Question about Yamaha Electrical Supplies
Need to find a socket for the spark plug to use on my Homelite 5700 Yamaha gas generator
Posted by Anonymous on
SOURCE: I have a coleman powermate
Bascially you need to completely remove the old, stale fuel to start with. (you can use the old fuel it in your lawnmower mixed 50:50 with fresh fuel to use it up).
Then once you've drained the fuel tank, you'll have to clean out the carb with a Fuel Injector and Carb cleaner. Really spray the carb till it's soaked, since you've got a schellaced fuel system.
Make sure you remove the air cleaner so you can get the spray into the carb. Also, with the spark plug removed, and the power switch turned "off", so the generator won't try to start during this process. You can also slowly crank the engine with the pull starter, to help work the cleaner through the system.
Then let the unit set for about 10-15 minutes, so the cleaner can evaporate, etc. and then you can reinstall the spark plug.
Now add about 1/2 gallon of fresh fuel and you can try starting the generator. You might have to use some starting fluid to get it started, by carefully spraying it into the carb in very small bursts to keep the motor running
Once it's running smooth, you should always use fresh gas and make sure to add a quality fuel stabilizer, such as Sta-bil, to the gas you use in the generator, as it will keep the fuel system protected for up to 2 years.
I also always turn off the fuel shut-off on my generator to use up the gas in the line before storing it. Also, you should get the generator out at least every 3 months and run it for 15-20 minutes to keep everything working and lubricated, so it will work when you need it.
Just be sure to always add more Sta-bil to your fuel and turn off the fuel shut off and let it run out, before storing.
I've done this with my generators and they're now over 14 years old and always start on the first pull and run like tops!
If you can't get the unit running smoothly, you may have to take it to a small engine service shop for them to do a "tune-up" for you.
Hope you find this Very Helpful and best regards!
Posted on Sep 19, 2009
try leaving your choke partially on it may not be getting all the gas it needs,see if it will run then, it wont run full throttle, but this will tell you its not getting enough gas
Posted on Oct 07, 2009
Remove & Check Float bowl on carburettor for any foreign matter. If there is any, it could have got into jets causing engine to run lean (only run with choke) and not be able to carry load in this state. A cleanout of the carby would not hurt and check the fuel tank for any sediment as well.
Posted on Aug 24, 2010
What you are describing is not good at all.
There are 3 things that can cause what you said.
1) The engine seized due to lack of oil, though this generator should have a low oil shutdown, it may have failed, especially if the generator was being operated off level.
2) The engine has over heated, to the point that it seized.
3) A mechanical failure in the alternator, perhaps a bad bearing, has created a large amount of drag on the engine.
Would you check the oil, and post back where it sits at? Might have other options.
Posted on Sep 23, 2010
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