YELLOW VARIATOR ADJUSTER SPRING ext.Ø 52,6x81mm thread Ø 4,3mm 7,6k Make Model APRILIA APRILIA SCARABEO 100 2T for Multivar and original variator - rigidity increase compared to original spring: +5% BENELLI BENELLI K2 100 2T for Multivar and original variator - rigidity increase compared to original spring: +5% ITALJET ITALJET MILLENNIUM 100 2T for Multivar and original variator - rigidity increase compared to original spring: +5% MBK MBK BOOSTER 100 2T for Multivar and original variator - rigidity increase compared to original spring: +5% MBK MBK NITRO 100 2T for Multivar and original variator - rigidity increase compared to original spring: +5% MBK MBK OVETTO 100 2T for Multivar and original variator - rigidity increase compared to original spring: +5% YAMAHA YAMAHA AEROX 100 2T for Multivar and original variator - rigidity increase compared to original spring: +5% YAMAHA YAMAHA BW'S 100 2T for Multivar and original variator - rigidity increase compared to original spring: +5% YAMAHA YAMAHA NEO'S 100 2T for Multivar and original variator - rigidity increase compared to original spring: +5%