Minarelli horizontal variator MBK Nitro, Aerox (Euro 4) 50 4 Polini

Variator Polini Minarelli horizontal Euro 4 50cc 4T

New engine transmission complete pulley adaptable for scooter 50cc 4 time MBK Nitro, Yamaha Aerox et Neo's since 2009.

This variation kit includes

• 1 x mobile pulley
• 1 x flask
• 1 x shuffleboard
• 1 x center ring (smooth barrel)
• 3 x plastic sliders
• 1 x washer
• 1 x thrust spring
• 3 x clutch springs

Technical characteristics and dimensions of the vario

• Mark: Polini
• Manufacturer no .: 241.746
• Material: steel and aluminum
• External diameter of the drive: 95 mm
• Outside diameter of the ring: 20 mm
• Inner diameter of the ring: 13 mm
• Ring length: 38 mm
• Outer diameter of rollers: 16 mm
• Pebble Thickness: 13mm
• Rollers of mass: 4,9grammes
• Hardness of the push spring: 34kg