24 Volt 500 Watt MY1020 Electric Motor with 11 Tooth #25 Chain Sprocket
Purchased from eBay for $50 (August 2014) with this description/specs: New MY1020 type replacement motor with mounting bracket for electric scooter, mini bike quad and Go-Kart.
This motor should work with some Xtreme or Razor electric scooter, mini bike or go-kart using a 500W motor. Should also work with any other brand with similar specs in motor Please check connector type and motor size and specs. before buying as replacement.