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Old 01-14-2016, 03:53 PM   #1
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LP Conversion for Portable Generators

I have a pair of Yahama 2000is. Am considering conversion to LP to run from the trailers LP supply. Any suggestions from the group on which conversion kit to use and any complications of installation? Also is there any impact on generator output when it runs on LP?
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Old 01-14-2016, 05:01 PM   #2
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US Carb has been doing this for quite some time. They fairly recently developed a new, very simple system / conversion kit. I bought one about a month ago but haven't had the time to install it, so I can't give any feed back on function.
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Old 01-14-2016, 05:32 PM   #3
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Keep us updated MarkR as I plan to purchase a couple Yamaha 2000 gens & eliminating the gas can is a plus.
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Old 01-14-2016, 07:35 PM   #4
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I converted my Honda generators to LP the day I purchased them and haven't looked back since. It's a good decision.
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Old 01-14-2016, 09:26 PM   #5
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I have twin Yamaha 2000's with the propane conversion from US Carb. I'm very happy with the conversion and their service.
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Old 01-15-2016, 02:10 PM   #6
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Like tkb2041 above, I converted two brand new Honda 2000s to LP and they have never seen a drop of gasoline. Dreams of reliability, safety and convenience drove me to that decision and it has been everything I hoped for.

I used the propanecarbs.com kits. Install was easy. Setup and tuning easy also. Performance in practice has been perfect. They sell Yamaha kits also.

There are many threads on this subject in Airforums. Use google (lp generator conversion airforums) to supply yourself with boundless info from the community.
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Old 01-15-2016, 03:22 PM   #7
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In theory the electrical output will be slightly less on propane because there are less BTU's in propane than in gasoline. I don't know if you will notice this in actual use unless you are really pushing the limits of the generator. I think propane is a better fuel overall considering that it's hard to find gasoline without ethanol in it. It seems like the gasohol blends cause problems when letting small engines sit for long periods. Leland
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Old 01-15-2016, 04:33 PM   #8
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How far away from the trailer can you put the generator? Do you have to unhook one of the propane tanks and hookup the generator to that tank? Did you convert the generator from gas to propane or did the company that sold you the generator install the conversion kit? I am not handy at mechanical things so what seems easy to some people could be difficult for me. Thanks for your help!
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Old 01-15-2016, 05:33 PM   #9
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I converted a Smarter Tools generator to the tri fuel system propane, natural gas, and gasoline over a year ago to use with my small teardrop trailer. Work great. Got the kit from from USCarb.com.

Another good source is local propane supplier many of them could do it for you. I needed an extra part and they have all the fittings. Dave
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Old 01-16-2016, 07:33 AM   #10
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Quote:
Originally Posted by ijustlee View Post
In theory the electrical output will be slightly less on propane because there are less BTU's in propane than in gasoline. Leland

US CARB Dual Use conversion done in 2007.

The electrical output is the same, the genset really doesn't care what it's running on. The KW/HP of the engine will be slightly less.
RPM, with eco off is 3000, whether on LPG or petrol, I've never demand stressed the Honda enough to create a problem with the slightly less efficiency of the LPG.




Quote:
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How far away from the trailer can you put the generator?
Pretty far....

I use 3/4"id, 12' long with quick disconnect couplers.

Bob
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Old 01-16-2016, 07:42 AM   #11
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Quote:
Originally Posted by Ed Brownfield View Post
How far away from the trailer can you put the generator? Do you have to unhook one of the propane tanks and hookup the generator to that tank? Did you convert the generator from gas to propane or did the company that sold you the generator install the conversion kit? I am not handy at mechanical things so what seems easy to some people could be difficult for me. Thanks for your help!

I connect mine into the front LP port on the trailer. Works great. I also used the USCarb kit. They run 50% off sales a few times during the year. Doing the installation is pretty simple. I did read the instructions a dozen times to make sure I understood them before proceeding. They do recommend that you run your new unit for at least two hours on gas before doing the conversion.
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Old 01-16-2016, 08:20 AM   #12
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I also use the gas qd on the front of the trailer. I bought my Yamaha from Central Maine Diesel, already converted. I had done a US Carb conversion of a home generator but I liked the cleaner look of the CMD conversion so I paid a bit more.
Larry
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Old 01-16-2016, 02:20 PM   #13
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I run both Honda's off the lp port on the front of the trailer. I fabricated a quick disconnect tee fitting. The whole sequence is: trailer quick disconnect -to- 10' Camco lp hose -to- the tee -to- the 3' feed hoses that came with the lp kits. Total distance is 13', but my concern was whether the configuration (including the tee and several quick disconnects) could sustain the flow rate needed to power both generators simultaneously. I've tested (and used) this configuration extensively and it had not failed to run and to sustain voltage until the total load exceeds the rating of the two Honda's (which would be expected under any circumstances).

As for installation of the kits, it isn't a good candidate project for a mechanical newbie. However, the sellers of these kits have instructions online (at least propanecarbs.com does) and there are YouTube videos of people doing the work. Check those out to see if you feel it's within your abilities. I'm guessing any local small engine repair shop would do it for a fee if it looks like too much of a DIY task.
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Old 01-16-2016, 02:30 PM   #14
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Gamma - can you post some pics of the connected generators from trailer to tee to gennies? Please and thank you! 😃

I'm going to have a MA company convert mine but am interested in seeing how you've connected them. Thanks!
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