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JP Hobby MT-4250-10S 42mm 1250Kv Motor


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JP Hobby

JP Hobby MT-4250-120 42mm 1250Kv Motor 10s

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Data sheet

Length (mm): 50 mm
Weight (gr): 290 gr
No. of Magnet Poles: 12
Turns/min/Volt (Kv): 1250
Motor Type: Out-Runner
Motor Diameter (mm): 42
Shaft diameter (mm): 6
Power (Watts): 4960 W
Max Intensity (A): 130 A
Battery Cells: 10s - 37v

More info

JP Hobby MT-4250-10S 42mm 1250Kv Motor 10s


This JP Hobby 12 poles outrunner motor can be used as a replacement for the JP Hobby 90mm EDF 10S unit for or for any other application.


  • Model: MT-4250-10S
  • Max Amps: 130A
  • Max voltage: 37v
  • Max Power: 4960W
  • KV(RPM/Volt): 1250
  • Motor Poles: 12
  • Resistance: na
  • No-load Current (15v): na
  • Diameter×Length (mm): Φ42×50
  • Dynamic Balance Weight: 0.01mg
  • Mounting hole depth: nc
  • Length of extend Shaft : na
  • Shaft Diameter (mm): Φ6.0
  • Weight: 290g

Warning: Operating the motor outside of the specifications listed above can either damage the motor, battery or esc. It is important that these components are set up properly. Failure to do so can void the warranty. It is strongly encouraged to use a Watt Meter to test the watt and amp performance when setting up a new system. If the output is above the factory recommended specs, then it needs to be adjusted by the esc. The timing and throttle settings on the esc can help to set the appropriate levels.

Warning: Screws that are too long can short out the windings resulting in a cooked motor, this is not covered by warranty


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JP Hobby MT-4250-10S 42mm 1250Kv Motor

JP Hobby MT-4250-10S 42mm 1250Kv Motor

JP Hobby MT-4250-120 42mm 1250Kv Motor 10s