Electric Starter Motor compatible with HONDA Engine models: GX610 GX620 GX630RH GXV610 GXV620 Features: Mounting hole in mm: 66,00 Overall length in mm: 182,20 Flange length in mm: 146,80 Number of teeth: 10 Direction of rotation: counterclockwise Voltage in Volts: 12,00 Ø external in mm: 78,30 code: 31-139 original code: HONDA 31200-ZJ1-004 31200-ZJ1-A0040 31200-ZJ4-003 CZ