SOHC.co.uk Forums > CB500/550
Cb550f blowing main fuse
Bryanj:
Unless they have changed the wording the side,pilot, light is the obligatory light whilst the headlight was optional, although i know the test changed to all fitted lights must work which brought car reversing lights in
florence:
certainly when I had MOTs, they advised that if present, the side light must work but if it has been removed, not required, a bit like indicators. There might be different rules for vehicles post 1986, not sure, but for this age, that is what I was advised.
McCabe-Thiele (Ted):
The nice thing about the Halo side lamp is it's bright enough to double up as a DTRL.
I have an LED rear lamp as well so riding on side lamps hopefully makes me more visible.
deltarider:
--- Quote from: Bryanj on August 12, 2026, 10:37:10 AM ---That is a US sealed beam unit as used on cars and the pilot bulb is not required there so there is no proper fitting, you can fit any 7 inch light and go Halogen(usually H4 bulb) BUT , no matter what Delta says, you need to keep the revs up to charge the battery, you could also fit a standard 500 or 750 unit but not 400
--- End quote ---
Sir, according to my parts list even the CB550K3 model for UK had the 60/55 Watts H4. I myself never had a problem with H4, 3 Ohm coils and homebuilt transistorized ignition. In the riders reports in my archives - in total 40 times around the globe by the respondents - nobody reported a problem. It has never been a subject in the French nor in the German forum. It is a non existent made-up problem that nobody here knows of. Creating problems has always been a good strategy to profile yourself as expert. You can even sell books with it. But... it may have been become a problem since people began more tinkering their bikes - prolonged idling - than using the bike, it was meant for: riding. The mere idea that Honda wouldn't have been capable of fitting an adequate charging... You disappoint me. A simple calculation - will tell you the charging system is more than adequate. And I have pointed out more than once it is up to the rider.
Towsejames:
What wattage h4 is best to use?
Also I like the idea of the led option but hate the colour of anything blue or white and want the traditional halogen output colour, is this possible?
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