1. Whisk together first 4 ingredients. Place pork in a shallow dish or large zip-top plastic freezer bag; pour lime juice mixture over pork. Cover or seal, and chill 1 hour, turning occasionally.
2. Soak wooden skewers in water 30 minutes to prevent burning.
3. Remove pork from marinade, discarding marinade. Thread 5 pork pieces evenly onto each skewer, leaving a little space between pieces.
4. Grill pork, covered with grill lid, over medium-high heat (350° to 400°) 7 to 9 minutes or until done, turning once.