Scorbunny's best moveset in Pokémon GO is Tackle and Flamethrower, with 9.01 damage per second, and it can deal 89.3 damage before Scorbunny faints. This is true when battling in neutral weather.
All Scorbunny movesets ranked
Here is a complete list of Scorbunny movesets in Pokémon GO, ranked by their DPS and TDO. You can change the weather and the opposing Pokémon.