What may cause male to pass blood and large blood clots in urine with burning?

Blood in the urine. It can be a number of different conditions. Urinary tract infection, stones, tumors in the urinary tract, etc, to name a few. Recommend seeing a provider to get the proper studies to determine the etiology of this.
Many reasons. Passage of blood in the urine has many causes. The most common causes include an infection, stones or trauma. But may also be due to medications, cancer and congenital malformations or acquire malfunction.