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Brushless Outrunner Motor EMP 4250 800kv

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EMP brushless outrunner motor

42.5mm diameter

50mm length

Availability: In stock

£19.99

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Product Description

Brushless Outrunner Motor EMP 4250 800kv


Comes in anodised RED with spare prop shaft and grub screw. Also comes with alan key (for the grub screw) and 3 x 3.5mm gold connectors male and female.


The EMP brushless motor range is always lightweight but with excellent quality, high efficiency and high load capability.


These motors can be low kv, large torque and direct drive.


The motor covers are made especially with heat conducting slots and are designed to cool off the motor for long periods of use.



  • 800kv

  • 1010watts

  • 6 winds

  • 5mm shaft

  • 210g weight


The EMP 3548 works well with:



Brushless Outrunner Motor EMP 4240 890kv. Get it while stocks last!

Technical Specification

Motor Diameter (mm) 21-30
Kilovolts (Kv) 1001 - 2000
Inrunner/Outrunner Outrunner
Brand EMP
Dimensions 28mm Diameter 26 mm Length