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Dean, that could be almost anything from a carb problem to an ignition problem.. ~You might want to try a few things to see if you can isolate the problem.. You are going to need to determine what the cause is to be able to eliminate it.. 1)--First thing to try is simply opening the hand throttle all the way AFTER shut down.. [that lets the hot fuel vapors out].. Then try starting it normally.. 2)--Next try shutting the fuel off going to the carb & let it run out of fuel to shut it down [that also helps control hot fuel vapors & also stops any hot flooding while parked].. -Turn the fuel back on just before starting again-. 3)--Next give the oil in the crankcase a good sniff, if it smells like gasoline then change it. [if you have a problem with fuel leaking past the needle & seat it could end up in the crankcase then the fuel vapors get by the rings on a hot engine & flood it, or cause it to be too rich for starting].. 4)--Try different throttle settings for hot starting, first try wide open throttle, then full idle, then a few other settings. 5)--Next try cranking the engine hot & letting up on the starter a few times while cranking,, if it starts as the cranking is released then suspect an ignition problem [when the starter is released it allow more voltage to go to the ignition system, �distributor system only�].. 6)--If you have a magneto equipped �B� then listen for the magneto snap as you crank it.. If you don�t hear that snap on every revolution then add a second base gasket under the magneto [sometimes the mag impulse cups get jammed on a hot engine due to governor wear or a mag problem].. 7)-- Find a [known good] old spark plug [it doesn�t have to be for your tractor], then open the electrode gap to about 3/16� [use a 3/16� drill bit for a gap gauge], then install that in one plug wire of a hot engine & lay it on the engine block [leave the old plugs in for cranking drag].. Now crank the engine [ign switch on if dist equipped] & look for a spark across that 3/16� plug gap,, you need to see a nice bluish colored spark jump that gap as the engine cranks.. If it is yellow, weak looking, intermittent, or erratic then suspect a ignition coil or other ignition problem.. If you have a weak spark then post back or E-Mail & tell us what ignition system you have [mag or distributor & if dist what brand], then we can focus on getting your ignition system working correctly. ~One more thing�If you still have last winters gasoline in it, drain that [or run it out] & install fresh gasoline in the tank.. Winter gasoline is blended more for cold starting & can cause some problems on a hot manifold engine like the �B� when the engine gets hot & the carb gets hot then sits with gasoline in it� [email protected]
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