Firma 4274 2250Kv 4-Pole Sensored Brushless Motor: 5mm

Spektrum - Item No. SPMX-1046
3.7 out of 5 Customer Rating
RC Club points earned on this item shown at checkout.

(1) Spektrum Firma 4274 2250Kv 4-Pole Sensored Brushless Motor

(1) Product Manual

Designed for SPMXSE2130S - Firma 130A Black Edition Sensored Brushless Smart ESC

Spektrum Firma 4274 2250Kv Sensored Brushless Motor Overview

The Spektrum™ Firma™ 2250Kv Sensored Brushless Motor is the perfect option for 1/8th scale buggies or truggies with a 3S-6S LiPo. Featuring a 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 precision bearings for durability and smooth rotation. Perfectly matched for the Firma 130 Smart Sensored ESC (SPMXSE2130S).

Spektrum Firma 4274 2250Kv Motor Features

  • Sensored design allows fine control at all speeds
  • Perfect upgrade for 1/8th scale racers and bashers
  • High efficiency design
  • 3S-6S LiPo power capable
  • High-quality 4-pole sintered rotor
  • High-quality construction with precision ball bearings and hardened steel 5mm shaft


Outer Diameter
1.6" (41 mm)
1/8 Truggy and Buggy (Recommended with SPMXSE2130S ESC only)
Number of Poles
Product Weight
12.7 oz (360g)
Shaft Diameter
0.19" (5 mm)
Bushing Or Bearing
RPM/Volt (Kv)
Shaft Length
0.73" (19 mm)
Input Voltage
3S - 6S
Motor Output Lead
Solder tabs
Recommended Speed Control
Motor Type
Brushless Sensored
Motor Size
Product Length
2.9" (74 mm)