Gikfun DC 3V-6V 140 Motor 2000 RPM for DIY Electric Toy Car Ships Small Fan Arduino (Pack of 10pcs) EK2153x10U

Work nice great seller

Tested at 3v smelled burning.Tested at 4v Smelled burning.Tested at 5v smelled burning.Tested at 6v smelled burning.All tests were done without any load and i tested to see if it was maybe just some oil in the shaft and if it would clear after leaving them run for a bit......nope they just smell worse and eventually fizzle out.