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08-04-2015, 05:49 PM
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#1
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Free Range Human
2012 25' FB Flying Cloud
Currently Looking...
Haines
, Oregon
Join Date: Oct 2008
Posts: 736
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Any Generator Experts???
I posted this on Wander the West, but thought I would try here, too.
We took a brief trip up to Paulina Lake, in the Newberry Volcanic National Monument, and used the our little Yamaha 1000is generator to keep the batteries up on the Airstream. Ran like a champ.
I always siphon the gas out of the tank, then run it dry after each use, otherwise the carburetor jets can clog. This time, after siphoning the gas, I started the beast as usual, but it died a couple of seconds after I closed the choke, and didn't want to restart. I got an occasional pop out of it, but nothing sustained.
Bottom line, I pulled the spark plug and found that it was dark with carbon, but not wet from flooding. I cleaned the plug, reinstalled and it is out there purring like the champ it should be.
My question is, why did it carbon up? I typically run it on eco mode so it turns at a lower RPM when just powering the converter. Any chance that the lower speed run is contributing? BTW, the gas was fresh, and 89 Octane.
Thanks in advance,
Steve
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08-04-2015, 06:03 PM
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#2
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Rivet Master
2011 34' Classic
Westchester Cty.NY
, / Miami FL
Join Date: Jul 2007
Posts: 3,122
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when you close the choke it makes the mixture rich which leaves the soot.
__________________
Ricky
2012 F150 Super Crew 5-1/2' bed Ecoboost 4x4 3.73 elec. lock diff. Propride hitch
give life. kidney & pancreas transplant 9/9/06
Ingrid-my unofficial '"World's Oldest Streamer" 1909-2008 R.I.P.
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08-04-2015, 06:10 PM
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#3
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Free Range Human
2012 25' FB Flying Cloud
Currently Looking...
Haines
, Oregon
Join Date: Oct 2008
Posts: 736
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Oops, I meant opened the choke, as in pushing the knob back in.
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08-04-2015, 06:19 PM
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#4
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Rivet Master
1974 31' Sovereign
1979 23' Safari
Wayland
, New York
Join Date: Jan 2012
Posts: 1,632
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Unless you're going to leave it for several months not running it there is no need to drain the gas tank dry.
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08-04-2015, 06:34 PM
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#5
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Rivet Master
2005 25' Safari
Salem
, Oregon
Join Date: Mar 2006
Posts: 8,369
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Hi, may or may not be your problem, but I only use name brand gas in anything that I own including my lawn mower. Cheap, no name gas causes problems.
__________________
Bob 2005 Safari 25-B
"Le Petit Chateau Argent" Small Silver Castle
2000 Navigator / 2014 F-150 Eco-Boost / Equal-i-zer / P-3
YAMAHA 2400 / AIR #12144
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08-04-2015, 06:50 PM
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#6
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Lost in America
2015 27' FB International
2006 25' Safari FB SE
2004 19' International CCD
Santa Fe
, New Mexico
Join Date: Feb 2007
Posts: 2,151
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What altitude are you at and if you are above 5K' did you re-jet?
__________________
This is the strangest life I've ever known - J. Morrison
2015 Airstream International Serenity 27FB
2017 Chevy Silverado 2500HD Duramax Diesel
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08-04-2015, 07:20 PM
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#7
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Free Range Human
2012 25' FB Flying Cloud
Currently Looking...
Haines
, Oregon
Join Date: Oct 2008
Posts: 736
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Quote:
Originally Posted by mojo
What altitude are you at and if you are above 5K' did you re-jet?
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Hmmm, we were at about 6,300, then down to near sea level. I think you might have hit on the issue...
I didn't think of that. Thank you!
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08-04-2015, 07:25 PM
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#8
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Overland Adventurer
1991 34' Excella
2009 34' Panamerica
Telluride
, Colorado
Join Date: May 2012
Posts: 2,476
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Any Generator Experts???
At the end of use , as the tank nears empty, I add a big gulp of Marvelous Mystery Oil and let it run dry to leave a nice non fouling film behind. I've done this in all my cars and other gas devices, never had an issue. No corossion, alcohol pitting or dry gaskets. Keeps rubber supple and flexible.
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08-04-2015, 08:15 PM
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#9
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4 Rivet Member
Currently Looking...
z
, North Carolina
Join Date: Oct 2014
Posts: 262
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Yup
Altitude for sure. No ? in my mind.
I swear by Sta-Bil. Great product, not expensive, and the jets in the carburetor stay clean. I mix it with every small garden tool I own, be it two or four stroke engine.
Keep its head up!
Gavin
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08-05-2015, 05:56 AM
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#10
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 20,000
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I also run dry & drain on our dual use 2000i, the LPG conversion allows for mixture adjustment at altitude. MMO in everything, ('cept the Merc OB), thats stored for extended periods.
E free 91 in everything when possible, (avail. 2mi away at home).
I've switched to these in all our applications except the flathead Ford. Well pleased with the performance, not cheap but have lasted very well in the TV.
Bob
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08-05-2015, 06:27 AM
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#11
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2 Rivet Member
2013 25' Flying Cloud
Middleton
, Idaho
Join Date: Nov 2012
Posts: 99
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+1 on ethanol free fuel. I've had a lot less fuel related problems since switching to it last year. I use it in boats, motorcycles, lawnmowers, generators, etc. I use Sea Foam if the fuel will be sitting a while. Ethanol free fuel is readily available where I live, so that makes it easy for me. Here is a web site that shows stations that sell this fuel: pure-gas.org
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