prepare outdoor grill for direct grilling over medium heat.

stir sugar, orange juice, paprika, cumin and crushed red pepper in a small bowl until the suger dissolves.

sprinkle salt and pepper on flesh side of salmon.

grill salmon, skin side up, 4 min, then carefully turn salmon over. brush sugar mix over salmon. cook 4 to 5 min longer or until just opaque throughout, continously brushing sugar mix over salmon. (instant read thermometer inserted horizontally into center of fillets should register 145 degrees)

Carefully remove salmon from grill by sliding long, thin spatula between fish and grill grate. Discard skin.