Kickstart castle washer for Minarelli/ Yamaha Aerox engines.

Has a more pronounced castle than standard so is much harder wearing.

• Yamaha Aerox 50
• Yamaha Jog (all)
• Yamaha Neos 50 (2-stroke)
• Yamaha BWS 50cc
• Yamaha Slider
• MBK 50 (all)
• Malaguti 50cc F10,F12,F15
• CPI 50cc
• Keeway 50cc