There is nothing wrong with the stock bronze plates after 43 years I am still running my orginal plates with over 160k on them, I have done lots of burn outs in my younger days, had slipping clutch in the early days but after not using motor oil in the primary no more slipping, but of course you have to pull them out yearly for maintenance for cleaning etc, I have run them dry with belt drive but now gone back to chain primary, have only replaced the clutch centre in the last 5 years for the first time and replaced the pressure plate a few years before that, my clutch has always been light and my gears change with a light click.
I only fill my primary with 7 fl oz of tranny type F oil, never over fill my gearbox and have never had gearbox oil migrate down the clutch shaft but I do put grease on my clutch rod and I have never had to restact the plates they are still all orginal bronze and steel plates.
The secret to long life of my clutch is do the maintenance when needed, don't over fill primary or gearbox and my gearbox was only rebuilt once back in 1979 when the lay shaft bearing blew.
So for the OP just pull your clutch apart and give it a good clean look for wear on your clutch centre, make sure your pressure plate is good and adjust the right amount for your cable and put a dab of grease on the lever pivot and adjuster and make sure your cable runs freely without any kinks in it, should be a very light feel on the lever.
Good luck with it.
Ashley