B4U scored both goals during the second period with Yusupha Kanji opening the scoring in the 67th minute and Mustapha Sohna sealing the victory in the 71st minute.
B4U now recorded their seventh win of the season, while the Banjul-based team suffered their 15th loss of the league.
The win maintains B4U Kiang West at the relegation zone (16th position) with 27 points, two points above Young Africans, who sit second from bottom (17th) position with 25 points.
Elite United were held to a 1-1 draw by Tallinding United at the Late Ousman Saho Field in Old Yundum.
Kitabu Saho scored for Elite United in the 2nd minute, while Sulayman Sidibeh scored for Tallinding United in the 7th minute.
The result maintains Elite United on 3rd position with 51 points, while Tallinding United occupy 15th position with 29 points.
The Gambia Ports Authority (GPA) were held to a 1-1 draw by Medical FC at the Soma Mini Stadium.
Lamin Jarra gave Medical FC the lead in the 2nd minute, while Saikou Sylla levelled matters for GPA in the 37th minute.
The draw maintains GPA at 4th position with 49 points, while Medical FC sit 8th position with 43 points.
