Here‘s a brief explanation. The clutch sits on the back belt pulley and rotates with it. When enough rpm‘s are reached, centrifugal force moves clutch plates apart to mesh with the clutch basket which in turn transfers power to the gear box.
The „2G EVO“ rocks! Since coming on the market, the newest coup from POLINI has been setting new standards in the clutch business. Their patented system is a revolutionary advancement - promising to turn clutch technology upside down! Real deal! Racing model from the `98 racing season, 2 clutch shoes, 2 clutch springs, load on compression instead of traction, increased spring durability, variable spring pre-load adjustment, well made, 2 different spring weights included.
SIP TIP! New clutch nuts, clutch positioning tools, quick cleanser.
German Scooter Magazine MOTORETTA May/June 2002: „2 sets of different weight springs with variable adjustment through adjustment screw in the pre-load. Simple adjustment from the side using a small screw driver“.