DESCRIPTION: 101 Octane starter motor for Piaggio 2-stroke scooters and Kymco and SYM 2-stroke scooters.Fits the following models with 2-stroke engines:Aprilia:Mojito 50, SR50, Scarabeo 50, Sport City One 50Derbi:Atlantis 50, GP1 50, Predator 50Kymco:DJ 50, Fever 1 50, Fever 2 50,Peugeot:Speedfight 1Piaggio:Fly 50, Liberty 50, Typhoon 50SYM:DD50Vespa:ET2 50, LX/V 50, Primavera 50, 5 50, Sprint 50Made in Taiwan!Bolt Hole Spacing: 60mmShaft Length: 9mmShaft Diameter: 7.5mmDiameter (behind o-ring): 24mmNumber of Splines: 11Made in TaiwanPiaggio, Vespa