Power your RC aircraft with the genuine Spektrum Avian SPMXAM4670 4240-800Kv Outrunner Brushless Motor. Designed for sport and 3D fixed-wing airplanes, this motor delivers smooth acceleration, reliable power, and efficient cooling. Its lightweight design and precision-balanced motor bell make it a great choice for new aircraft builds, electric conversions, and replacement applications.
Features
Genuine Spektrum Avian brushless motor
4240-size outrunner design
800Kv rating
14-pole stator for smooth power delivery
Rare-earth neodymium magnets
Double-shielded sealed bearings
Precision-balanced motor bell
Gold-plated bullet connectors
Includes aluminum motor mount and propeller adapter
Designed for sport and 3D fixed-wing RC aircraft
Specifications
Brand: Spektrum Avian
Part Number: SPMXAM4670
Motor Type: Brushless outrunner
Motor Size: 4240
Kv Rating: 800Kv
Pole Count: 14
Recommended Voltage: 11.1–18.5V (3S–5S LiPo)
Maximum Burst Power: 740W
Maximum Continuous Power: 592W
Outer Diameter: 42mm (1.67")
Motor Length: 40mm (1.57")
Shaft Diameter: 5mm (0.19")
Weight: 125g (4.4 oz)
Connector Size: 3.5mm bullet
Recommended Propeller Range: 10×5 to 13×8
Recommended ESC: Spektrum Avian 45A Smart ESC
Package Includes
1 × Spektrum Avian 4240-800Kv brushless motor
Aluminum motor mount
Propeller adapter
Motor connector hardware
Recommended Applications
Sport airplanes up to approximately 7.9 lb
3D airplanes up to approximately 3.9 lb
Compatible electric aircraft conversions
Important: ESC, battery, and propeller are not included unless otherwise stated. Confirm motor mounting dimensions, battery voltage, propeller selection, and ESC ratings before installation.
Please verify your aircraft requirements and part number before ordering.