Clutch a bit stiff in it's operation, or juddery whilst engaging? A complete clutch overhaul may be the answer? Replacing the springs when overhauling the clutch should be considered essential. They may look O.K, but you will feel the difference of new springs with a sharper smoother take up, with no annoying judder! Take a look at the online schematic for your model, this will help you put together a 'shopping list' of all the items required, including plates, friction discs, clutch springs, gaskets and seals; maybe even a new cable to ensure smooth operation?