The first thing to check is to remove the cover from the top of the engine and see if there is a bunch of grass under there that is packed in the fins that are supposed to keep the engine cool. The other possibilty is that the coil is breaking down after it gets hot. I would check for the grass and clean it real good and see what happens.
model 11 Aa23K758 22 in.
It appears to be made in 2000.
We will need some more details... Is it the drive belt or the belt for the blades?it is the drive belt for Murray lawn mower model 38618x92a
Try manualsonline.com or managemylife.com
I changed the blade belt on my Murray mower. Now one blade stops and goes. If I lower the deck the blade stop . What did I do wrong?
Murray typically puts their tags on the very rear of the mowers in the center below the seat.
The Briggs and Straton Quattro is a 4 HP
need the engine model, type and code
goto http://www.partsandservice.com/HTML/Murray/lt/lt40808x8d.HTML
how to install a spring clutch on a murray mower
what spark plug do i need for a 3.75
Found one I had downloaded at sometime in the past.