MBK 51 / AV88 drive ... AV7 and AV10 motor Fifty

Complete ball drive MBK 51, AV motorized motor 88 ... AV7 and AV10 motor

New engine transmission complete pulley suitable for moped, moped 50cc MBK 51 Club, Evasion, Magnum, Rock and 881 Motobecane, 78 AV, 88 AV, 89 AV ...

This variation kit includes

• 1 x clutch bell
• 1 x clutch plate
• 1 x pair of clutch jaws
• 1 x Variator bush
• 1 x dimmer ball support
• 1 x flask
• 1 x variator drum

Technical characteristics and dimensions of the vario

• Mark: Fifty moto parts
• Materials: steel and aluminum
• Flange Outer Diameter: 96mm
• External diameter of the bell: 134 mm
• Inner diameter of the hub: 18 mm
• Total thickness: 65 mm

The variator acts as an automatic gearbox and works thanks to the system of the force centrifugal: masses (called pebble ou flyweights) of different weights slide down the slopes of the movable cheek of the variator, changing the stroke of the belt in order to permanently transmit the optimum power to the clutch.

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