Harder clutch springs Puch Maxi, 3 differend hardnesses included

Clutch spring set to reinforce the clutch on your Puch Maxi with an E50 automatic engine. If you have a tuned Maxi E50, you can now get plenty of power right from the start. Blue spring - 3.85 kg/mm 1000-1500 rpm Yellow spring - 9.0 kg/mm 2500-3500 rpm Red spring - 14.4 kg/mm 4000–6000 rpm (Original has approx. 3 kg/mm)