Combine soy sauce and next 5 ingreds.Pour over pork. Seal bag; marinate in Fridge for 8 hours or overnight, turning bag occasionally.
Remove pork from marinade, discarding marinade.
Coat grill rack with cooking spray; place on grill over medium-hot coals (350 to 400º) Place pork on rack; grill, covered, 25-30 mins.or until meat thermometer inserted in thickest portion of pork registers 160º, turning occasionally.