Yungoos's best moveset in Pokémon GO is Tackle and Hyper Fang, with 9.45 damage per second, and it can deal 69.4 damage before Yungoos faints. This is true when battling in neutral weather.
All Yungoos movesets ranked
Here is a complete list of Yungoos movesets in Pokémon GO, ranked by their DPS and TDO. You can change the weather and the opposing Pokémon.