1. Introduction
The GEPRC SPEEDX2 3214 860KV motor is specifically engineered for 9-10 inch long-range FPV drones. Its large size delivers powerful thrust, while the 860KV rating provides significant torque, making it suitable for various payloads. The motor features a distinctive red and black aesthetic and incorporates a high-end bearing shaft for smooth and reliable operation.

2. Features
- Integrated outer rotor design with high-precision CNC aluminum alloy construction.
- High-temperature resistant enameled wire for enhanced stability under demanding conditions.
- Personalized hollow appearance reduces weight while maintaining high power output.
- Utilizes N52H magnetic steel for a high magnetic energy product and stronger magnetic field.
3. Specifications

| Attribute | Value |
|---|---|
| Model | SPEEDX2 3214 Motor |
| KV | 860KV |
| Configuration | 12N14P |
| Magnet | N52H |
| Rotor Material | 7075-T6 Aviation Aluminum Alloy |
| Stator Diameter | 32mm |
| Stator Height | 14mm |
| Output Shaft Diameter | Φ5mm |
| Dimensions | Φ42mm * 49.8mm |
| Outlet Specification | 16AWG 500mm |
| Rated Voltage | 25.2V 6S (LiPo) |
| Maximum Power (W) | 1867.11W |
| Maximum Current (A) | 77.8A |
| Mounting Hole | 19x19mm (M3) |
| Color | Red and Black |
| Weight | 155.0g |
| Applicable Models | Suitable for 9-10 inch models |

4. Package Contents
The following items are included in the product package:
- 1 x SPEEDX2 3214 Motor
- 4 x M3*9 Round Head Screws
- 1 x M5 Anti-slip Nut

5. Installation and Setup
5.1 Mounting the Motor
- Ensure your drone frame is compatible with 19x19mm (M3) motor mounting patterns.
- Align the motor with the mounting holes on your drone's arm.
- Secure the motor using the provided 4 x M3*9 round head screws. Do not overtighten to avoid damaging the motor or frame.
5.2 Electrical Connection
- Connect the 16AWG motor wires to your Electronic Speed Controller (ESC).
- Ensure correct polarity and phase connections. For brushless motors, the order of the three motor wires can be swapped to change the motor's rotation direction if needed.
- It is recommended to solder the motor wires directly to the ESC for a secure and low-resistance connection.
- Verify that your ESC is rated for 6S LiPo input and can handle the motor's maximum current of 77.8A.
5.3 Propeller Installation
- Choose propellers suitable for 9-10 inch models.
- Place the propeller onto the Φ5mm output shaft.
- Secure the propeller with the provided M5 anti-slip nut. Ensure the nut is tightened sufficiently to prevent the propeller from loosening during flight, but do not overtighten.
6. Operating Instructions
6.1 Pre-Flight Checks
- Before each flight, visually inspect the motors for any damage, loose wires, or debris.
- Ensure all mounting screws and propeller nuts are securely fastened.
- Check that the propellers are free from cracks or damage.
6.2 Powering On
- Connect a fully charged 6S LiPo battery to your drone.
- Listen for the ESC initialization tones.
- Arm your drone according to your flight controller's instructions.
6.3 Flight Considerations
- The 860KV rating is optimized for long-range FPV, providing a balance of thrust and efficiency.
- Monitor motor temperatures during initial flights, especially when carrying heavy payloads or flying aggressively.
- Avoid prolonged operation at maximum throttle to prevent overheating and premature wear.
7. Maintenance
- Cleaning: Regularly clean the motors to remove dust, dirt, and debris that can accumulate in the bearings or stator. Use compressed air or a soft brush.
- Inspection: Periodically check the motor's shaft for bends, the bell for dents, and the wires for fraying or damage.
- Bearing Care: While the motor uses high-quality bearings, extreme conditions or impacts can affect them. If you notice unusual noise or resistance, consider replacing the bearings.
- Storage: Store motors in a clean, dry environment away from direct sunlight and extreme temperatures.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor not spinning or stuttering | Loose wire connection; ESC not calibrated; Damaged motor winding/bearing; Incorrect ESC settings. | Check all solder joints and wire connections. Recalibrate ESCs. Inspect motor for physical damage. Verify ESC settings (e.g., motor timing). |
| Motor overheating | Over-propped; Excessive load; Insufficient airflow; Damaged bearings. | Use smaller or less aggressive propellers. Reduce payload. Ensure adequate ventilation. Check and replace bearings if necessary. |
| Excessive vibration or noise | Unbalanced propeller; Bent motor shaft; Loose motor mounts; Damaged bearings. | Balance propellers. Inspect motor shaft for bends. Tighten motor mounting screws. Replace worn bearings. |
| Reduced thrust or efficiency | Damaged propeller; Weak battery; Motor degradation. | Replace damaged propellers. Use a healthy, fully charged battery. Consider motor replacement if significant degradation is observed. |
9. User Tips
- For optimal performance and longevity, ensure your ESC firmware is up-to-date and properly configured for brushless motors.
- Always perform a motor direction check after installation and before propeller attachment to prevent unexpected thrust.
- Consider using thread-locking compound on motor mounting screws to prevent them from vibrating loose during flight.
- When selecting propellers, match them to the motor's KV and your drone's weight for the best balance of thrust and efficiency.
10. Safety Information
⚠ For recreation use only. Illegal modification of drones/planes is prohibited. Please also pay attention to the relevant laws and regulations on the use of drones/planes in your country/area to ensure legal use.
- Always operate FPV drones responsibly and in accordance with local laws and regulations.
- Keep fingers and loose clothing away from spinning propellers.
- Disconnect the battery when performing maintenance or installation to prevent accidental motor activation.
- Never operate damaged equipment.
11. Warranty and Support
For warranty claims, technical support, or further assistance, please contact the seller or manufacturer directly. Retain your proof of purchase for any warranty-related inquiries.





