Don't Buy King Craft Generators

readytogo said:

(Marvel mystery oil first came out in October 1923 to rid carburetors of deposits caused by unrefined gasoline. In World War II, Marvel mystery oil was actually used in ships, tanks, airplanes and other military vehicles. Marvel Mystery Oil has several uses in the automotive field. It can serve as an additive in the fuel system to help clean out any buildup from debris in the gasoline)
I have been using this product ever since I saw my father use it way back; in case you run out of it you can use transmission oil, but as a rule drains all fuel and run unit dry, opening carburetor drain plug is also a good idea. If you stored fuel for the long run is a good idea to set-up a water separator system like the diesel engines have http://www.walmart.com/ip/FUEL-WATER-SEPARATOR-KIT/11071204
Is cheap and works find, alcohol in fuel draws water and water in fuel turns into gum, creating a nightmare, also a excellent product that has been around for many years is http://www.lucasoil.ca/products/fuel-treatments.asp, but is a good idea to also have a carburetor spray cleaner handy.
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This^ is by far the best answer. I have worked on small engines for a very long time and the biggest problem that I have run into is that people think it is OK to leave gas in the tank or worse yet in the carburetor. The gas usually runs afoul and clogs the carb. Even if you run your carburetor dry it is still a good idea to spray your carb down with a light lubricant if you are going to store it for a while. This will help neutralize some of the corrosive aspects of any ethanol in your system. The Carb parts a made of cheap metal and very susceptible for corrosion.

Gas sitting in a tank will go bad. Your best bet is to use fresh gas every time. I have always installed a secondary petcock in a fuel line to drain the tank of any gasoline. And then I run the engine dry and spray a little light lubricant in the carb like Marvel Mystery Oil and crank it a couple of times to draw it in. We also think that since it is not our car and we did not pay as much money for it, it is OK to just buy and use the cheap gas. The fact is the smaller engines will last longer and run with fewer problems with higher octane gas.

If you live in areas with high humidity (like Florida) your tanks are more susceptible to moisture attacks than you might think. I had a guy swear up and down that it couldn't be moisture because he kept his generator under a tarp in his garage. I drained about 1/4 cup of water out of his tank. I drained the whole thing, cleaned the carb, put in fresh gas and it started right away.

I am recovering from a pretty horrific motorcycle accident, but just before that I purchased a JDNA/KingCraft 2000 Watt Generator just in case we got hit with a bad winter and lost our power.
Well, it happened this past winter; Prairie Village, KS was without power for several days and we were thankfull I had the good sense to think ahead - that didn't last long. After taking the unused and new but stored generator out of the box and following the start up instructions to the letter, the unit had a catastrophic failure and blew the oil seals within 30 seconds.
After going round and round with JDNA/KingCraft customer service, I've found their company is only interested in taking my money and covering their butts by hiding behind a limited warranty on a brand new out of the box, never used before unit.
So I've decided to go to social media with my story. I hope no-one else ever has to deal with a situation like this and would strongly advise NEVER purchasing anything from JDNA/KingCraft as they don't care about anything, including their reputation, but only the allmighty dollar and their bottom line.
Avoid JDNA/KingCraft Products At All Cost ! ! !