![Why do Power Functions motors need internal gearing - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums Why do Power Functions motors need internal gearing - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](http://www.brickshelf.com/gallery/brdavis/PowerFunctions/xlpfe.jpg)
Why do Power Functions motors need internal gearing - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
![VMKNRO 7PCS Power Function Motor Set Power Motor Set Science and Technology Power Function Kit Remote Control Motor Kit Compatible with Lego Technic VMKNRO 7PCS Power Function Motor Set Power Motor Set Science and Technology Power Function Kit Remote Control Motor Kit Compatible with Lego Technic](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51Y4uv1LPAL._AC_UF894,1000_QL80_.jpg)
VMKNRO 7PCS Power Function Motor Set Power Motor Set Science and Technology Power Function Kit Remote Control Motor Kit Compatible with Lego Technic
![Amazon.com: LEGO Technic Power Functions Motor Set 8293 (10 Pieces) (Discontinued by Manufacturer) : Toys & Games Amazon.com: LEGO Technic Power Functions Motor Set 8293 (10 Pieces) (Discontinued by Manufacturer) : Toys & Games](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81nbOSavkeL.jpg)