Place the shoulder on the grill above the drip pan, skin or fat side up. Cover the grill and roast the pork shoulder for 4 to 6 hours. The time it takes will vary depending on your piece of meat ...

Roast the pork for 1–1½ hours ... Place the meat in the centre of the grill or hang in the centre of the grill on a rotisserie stick and barbecue for 1–1½ hours, basting occasionally ...