West Indies had banked on not out batsmen Roston Chase and Jermaine Blackwood putting up firm resistance but Yasir accounted for both - Blackwood for 95 - plus Jason Holder to remove any chance of a shock result.
Shai Hope and Devendra Bishoo put on 45 for the eighth wicket before Yasir and Zulfiqar Bahar polished off the final three wickets in four overs.
The third test in Sharjah begins on Oct. 30.
(Reporting by Neil Robinson, editing by Pritha Sarkar)
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