In a small bowl, combine the first 5 ingredients. Pour 1/2 cup into a large resealable plastic bag;add pork chops. Seal bag and turn to coat;refrigerate for 2-3 hours. Cover and refrigerate remaining marinade for basting.
Coat grill rack with nonstick cooking spray.
Before starting the grill. Drain and discard marinade. Grill pork, covered,over medium heat for 4-5 minutes on each side or until a meat thermometer reads 160, basting frequently with remaining marinade.