Mabasa opened the scoring at the Orlando Stadium with 29 minutes the clock. He added a second in first-half injury time and a third goal on 63 minutes played.
Sydney Malivha netted a 75th minute consolation goal for the Motsepe Foundation Championship side.
It was an important result for the Brazilians after their 4-1 Betway Premiership loss to league leaders Mamelodi Sundowns last weekend.
Speaking after the game, Mabasa said on SuperSport: "Really great result for us today you know, great way for us to bounce back. I think we needed to show such a performance especially after our previous game.
"We need to pick up our heads and fight, there's lot of points to fight for and there's a lot of cups to fight for so this is what we always want to do and that is to go all the way in each and every cup competition.
"This is a big team, quality players and a good technical team and like I said we want to go all the way in each and every competition and hopefully win it."
Pirates are next in action away to Golden Arrows in the league on Wednesday.
Kaizer Chiefs forward Wandile Duba is refusing to let a lack of playing time derail his ambitions, despite facing one of the most competitive attacking line-ups in the Premier Soccer League this season.
At 39, most footballers are long into retirement, but Tebogo Langerman has made a surprising return to the professional ranks with Baroka FC, crediting club chairman Khurishi Mphahlele for reigniting his playing career.
In-form Orlando Pirates are set to host struggling Siwelele FC in the Round of 16 Carling Knockout Cup encounter at the Orlando Stadium on Saturday.
Orlando Pirates kicked off their CAF Champions League campaign with a commanding 3-0 demolition of Lesotho's Lioli FC in the first leg of the preliminary round, played at Free State Stadium on Saturday.
