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Extra 300 motor mount for a Monster Power 15 & 25

Price: $15.99
  • Model: A100010
  • Units in Stock: 47
  • Manufactured by: Custom RC Parts

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The Custom RC Parts designed motor mount for the Extra 300 allows you to install a Monster Power 15 or 25 on your plane.

It is CNC machined out of 6061-T6 billet Aluminum.

All fasteners are included.


6061-T6 Aluminum.

Anodized black.

16mm X 25mm slots for 3mm fasteners.

14.0mm clearance hole.

Designed for motors with an operating length "F" of 53mm.

Weight: 14g

Turnigy SK3548-900
Turnigy SK3548-1100
Turnigy C3548-800
Turnigy C3548-900
Turnigy C3548-1100
Monster Power 15
Monster Power 25

ParkZone Extra 300

1. Install the motor on the motor mount using the 4, M3-.5 X 6 fasteners. Screw the fasteners in until they contact the motor mount then back them out a quarter turn. Ensure that the collar on the motor is centered in the clearance hole in the motor mount. Now tighten the fasteners. Once the motor is secured to the mount, spin the motor to make sure that there are no interferences. It’s a good idea to use a little Loctite on the threads.

2. Install the motor and mount on the plane using the #4 X 1/2” fasteners. I like how the fasteners have more engagement than the stock fasteners, but you can reuse the stock fasteners if you like.
CAUTION: You are installing fasteners into plastic. Do not over tighten the fasteners.

3. Route the wires through the firewall.

4. Install the cowl and check for interferences.

5. Install the prop adapter and prop and you are all set!

6. As with any change to your plane, before flying ensure that the center of gravity is correct!