ksg5000
Oregon
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Joined: 06/30/2008
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I don't think you have a problem -- when I had similar issues with small engine stuff (chipper shredder/lawn tractor etc) and the smoke and quirky engine stall stuff goes away pretty quick - no real damage ever noted.
Kevin
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The Texan
Home: Idaho - Location: Texas
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Joined: 01/16/2004
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Sounds to me like the Seafoam was doing its job and cleaning your system. I have used it for many years and the only time it smoked, was in a dirty fuel system, till it was cleaned. I use it for a stabilizer in both our 2nd car and our Rzr, sometimes as long as 18 months and it does a very good job of stabilizing the fuel for that length of time.
Bob & Betsy(FishNFanatic) - USN Aviation Ret'd '78 & FL LEO Ret'd '03 & "Oath Keeper Forever"
'05 HR Endeavor 40PRQ, 400 Cummins W/ 540w/35A solar system -Pulling our '05 GMC Sierra LT, CC, Z-71, w/ 2010 Silver Rzr in back.
Where the wheels are stopped
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taviking22
Omaha, NE
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Joined: 03/21/2005
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Last summer I took my generator up to 8300 ft camping in Rocky Mt NP. I did not use a high altitude jet and really carboned up my jenny. Upon getting home I had to clean the spark arrestor on the muffler of soot. I put SeaFoam (using the correct proportion) into the gas tank. The engine sputtered and coughed and belched black smoke for about 10 minutes under 1/2 load. It then started to smooth out and the exhaust cleared up. SeaFoam did its job, and I believe it saved me from a more expensive trip to the small engine shop.
taviking22
Omaha, NE
'06 2500HD Silverado 4X4, Duramax Diesel, Firestone air bags
2008 Tracker Pro Guide V-16 Boat
2012 Jayco Pinnacle 31RLTS
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bgum
South Louisiana
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Joined: 02/22/2006
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StaBil is good also.
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ktmrfs
Portland, Oregon
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Joined: 06/22/2005
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mlts22 wrote:Tried adding some Seafoam as part of the fuel mixture in my Yamaha 3000 inverter generator, partially to see if it would help with high run hours, partially as a fuel stabilization additive.
Big mistake. At no load, the generator ran fine. Flip on the A/C, the generator would sputter, spit out a lot of white smoke, and then stall. This is different from an overload condition where the inverter decides playtime is over and disconnects from the engine until the engine is stopped and started.
After running that tank through (had no place to dump the bad gas), I put fresh gas in, and the generator did take the A/C's load after that.
Think this damaged the motor or inverter?
how much seafoam/gallon of gas did you use? I've been using seafoam ALL the time in my honda, my motorcycle, and my leafblower/weedeater etc. with zip issues, solved gumming I was having with Stabil. I run the seafoam recomended dose. Maybe the yami is more senstive to something, or maybe it was doing some real cleaning. Might try again and see if it repeats.
2011 Keystone Outback 295RE
2004 14' bikehauler with full living quarters
2004.5 Silverado 4x4 CC/SB Duramax/Allison
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Road Dog
Waukesha,WI
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Joined: 05/17/2003
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StaBil is not a cleaner or lubricater. SeaFoam is both! I've had StaBil go bad on me several times, gumming up a carb. on my Yamaha Generator. I have used SeaFoam to treat gas that has been in my equipment for over two years and it starts up on first pull! Great stuff. I use it in everything that has a gas motor!
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John&Joey
Some Location
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Joined: 05/20/2007
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Did no damage. You just mixed too much SeaFoam into the gas. When it pulled hard the gas intake increased causing the white smoke. Good news is that you inadvertly decarboned the cyclinders by doing this. I'm guessing your genny is running like a top right now.
SeaFoam is also a gas stablizer, just read the can. Sta-bil is cheaper, but it does nothing to clean the engine.
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ktmrfs
Portland, Oregon
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Joined: 06/22/2005
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Road Dog wrote:StaBil is not a cleaner or lubricater. SeaFoam is both! I've had StaBil go bad on me several times, gumming up a carb. on my Yamaha Generator. I have used SeaFoam to treat gas that has been in my equipment for over two years and it starts up on first pull! Great stuff. I use it in everything that has a gas motor!
I've also had pilot (idle) jets plug on me with only Stabil on my honda 2000. SeaFoam unplugged them and haven't had a problem since. No longer a Stabil fan, but am a seafoam convert.
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Gale Hawkins
Murray, KY
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Joined: 07/22/2007
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ktmrfs wrote:Road Dog wrote:StaBil is not a cleaner or lubricater. SeaFoam is both! I've had StaBil go bad on me several times, gumming up a carb. on my Yamaha Generator. I have used SeaFoam to treat gas that has been in my equipment for over two years and it starts up on first pull! Great stuff. I use it in everything that has a gas motor!
I've also had pilot (idle) jets plug on me with only Stabil on my honda 2000. SeaFoam unplugged them and haven't had a problem since. No longer a Stabil fan, but am a seafoam convert.
Same here. I use Sea Foam in any small engine not being used 8 hours per day.
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Peg Leg
Anderson, IN
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Joined: 06/20/2004
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I've used Sea Foam and have a Yamaha 3000. I've never used it in my Yamaha. The Yamaha will be 8 yrs old in July. I've always siphoned as much gas out as I could after any usage, then run it until it dies and change the oil. I've cleaned the spark plug once, the air filter twice, and replaced the battery once. It's never gave any trouble so I'm not planning on changing the maintanace schedule.
2012 Chevy 3500HD Dually 4X4
Crew Cab long bed 6.0 gasser 4.10
06 Hitchiker
Yamaha EF3000iSE
retired gadgetman
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