Unite OEM motor flat back plate true 800W 1.1 HP 29.2 Amp Motor MY1020 800W 36V f Razor Go Kart X-Treme Minimoto Chain drive (11 teeth sprocket) #25 chain 6.35 pitch - Type of motor: DC, Brush - Reversible - 12 gauge leads - Permanent Magnet Dimensions: - Diameter: 4 1/4" - Length (no shaft): 5 1/4" - Length (with shaft): 6 1/4" This motor should also work with other Xtreme or Razor electric scooter, mini bike or go-kart using a 800W 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. Please ask us if you need to know any specific dimensions for this motor so you can be sure it will work for you.