The ‘Stangs scored the only goal of the opening period, a marker by Leyton Holoien at 12:53.
The score would remain 1-0 in-favour of the home team through a scoreless second period.
Just 53-seconds into the third period the Mustangs extended their lead as Ben Tkachuk found the twine behind Terrier netminder Kael DePape.
The Tkachuk goal would prove the last of the contest as the Mustangs took a 2-0 win, with goaltender James Venne earning the shut-out, facing only 17-shots.
DePape was tagged with the loss facing 22-shots.
Next action for Yorkton has them back on home ice hosting Kindersley Tuesday at the Westland Insurance Arena.
The Klippers also play in Yorkton Friday, with Melfort in for action Saturday.
