Stage6 Racing MKII Piston kit with 12mm pin.

This fits all Stage6 MKII Sport Pro and Racing 70cc cylinder kits with 12mm gudgeon pin i.e. Piaggio or Minarelli with oversize crank.

You can check which grade piston you need by checking your cylinder or old piston, they will both be marked either AA, BB or CC.
The vast majority are grade AA... grades BB and CC are very slightly larger and designed to accomodate precise manufacturing tolerances.

Stage6 S6-75KO02.AA, S6-75KO02.BB, S6-75KO02.CC

• MBK Nitro 50
• Yamaha Aerox 50
• Yamaha Jog (all)
• Yamaha Neos 50 (2-stroke)
• Malaguti 50cc F10,F12,F15
• Aprilia SR50 '03 onwards (Piaggio engine)
• all Piaggio/Gilera 50cc 2 stroke mopeds (liquid cooled)
• all Piaggio/Gilera 50cc 2-stroke mopeds (air cooled)
• MBK Ovetto 50
• Derbi GP1 (01-05)