Discover the 4.5V Replacement Motor from the Technic collection - 1 pieces of building excellence.
YouTube reviews related to 4.5V motors primarily focus on vintage LEGO train systems and related sets. Content includes tutorials on converting and powering these older motors, often in the context of 12V systems, and reviews of older Star Wars sets from the 2008-2009 era, particularly by MandRproductions, though these are not specifically about the motor itself.
BrickTsar demonstrates converting a vintage 4.5V train motor to 12V, while 12VTrains explores using the 7864 Transformer to power a 4.5V motor on a 12V track. LeggoMyJamesO showcases the first LEGO train motor released in 1966.