Front headlight unit question

[Dead Eye]

[quote author=Gnasher link=topic=7355.msg70568#msg70568 date=1366397102]
[quote author=darrsi link=topic=7355.msg70563#msg70563 date=1366395974]
cos my light unit is still buzzing and my thingamajig isn't even there  :groan

Check the front indicators where they go through the firing the biggest cause of buzzing. 

The other is the cone and H1 blub.  Heat from the bulb turns the back of the reflector into chalk disintegrating the back of the lens which isn't made of metal.  This is the cause of the cone coming loose and the blub will start to oscillates in it's mounting = buzzing, eventually the entire back of the reflector collapses.  Daytime use of low beam accelerates the damage and there is no practical/easy way of stopping it that I know of, tell tale sign is dust in the light unit. 
 
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My reflector is starting to melt behind the bulb. Will removing the cone exacerbate the problem of the damage caused by the heat from the bulb on reflector? The MOT station I had the bike tested at had what I think was a light testing unit (a red box type device at about headlight height with a circular glass surface on the front). If this is the case, will it fail on the spread of the beam without the cone?
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As far as I can tell, removing the stupid metal thingy should actually help prevent excess heat buildup. At the moment, it's reflecting most of the light backwards on to the reflector panels, if you remove the metal piece that will no longer happen as much, the beam will be altered but so far not a single person has had any issues with this on the MOT tests whereas there are multiple confirmations where bike have passed. I'd suggest trying to remove it carefully and if you want to pop it back in then do so. Its far from a permanent mod