It very well could be, or a problem with the float. Remove the bowl off the carburetor, remove float, needle valve, and seat. Clean all parts good with carburetor cleaner. Float the float in some fuel to make sure it floats (when should not that any fuel inside of it). Put needle valve, seat, and float back on and open fuel valve a small amount, lift float up to see if it will shut fuel off, if it does reinstall bowl. If not you may have to replace the needle and seat.
There is no aftermarket for this carburetor kit at this time. It is only available from Briggs & Stratton.
A Briggs and Stratton L head twin engine wills pit gas out of the carburetor and flood out when starting if the diaphragm has been damaged. This will cause excessive fuel to enter the carburetor.
The benefit of rebuilding a Briggs and Stratton carburetor is two-fold. The first benefit is the experience you can by doing the handy work on your own. The second benefit is that you save money on labor expenses.
There is not set answer for translating displacement to HP because of engine type and carburetor variations.
My engine is idling too high. How do I adjust the idle speed?
If you mean Briggs and Stratton model 193702, then you want Briggs Stratton Carburetor Part No. 491590 It costs less than $150 USD. Check out http://www.smallenginesuppliers.com or the Briggs and Stratton website.
No, never oil the carburetor linkage. Clean the linkage throughly with carburetor cleaner. If you oil the linkage it will become clogged with dust which the oil will attract.
with a big freagin hammer
Clean out the carburetor with gas, the reason it wont keep running is its not getting enough gas through the carburetor.
It is a Briggs & Stratton Engine, so get the engine model and try jackssmallengines.com.
Carburetor adjustment or if unattainable rebuild the carb. about $20 and 1/2 hr Before you start messing with the carburetor, check the air and fuel filters.
Because your carburetor is not getting fuel to the engine - could be a plug in the fuel line or it could be dirt in the screen in the pick up tube in the carburetor. I would suggest you clean the carbutator.