In a small bowl, combine all ingredients except chicken.
Measure out 1/4 cup marinade and reserve for basting while grilling.
Place chicken in a shallow bowl or zip lock bag and cover with marinade.
Refrigerate overnight, turning at least once.
Remove chicken from fridge 45 mins before cooking.
Drain and grill over medium coals/fire for 25-35 minutes until no trace of pink colour remains. Turning every 10 mins.
Baste frequently with reserved ¼ cup marinade while cooking.