Stir together oil, soy sauce, honey and pepper in a bowl.

Set aside a small amount of marinade.

Add chicken, peppers, onions and garlic into the marinade bowl and refrigerate for 2 hours.

Preheat the grill for high heat.

Add chicken and vegetables onto the skewers.

Grease grill and place skewers on it.

Cook until chicken juices run clear, 12-15 minutes.

Brush remaining marinade onto the skewers while cooking.