List of Yamaha Piston Diameter

The following data piston diameter Yamaha brand.
Piston 2 stroke:

     U5 = 40 mm
     YAS1 (AS3 Twin) = 43 mm
     V80 = 47 mm
     Alpha = 50 mm
     Super L2 = 52 mm
     F1ZR = 52 mm
     Y125 Z = 53.8 mm
     RX S = 54 mm
     YT 115 = 54 mm
     Touch = 54 mm
     YZ 125 = 54 mm
     RX Z = 56 mm
     RX King = 58 mm
     TZM = 59 mm
     YZ 250F = 77 mm

Piston 4 stroke:

     Lexam = 50 mm
     Mio = 50 mm
     Mio J = 50 mm
     Mio GT = 50 mm
     Nouvo = 50 mm
     Fino = 50 mm
     X-Ride = 50 mm
     Xeon = 52.4 mm
     Majesty 250 = 69 mm
     Crypton = 49 mm
     Jupiter = 49 mm
     Jupiter Z = 51 mm
     New Jupiter Z = 50 mm
     Jupiter Z1 = 50 mm
     Jupiter MX = 54 mm
     Vega = 49 mm
     New Vega R = 51 mm
     Vega ZR = 50 mm
     Vega RR = 50 mm
     Force = 50 mm
     Vixion = 57 mm
     Byson = 58 mm
     Scorpio = 70 mm
     YZF R1 = 78 mm