (and some pics) . there will be some governor linkage and a spring. This may be a little different for your generator, but for most generators, you will have to push against the end of that linkage to move it so that the linkage can be disconnect. the spring should pop off easily. if your spring is rusty, it may snap, so be gentle.Put some rags and some cardboard down under the carb. Disconnect the fuel line from the carb. some gas may leak out, but if you followed the steps above, you should get almost nothing. Then pull the carb away from the rest of the intake, and slide off. It could be a little stuck, so it may require a little persuasion to break the initial seal.Ensure there is no prior gasket material left on the intake (i.e. whats left on the engine side after you remove the old carb) and on the air filter housing. Be sure to match up the right replacement gaskets.Look at your old carb and the replacement carb. make sure all the holes line up, and its the right size. Test fit the new choke handle.Installation is really just the reverse. Gasket, carb, hook up spring and cable, choke handle, original gas fuel line, another gasket, then the air filter housing, then install the 2 nuts. Then its the final steps, air filter and air filter housing. then replace the breather tube.Turn back on the fuel, wait a min for the carb bowl to fill up. Turn on the choke, then give the rope a pull. Let it run for a few minutes to see if any fine tuning is needed.With the engine running, use the fuel stop and cut the fuel. let the engine die.you are now ready to test the propane..... or is it natural gas?Here is where things get tricky. The little adjuster has both settings. however there is only one pressure plate. there is a button in the middle of the plate which is for purging air from the lines. if your using propane, you cannot go direct from tank. This little regulator will just open up and vent because the pressure is too high. You must use the standard bbq grill type low pressure regulator to get it down low enough for this regulator to function. If your using propane in your home already, you could tee off the low pressure side, but you may want to consult a qualified plumber for that.if your teeing to the natural gas side of things, anything after the meter should be around 1/4 psi. you should not need any additional regulators.there is a little plastic stick. thats like your fuel adjustment. the knob changes flow for cng or lpg.notes: mine came with zero instructions. maybe its liability reasons, maybe you shouldn't be playing with this if your not at least a tad bit handy.you must also not run the generator with both gas and propane at the same time. its important to shut off the gas and run dry, before switching to propane. bad things may happen if you don't.Overall I like this one much better than a throttle plate design. it doesnt increase size and thus the air filter stays in the same position as it was before, unlike some other kits.

My old carb was a gummy mess. I spent a bit more to get this dual fuel carb and I'm happy I did. There were no instructions, but taking photos during removal of the old carb combined with online videos the installation was pretty easy. Ran it on propane right away and it works great. Haven't tried gas yet and may never do so as long as I have enough propane . Gas is the backup power source now

This worked great to convert my Honda GX200 gasoline engine to propane. The engine is for an emergency firefighting water pump, so now I don't have to fuss with keeping fresh gasoline always ready, or draining the engine every time I test it. I bought an adjustable regulator hose based on reviews that getting the propane flow right was tricky, but that didn't work so then I bought a simple low-pressure regulatory for a gas grill, cut off the brass fitting, and installed it with a hose clamp. The engine fires right up after priming with propane (pressing the button on the carb) and runs great using a standard 20 lb propane tank. Some reported lower power running on propane vs. gasoline, but I can't tell the difference in terms of water flow from the 1.5" fire hose it supplies. I keep many propane tanks around the house for grills and firepits, so this is way more convenient than running off gasoline.