From a running engine. and you could possibly get your buying privilege suspended.
2015 Scooter Huzhou Icebear Daixi 50 Engine Motor Oil Line Hose Tube Head Head
MYFULLY 24V DC 350W Brushed Permanent Magnet Electric Motor Generator Small Electric Scooter DC Motor 2800RPM for Electric Scooter Drive Speed Control, E-Bike, Wind Turbine PMA Generator (350, Watts)
NATGAI 24V 350W Brushed Permanent Magnet Electric Motor Generator | Small Brushed Electric Scooter Motor for E-Scooter Drive Systems, E-Bike Conversion, and Wind Turbine Applications(2800RPM) (350W)
NXYHZ Mi M365 M365Pro Electric Scooter Pro Accessories Front Wheel Motor 36V Mi Scooter Motor Hub Pulley(250W)
24/36V 250W Brushless Motor Regulator Speed Controller Scooter E-Bike Electric Scooter Controllers