For 125cc & 150cc engines found on scooters / quads / go carts & more
Not sure of model number : look on Ares near KickStart it should have
engine number stamped into case.

Botain 125cc BT-125T - 9 - 2 - 5 CHINESE QUADS & MORE

Measurements :

Spare Parts #: GY6-125 Description: Start Motor for 125-150cc Engine of GY6 Engine on  ATV /SCOOTER (2 bolts, rear welded plate) Spec: Bolt Hole Centre Distance -- 78mm          Bolt Diameter -- 7mm            Start Motor Main Gear Shaft Diameter -- 11.5mm            Start Motor Main Gear Shaft Length (Extension) -- 18mm            Start Motor Connection Platform Size -- 30mm (dia) x 16mm          Start Motor Shaft Gear Teeth --9T          Plug Pin -- 1 pin This spare parts to be used on HONDA GY6 125cc-150cc engine on the ATV , scooters & buggies such as GT150FR, GT150FA, LC150M ATV comes complete with electric lead wiring