New carb, new fuel pump, have saprk have fuel.
I don't suppose there's any way you could have reversed the plug leads. I did this on a 4-cyl once and had a similar experience to yours.
SOURCE: 24 hp briggs intek vtwin won't start
This same thing happens to me and I resolve it by taking the gas line off in front of the carb and blowing air through it.....then it will run fine. I realized I could do this when I took the air cleaner off and fed it gas manually and it ran fine....and I also had gas pumping through the fuel pump. I'm not sure of the problem....either the fuel pump is losing power or their is something blocking the carburator intermitantly
SOURCE: Can you assist with a John Deere lawn tractor? I
Leo, try removing the fuel bowl first and checking to see if the needle valve and float are working correctly.
Typically, whenever the fuel system has been "shellaced", the small port that lets fuel flow from the bowl into the carb, gets clogged. You can check this by removing the center nut on the bowl to drop it down. (turn off the fuel valve 1st) and be careful not to let the needle valve and spring retainer fall off the float.
Once you've done that, you can spray some Carb & Injector cleaner thru this port and use a small pipe cleaner to make sure the hole isn't clogged. Also, check the float to see if it's got any gas in it. If it does, you'll need to replace the float, as it shouldn't have anything but air in it, hence the term "float".
You should be able to get the carb working fine after doing the above, since you can get the engine running by spraying cleaner (starting fluid?) into the carb.
Here's a link to the B&S site where you can get info on your particular engine by using the model number stamped on the engine itself.
http://www.briggsandstratton.com/maint_repair/manual_and_more/
Hope you find this Very Helpful and best regards!
SOURCE: Honda generator ei3000. Will run only a few mins
Tank filter not blocked? (Take tap off tank) Enough oil in motor? Try overfilling it slightly
SOURCE: lawn mower will not start
check gas tank with light is there dirt in tank? did you change fuel filter? is there spark at the spark plug? try a 2 second spurt of starting fluid in carburetor and crank does it fire?if it does then you most likely need to clean carburetor with carburetor cleaning spray, flush fuel lines with spray and swap fuel filter.
SOURCE: briggs and stratton v-twin engine, when you put
my vtwin starts but runs fast and slow like it is running out of gas whatcauses this
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