'56 Tiger 100 Clutch

Discussion in 'Vintage Classics' started by typeo123, Feb 26, 2024.

  1. typeo123

    typeo123 Member

    May 25, 2017
    39
    18
    Berkshire, UK
    I have a '56 Tiger 100 which I've noticed the gears grind when selecting from a stand still. I've removed the primary cover and checked the adjustment on the springs to make sure the plates are level, plus checked the clutch lever adjustment at the gearbox end which doesn't seem to have resolved the issue. The plates appear OK but as they have probably been on the bike for some time now I was going to replace them, and possibly the basket too if there is wear on that.

    Would anyone have any recommendations on suppliers of quality replacement clutch plates? Or any other suggestions on things I should check?
     
  2. speedrattle

    speedrattle Senior Member

    Feb 19, 2021
    1,128
    243
    appalachia usa
    are the grooves in the basket scalloped? that can prevent the plates from sliding in and out freely
     
  3. typeo123

    typeo123 Member

    May 25, 2017
    39
    18
    Berkshire, UK
    I'll check that when I dismantle it again. If it is worn and I replace it, should the plates be replaced at the same time or re-use the existing plates if not worn? It's not a huge expense to just replace the lot whilst I have it apart. Any recommended suppliers of quality replacements?
     
  4. speedrattle

    speedrattle Senior Member

    Feb 19, 2021
    1,128
    243
    appalachia usa
    if the wear isnt too bad you can extend tbe life of both the basket and the plates a bit by filing.

    smooth out the scallops in the bssket and hub. it will make the slots wider which will wear again, but youll get some more life out of them.

    on the plates the inner and outer tabs will be mushroomed over. file them until theyre square.

    if theyre too far gone replace both the plates and the basket. the front sprocket lasts quite a long time but have a look at the primary chain
     
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  5. speeder

    speeder Noble Member

    Jan 3, 2019
    408
    313
    dorset
    All the points in the previous post are correct, Regarding replacement parts, l bought plates etc from "britbits" in Christchurch as they are local to me and they have been fine for hundreds of miles.
     
  6. Iceman

    Iceman Crème de la Crème

    Apr 19, 2020
    2,319
    1,000
    Lancashire
    I know you say you have checked the springs for adjustment, however what needs to be done is the following, with the primary cover off, remove the spark plugs and whilst kicking the engine over you can see if the clutch is running true, if not then just adjust the springs one at a time until it runs true, even measuring the clutch springs with a micrometre in situ will not show you if the clutch is running true. I would also recommend using ATF fluid in the chain case, remember it is only there to lubricate the primary chain and not the clutch. If you do want to replace the clutch plates then consider using an SRM clutch, this offers 1 finger operation on the clutch lever, with super smooth gearchanges. Hope this helps and ride safe all from an ageing Rocker.
     
  7. typeo123

    typeo123 Member

    May 25, 2017
    39
    18
    Berkshire, UK
    Thanks. Not too far away from me so will get a parts list and contact them.
     
  8. typeo123

    typeo123 Member

    May 25, 2017
    39
    18
    Berkshire, UK
    Thanks. Yes that's the method I used to adjust the springs. I have heard of ATF being used in there so will take a look at that. Not heard of the SRM clutch though so will also investigate that as sounds like it will be nicer to use on longer rideouts.
     
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  9. Iceman

    Iceman Crème de la Crème

    Apr 19, 2020
    2,319
    1,000
    Lancashire
    Hi Typeo, here are a few photos of the SRM clutch, I fitted this to a 1956 I restored, I wanted to keep the original clutch, however to make the machine fit for modern traffic, I opted for the SRM unit.

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    IMG_0414.JPG
     
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