The champion had earlier ended host chance of an all-Bahraini final when he ousted Fawaz Abdulla with a convincing victory, 248-225 in the second semi-final to reach the finals.
Frawley also breezed through Round 1 by beating Bahrain's Masoud Saberi, 237-160 and another Bahraini, Mohammed Sultan, 205-195 in the second round.
Yousif easily beat 2010 ABF Tour champion and three-time Asia No. 1, Hussain Al Suwaidi of UAE, 235-179 in the first semi to take on Frawley. Yousif eliminated tour debutant, Abdulrahman Al Jaidah of Qatar, 198-162 in Round 1 and compatriot and youth, Ahmed Al Goud, 218-207 in Round 2.