The variator is very easy to fit and very easy to personalise. It is designed down to the smallest detail separately for each application. With a variator like this the scooter runs at higher revs with a liveliness and a willingness on the throttle that you would never have had with the genuine variator. That is exactly what Malossi's engineers set out to achieve. The kit contains 2 clutch springs. the yellow spring is recommended for the 150cc and the white one for the 125cc The kit includes : A variator body A variator cover A variator pin – spacer 3 Slides Rollers – weights 19 x 15,5 (6 pieces) 12gr A white clutch release spring There is complete cover on every part – spare separately at economical prices for maintaining the kit from normal wear or a change to rollers of different grams. 1 year warranty.