This metal pull start is most commonly (but not exclusively) associated with the the Odes 400cc ATV series. This is a 4 bolt mount metal pull start. Often referred to as a recoil. Approximate dimensions:
Outside Diameter: 126.4mm
Thickness: 37.3mm
Mounting Hole (centre-centre diagonal): 140mm
Mounting Hole (centre-centre diagonal): 110mm
Bolt Hole: 6.6mm
Manufacturer PN: 179F.3.1