Indicator Lens…? Am I Being Thick???

Discussion in 'Technical Help' started by MattGaydon, Jul 15, 2021.

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  1. MattGaydon

    MattGaydon Noble Member

    Jun 11, 2015
    1,081
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    Godalming
    I usually pretty stupid when it comes to doing bits on the bike but this is taking the p*ss…!

    I accidentally destroyed one of my indicator lenses so am replacing…but it feels dead loose when I pop it on!

    Am I missing something?? Should it be glued on?? But then how do you get it off again?

    Any tips would be greatly appreciated!
     
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  2. Iceman

    Iceman Crème de la Crème

    Apr 19, 2020
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    Hi Matt what model and year is your machine as the indicators do vary
     
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  3. Cyborgbot

    Cyborgbot Guest

    Photos would help. :)
     
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  4. MattGaydon

    MattGaydon Noble Member

    Jun 11, 2015
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    • Agree Agree x 1
  5. andyc1

    andyc1 Lunarville 7, Airlock 3

    Feb 4, 2017
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    I really dont know but it should be designed to come off if its not LED, how else could you change the bulb? It might be in the manual come to think of it?
     
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  6. MattGaydon

    MattGaydon Noble Member

    Jun 11, 2015
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    It’s designed to screw on and off but getting it off was near impossible and then once screwed back on it still feels super loose. Like it’ll come free when riding!
     
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  7. andyc1

    andyc1 Lunarville 7, Airlock 3

    Feb 4, 2017
    2,925
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    Bit of plumbers tape maybe? Silicone would be good but probably too permanent if you ever need it off again.
     
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  8. Cyborgbot

    Cyborgbot Guest

    Looks a bit like a bayonet type fitting with those notches - being a lens and designed to focus light in certain ways, I wonder if it has to be on a very specific way to focus the light properly.

    try putting it on, if loose take off and rotate a bit and try again, etc. If it’s correct maybe it will be tight.

    I don’t know what I’m talking about.

    SQUIRREL!
     
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  9. andypandy

    andypandy Crème de la Crème

    Jan 10, 2016
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    Can you see any damage to the base ?
    You can compare it to the other side. But don't damage it when taking the lens off.
     
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  10. RevPaul

    RevPaul Senior Member

    Apr 21, 2020
    686
    193
    Cheshire, UK
    Hi Matt

    Worry not, I found getting the lenses off really hard and harder still putting them back on after I'd changed the lenses for Triumphs clear lens kit. First time I tried I couldn't get the lens to stay secure.

    My street cup uses the same indicator lenses as your Thruxton and the T100/T120 if we're talking after 2016.

    The lenses use a bayonet style lock; as you you've probably found taking them off its about a quarter turn anti clockwise and is really tight, I was worried I'd break the stem getting them off and putting them back.

    Putting a new lens back on is the reverse of getting a lens off, so once you've got a lens off look at the "thread" on the edge of the lens and you'll see how it works.

    For me and my feeble grip, I found that a small strap wrench (or if you've got one in the kitchen, one of those strap gadgets to loosen stuck jam jars) wrapped around the bottom edge of the lens, gave me the extra leverage I needed to safely twist the lens back on past the locking / catch point. That way I could support the stem while twisting the lens and not snap the whole indicator off.

    Triumph were definitely paranoid about losing lenses when they designed that.

    Hope that helps. :)
     
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  11. MattGaydon

    MattGaydon Noble Member

    Jun 11, 2015
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    Thanks chaps will see how it goes again tomorrow!
     
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