50 special headset on v90

[alawson68]

Ok not one for the purist, but I want to go down the sip digital speedo on a V90. Picked up a 50 special headset today, which I want to use. Question is on the wiring, sip do a conversion headlamp, which fits in the headset, but uses the bulbs & wiring from a V90, but it's £47, which isn't an issue. Just wondered what the issue is using the standard 50 special light unit. Something to do with dipped only, anyone help

[nerop]

Oct 5, 2014 20:42:10 GMT alawson68 said:

Ok not one for the purist, but I want to go down the sip digital speedo on a V90. Picked up a 50 special headset today, which I want to use. Question is on the wiring, sip do a conversion headlamp, which fits in the headset, but uses the bulbs & wiring from a V90, but it's £47, which isn't an issue. Just wondered what the issue is using the standard 50 special light unit. Something to do with dipped only, anyone help

Hi, The problem with a standard special headlamp is indeed the lack of high beam, you can only have sidelight and low beam. Whether the conversion gives you them all. I've just gone through with a Vespa Special rebuild and have used one of Sip conversion lamps. vespasmallframeforum.proboards.com/thread/19009/50-special-headset-12v-conversion
Although I hadn't received any advise I got to the solution and fit it anyway, it's a bit of an awkward adaptation but it works nevertheless.
The lamp will come with two ring tab, you need to bend them in to fit into the headset, then use the two springs to anchor it at the back of the command sleeves as usual. The the standard backing plate has to go too. It will not be a snug fit but it fits, haven't tried yet but I guess the headset rim should cover the gap nicely.