Check float , fuel cap, fuel filter, Probibly a good carb cleaning would do the trick.
Hope this helped
The fuel filter is clogged or the carburetor needs to be cleaned and/or adjusted.
dirty carb bowl or water in the carb
replace it
get a new one
There could be many reasons why your Sears riding lawn mower won' shut off. The key could be jammed for example.
because it needs a 1600 vee dub engine in it to make it go faster to have lawn mower races
Try pulling out the spark plug and clearing the cylinder
your electric motor(I assume) probably wont have enough torque, That is on a Riding type mower, not a push mower, it might work on a push mower as long as its not self prepelled, because your motor probably still wont have enough torque!
not getting gas. clean\carb rebulid needed
dd
Perhaps it is the starter drive. That happened to my riding mower. Got the drive replaced, works fine.
Your flywheel key might be sheared