This clutch allows for adjusting the spring's preload without having to take the whole clutch off. You only have to remove the clutch bell. This principle was developed by Hebo and they now have redesigned their adjustable racing clutch. This clutch is equipped with very durable linings that are ideal for daily use with sport engines. Comes with 2 sets of clutch springs in different strengths.
ATTENTION! Since 98, Minarelli engines (Aprilia, Yamaha) come with new clutches. Please check whether your clutch has two or three shoes. As an alternative, you can measure the inner diameter of the clutch bell, which should be 105mm (2-shoe-clutch) or 107mm (3-shoe-clutch).