my kids put the murray lawn tracktor  away this past fall said it was ok .  i tryed to start it no start noticed engine rotates but piston dosent so i am going to do remove the engine replace piston rings and rod . i noticed the spark plug black thinkning its buring oil is ths a  carb issue or  a valve issue 
its a mid 90's marry land tractior with a 15.5 engine
	
		
			
		
		
	
			
			its a mid 90's marry land tractior with a 15.5 engine