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Firma Brushless Motor, 1250Kv: 6.5mm Bullet
  • Overview
  • Specs
  • Reviews
  • Parts & Accessories
  • Manuals & Support

Key Features

  • Perfect upgrade for the ARRMA Limitless Speed Roller
  • Hgh Efficiency Design
  • High-quality 4-pole sintered rotors
  • Includes 6.5mm gold plated bullet connectors
  • Precision ball bearings and hardened steel 5mm shaft


Perfect option for larger scale models looking to run a 8S Lipo powered setup. Low cog 4-pole 8-magnet rotor design, CNC machined aluminum housing, insulated high purity copper windings, high-quality alloy steel 5mm output shaft, and high-precision bearings for high durability and smooth rotation. Preinstalled with 6.5mm gold plated bullet connectors. Perfectly matched to the Firma 160 Smart ESC.

Needed to Complete
  • Electronic Speed Control such as the Firma 160 Smart ESC
What's in the box?
  • Spektrum Firma 4985-1250Kv Sensorless 1/7-1/5 Brushless Motor with 6.5mm Gold Plated Bullet Connectors
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Compatible Products

Spektrum Firma Brushless Motor, 1250Kv: 6.5mm Bullet SPMXSM1200 is compatible with ARA110002T1, ARA110002T2, SPMXSEMC06
Bushing Or Bearing: Bearing
Cells: 4-8 cell LiPo
Connector Type: 6.5mm Bullet
Efficiency: 90%
Input Voltage: 12-35.2V
Maximum Continuous Current: 180A
Motor Type: Brushless
Number of Poles: 4
Outer Diameter: 1.9 in (49mm)
Output: 6300W
Overall Length: 3.3" (85mm)
RPM/Volt (Kv): 1250Kv
Recommended Speed Control: Spektrum Firma 160 Smart ESC
Shaft Diameter: 3/16" (5mm)
Weight: 26.1oz (740g)
Wire Gauge: 10 AWG

Optional Accessories

$139.99  $129.99
In Stock
$219.99  $199.99
In Stock
$219.99  $209.99


Product Support Tips

Product Support

Technical questions about this Spektrum product should be directed to Horizon Hobby's Product Support Department:

Horizon Hobby, LLC.
ATTN: Product Support

2904 Research Road
Champaign, IL 61822

To place a Horizon Hobby Support Inquiry please visit our Inquiry Form Support Phone:(877) 504-0233
Fax:(217) 355-1552

Sales Support

If you would like to purchase this product, please go to the Store Locator or contact the Horizon Hobby Consumer Sales Department:

Horizon Hobby, LLC.
ATTN: Consumer Sales

2904 Research Road
Champaign, IL 61822
Email: Sales Phone:(800) 338-4639
Fax:(217) 355-1552