Generator is getting gas but no spark
SOURCE: coleman powermate 6250 generator will not start
I have one of these generators, and I can tell you that at least once a year, I have to pull the petcock type assembly off tank, and clean it. I also drain and clean the tank. It gets a sediment build up, and the petcock system isn't the greatest in the world. I'm going to say that you either have a problem in the petcock type assembly, or you have a stuck jet in the carb, either of these can happen with it sitting for the long period of time. Start by removing the fuel line to the carb and checking the fuel flow. Sounds like you may have already done this, I'm unclear on that. Then I would remove the carb, and soak it overnight in a penetrating oil. This will loosen up any rust or parts that may be sticking. One other thing you may consider, depending on where you live, you may have a mud dauber or wasp nest in the intake or other critical area of the engine. I still get amazed at where I find mud dauber nests occasionally, the little buggers seem to be able to get anywhere.
SOURCE: three year old coleman 5000/6250 generator. High
Your RPM's are too high. There is no voltage regulator in coleman generators (generator is actually made by generac) and is 100% dependent on engine speed. There is a screw under the tank when your looking in from the recoil side. It controls the governor arm. Screw it in and it incresses the rpm, out decrease. Plug something in that draws a decent load while setting the rpms since you want it to put out 120 and 240 underload. Your idle voltage does not matter.
SOURCE: Coleman 6250 Generator won't turn over
try removing the air filter and try starting if it dirty or to oily , no vacuum is created to pull the fuel into the carb
Testimonial: "I removed the air filter,then put air filter back on,it started for 2 mintes.I shut it off, but then allot of gas just spewed out of the air filter?"
SOURCE: Generator with Briggs & Stratton,no gas is getting in carburetor
The needle valve may be stuck which would not let gas into the carb. I don;t think rebuild kits are too expensive. Pull the carb and take it to a lawnmower repair shop and they should have the parts. Before that though pull the bowl and make sure it has gas in it. If no then remove the fuel line and make sure gas flows from it. If no then could be the fuel shutoff valve is not operating properly or junk in the gas tank is obstructing the line.
SOURCE: Lost my manual for Coleman Powermate 6250
Try this link. The model number will most likely be on the endbell of your generator.
http://www.powermate.com/productmanuals.php?cat_id=3
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