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Headlight question

 
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bimotacarbon



Joined: 09 Nov 2008
Posts: 352
Location: Apeldoorn, the netherlands.

PostPosted: Sun Feb 12, 2012 3:44 pm    Post subject: Headlight question Reply with quote

Hi, my bike is stripped and i am changing a lot of parts to make it look better.
The next thing is the headlight...i wan't to change the headlight for l.e.d. H4 twin beam hi/low.
Now my question is, does anyone know how to put a h4 in the original unit or is there a different unit ( h4 ) from a different bike...which will fit in the headlight unit.

All help is welcome,
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History: gilera gfr 125 sp, gilera sp01,suzuki rgv250, BIMOTA sb8 r special,suzuki gt 250/380, ducati 750 ss Bimota bb1, bimota sb6 R Special ( i know, no official version...but who cares Smile current: none Sad
Future: BIMOTA SB6R 25th anny
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fearenside



Joined: 20 Feb 2012
Posts: 4
Location: Australia

PostPosted: Mon Feb 20, 2012 11:25 pm    Post subject: Reply with quote

It is possible to put h4s into the original headlight shell. The fit is quite good. You just need a method to hold it in place. An ellegant solution is to devise a clip. I just wired it in. Loop a legth of wire and twist the ends together. It can not be seen when in place. The Halogen bulbs have not surcomed to the vibration and are much better. The bulbs are not in a set position determined by the tags on the disc part of the bulb so make sure you get it dipping in the right direction.
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fearenside



Joined: 20 Feb 2012
Posts: 4
Location: Australia

PostPosted: Mon Feb 20, 2012 11:34 pm    Post subject: Reply with quote

It is possible to put h4s into the original headlight shell. The fit is quite good. You just need a method to hold it in place. An ellegant solution is to devise a clip. I just wired it in. Loop a legth of wire and twist the ends together. It can not be seen when in place. The Halogen bulbs have not surcomed to the vibration and are much better. The bulbs are not in a set position determined by the tags on the disc part of the bulb so make sure you get it dipping in the right direction.
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Anders



Joined: 05 May 2009
Posts: 48
Location: Norway

PostPosted: Tue Feb 21, 2012 9:25 am    Post subject: Reply with quote

I have H4 in my bb1, but not in the original headlight shell. I bought a pair of decent headlights, I believe they are from a Honda RC30 or NC30, the japanese type with the small lights.
Then I put a 6082 alu plate in the lathe and turned a couple of suitable holes, and voila! we have a bb1 headlight system that actually illuminates the road at night!
A thicker wire from the battery to a couple of relays also helps a lot, as the skinny OEM wires leads to voltage drop before the power reaches the bulbs.


The only problem is that these japanese headlights are made for some unobtainable Honda-specific bulbs, so I had to make a pair of adaptors to fit normal H4 bulbs in the sockets. I have to cut off the two lower tabs of the H4 bulbs and push this adaptor over the bulb to make 2 new tabs in the correct position.

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Anders
bb1
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bimotacarbon



Joined: 09 Nov 2008
Posts: 352
Location: Apeldoorn, the netherlands.

PostPosted: Sun Feb 26, 2012 12:55 am    Post subject: Reply with quote

Thanx for all the input.
I've just bought a aprilia af1 headlight with the same sizes as the stock headlight.
At the moment i am converting this to make it right to fit the bb1
Pictures will be post when everything is done.
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History: gilera gfr 125 sp, gilera sp01,suzuki rgv250, BIMOTA sb8 r special,suzuki gt 250/380, ducati 750 ss Bimota bb1, bimota sb6 R Special ( i know, no official version...but who cares Smile current: none Sad
Future: BIMOTA SB6R 25th anny
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brian



Joined: 22 Aug 2011
Posts: 2342
Location: QLD, Australia

PostPosted: Sun Feb 26, 2012 1:32 am    Post subject: Reply with quote

Anders, nice work on the headlight assembly. Makes a huge difference when you have the right tools for the job.

Great detail in the adapter diagram too.
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Current rides - '99 Bimota DB4, '96 Bimota SB6, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Track Bike, CBR400rr NC29 Race Bike, '94 CB250, '00 XR200r, '49 BSA C10 250,
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hindsight



Joined: 13 Feb 2010
Posts: 18

PostPosted: Wed Feb 29, 2012 11:07 am    Post subject: Reply with quote

I'm currently in the middle of stripping my supermono, and the headlight is something I need to do something about. Every time I ride it, it blows its' headlights.

Looking at the headlight assembly, I note a few things.. on mine, nothing is rubber mounted - that seems odd, perhaps something has been missed on reassembly in the past. I'll need to test fit it to ensure that there is enough clearance, but I've had good results from rubber bobbins like this in the past...



Also - noting fearenside's observation, H4 bulbs do indeed fit nicely. I've used a piece of coathanger wire, twisted in a loop to hold mine in place. I'll order up a pair of H4 bulb connectors and make the necessary wiring changes.

Mike
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