Starter Performance Test: M/T

Disconnect the wire from the M terminal.
Make a connection as shown using as heavy a wire as possible (preferably equivalent to the wire used for the vehicle).
NOTE: To avoid damaging the starter, never leave the battery connected for more than 10 seconds.

Fig 1: Disconnecting Wire From M Terminal
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Connect the battery as shown. Make sure you disconnect the starter motor wire from the solenoid. If the starter pinion moves out, it is working properly.
Disconnect the negative battery terminal from the M terminal as shown. If the pinion does not retract, the hold-in coil of the solenoid is working properly.

Fig 2: Disconnecting Negative Battery Terminal From M Terminal
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Disconnect the negative battery terminal from the starter body as shown. If the pinion retracts immediately, it is working properly.

Fig 3: Disconnecting Negative Battery Terminal From Starter Body
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Firmly clamp the starter in a vise.
Reconnect the wire to the M terminal.
Connect the starter to the battery as shown in the diagram, and check that the motor starts and keeps rotating.

Fig 4: Connecting Starter To Battery
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the electric current and motor speed meet the specifications when the battery voltage is at 11 V, the starter is working properly.
Specifications

Electric Current: 90 A or less

Motor Speed: 2,000 RPM or more