Yamaha/MBK engine set (vertical) 2T 80 cc -47 mm

Aprilia Amico 50 AC
Aprilia SR 50 (until 1993 - vertical cylinder)
Italjet Track 2 AC
Italjet Track AC
Italjet Scoop AC
Italjet Yankee AC
MBK Booster 12" 50 AC (starting with year 04)
MBK Booster 50 AC
MBK Booster 50 NG AC
MBK Booster Naked AC
MBK Booster Rocket 50 AC
MBK Booster Spirit 50 AC
MBK Booster Track 50 AC
MBK Sorriso AC (until 1995)
MBK Stunt 50 AC
MBK Target AC
Rex Escape AC 2 stroke
Rex Rex AC 2 strokes
Rex Rexy AC 2 strokes
Rex Silverstreet AC 2 stroke
Yamaha BW's 12" 50 AC (since 2004)
Yamaha BW's 50 AC
Yamaha BW's 50 NG AC
Yamaha BW's Bump 50 AC
Yamaha Beluga AC
Yamaha Slider 50 AC
Yamaha Spy
Yamaha Zuma AC
Yamaha Zuma II AC