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Old 01-20-2012, 09:00 PM   #1
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Retrofit Onan Carb with Commercial Onan Fuel Injection?

Anyone tried this.
Is there a kit available?
Thanks,
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Old 01-21-2012, 12:39 AM   #2
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Why would you try? I'm sure way too much work and cost to convert...if EFI is a must...sell your carbed version and buy an EFI version
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Old 01-21-2012, 06:28 AM   #3
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I think it would take years to get your money back in fuel saved IMO.
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Old 01-21-2012, 08:28 AM   #4
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That sounds like an interesting conversion. Please keep us informed. Welcome to IRV2.

The Onan engine was made by Linamar. You might find parts at Smallenginewarehouse dot com
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Old 01-22-2012, 06:13 PM   #5
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Not after fuel savings, want to avoid carb gumup

My service folks tell me the Onan carb is not servicable/rebuildable and that a new one is necessary every time the gas gets old. I do not want to deal with that issue.
Cheers!
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Old 01-22-2012, 06:34 PM   #6
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My service folks tell me the Onan carb is not servicable/rebuildable and that a new one is necessary every time the gas gets old. I do not want to deal with that issue.
Cheers!
I was a ser. mgr. at a RV dearership. We always had from 60 to 100 motorhomes in stock at any one time. Onan says to run a gen for two hours each month.(under load) For the 15 years I was ser. mgr., We ran them for 30 min. every other month, with no problems. I have done the same thing with all 5 of my motorhomes with no problems. I don't think every other month is any great bother.
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Old 01-22-2012, 08:03 PM   #7
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I liked the FI Onan in our previous coach, when I got tired of adjusting altitude on our current carb. coach, I looked into converting the unit to FI. The information I received was, I needed an additional fuel return line back to the fuel tank, not worth the effort.

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Old 01-22-2012, 10:28 PM   #8
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My service folks tell me the Onan carb is not servicable/rebuildable and that a new one is necessary every time the gas gets old. I do not want to deal with that issue.
Cheers!
Boy, they saw you coming. I find it hard to believe that a carb can't be cleaned, no matter how old the gas was or how long it sat with gas in the carb. I have been around engines for over 55 years and have never seen or had a carb that couldn't be restored to working order as long as it wasn't physically damaged.
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Old 01-23-2012, 07:23 AM   #9
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Boy, they saw you coming. I find it hard to believe that a carb can't be cleaned, no matter how old the gas was or how long it sat with gas in the carb. I have been around engines for over 55 years and have never seen or had a carb that couldn't be restored to working order as long as it wasn't physically damaged.
Your ending is the answer. The carb. is made in such a way that you have to damage it to disassemble it.
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Old 01-23-2012, 09:41 AM   #10
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OK, never had or seen one like that, but I can picture it. Still, I would think that a good soaking in carb cleaner would dissolve any varnish.
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Old 01-23-2012, 10:34 AM   #11
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Your ending is the answer. The carb. is made in such a way that you have to damage it to disassemble it.
I removed and cleaned the carb on my 98 onan 5000. You have to pay attention to the altitude setting to make sure you put back to same place. Other than that I didn't damage anything. It runs fine now after setting for 12 years and only had 2.6 hours on it.
There is somthing new out now that will clean your carb to like new without taking it off the generator. It's called "Start your engine" and wallyworld carries, is pricy for the size, but it works. You will have to mix it in a gallon container and run a hose to the generator fuel pump to run it thru. It disolves the crud from the old gas. I didn't know about it before I rebuilt my carb but have used it on chain saws and mowers since and has worked on all of them. Still best to run your generator monthly and put stabil in your tank if storing it for the winter.

Jim & Ruby
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