Motor direction and propeller direction is crucial to proper flight. Refer to this format when reassembling.

The Front Left motor identified by the Red/Blue wires is a Standard(Clockwise) spinning motor, it pairs with a White A2 propeller.

The Front Right motor identified by the Black/White wires is a Reverse(CounterClockwise) spinning motor, it pairs with a White B2 propeller.

The Back Left motor identified by the Black/White wires is a Reverse(CounterClockwise) spinning motor, it pairs with a Black B1 propeller.

The Back Right motor identified by the Red/Blue wires is a Standard(Clockwise) spinning motor, it pairs with a Black A1 propeller.