Reparations Repair of variable speed drive PIV GA22 By Fabio Villa 4 May 2017 4 May 2017 repair of piv, repair of variable speed drive, variable speed drive, variator Model: PIV GA 22 Year of construction : 1980 Intervention: Replacing of conical discs, bearings and chain. Final result: Restored like new. Warranty: 12 months Repair of variable speed drive PIV MAG 1 Repair of variable speed drive PIV A0 – FV