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Bronze clutch plates

Discussion in 'Norton Commando Motorcycles (Classic)' started by htown16, Apr 5, 2019.

  1. bill


    Jun 1, 2003
    yea BUT part of the plus on the belt is to get rid of weight in the primary also the bronze plates are hard on the center hub. i will stick with sacrificing the frictions with the barnetts. I have also seen the bronze plates squak of they are to clean and dry.

    ludwig likes this.
  2. jbruney


    Jan 5, 2019
    I seldom, if ever, really stretch my 850 to it's limit these days, so the additional weight and mass don't affect much on the performance or longevity. As long as the plates continue to work well I'll keep them, if they do happen to degrade then I'll most certainly install a set of the Barnett plates.
  3. tricatcent


    Jul 30, 2009
    If your bronze plates do start to slip, instead of taking it apart and cleaning it, just do a few starts in third gear. Slip the clutch a lot and it will clean it right up as good as new.
  4. ashman


    Jul 11, 2010
    My bronze plates worked well with my dry belt when I was running it, but they do bite a bit quicker so when first installed you will notice that but it don't take long to get use to it, I had two years of no problems with my belt drive then one day my outer guide plate just blew to pieces from the belt trying to run off, I had two adjuster for the gearbox and had to replace the belt it was wearing the belt outer edge down, after many attemps to fix this problem I gave up and went back to chain drive and have had no problems since, the belt drive will be going on my Manxman caferacer build, the amount of miles I was doing on my Norton I couldn't afford to be stuck out in the middle of nowhere with a blown belt or guide plate and no phone coverage.
    I found no differents to running a belt or chain, the belt gearing was a little bit higher but not much differents at all, the chain is more forgiving and the next step when the triplex chain wears out I be putting a duplex chain on from the chain man.


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