SOHC.co.uk Forums > CB750
LED lights
Pauarc:
Has anyone fitted a LED bulb into the standard headlight on a Honda cb750k2
Martin6:
Google Paul Goff. He's respected in classic bike circles. I'm OEM on my bikes, so not used him, but know of others happy with his advice and products.
http://www.norbsa02.freeuk.com/goffyleds.htm
Oddjob:
There’s a comparison thread I did on just that subject a year or so ago, worthwhile reading.
McCabe-Thiele (Ted):
I think it's fair to say that generally fitting an LED headlamp bulb will result in a brighter whiter light using less current but the main & dip beam may be compromised in terms of scatter & dip cut off as per Ken's old post.
The issue is that older headlights reflectors & lenses were designed for Tungsten or Quartz Iodene fillaments so the dip cut off arrangement does not work the same due to the difference in the point of light arrangement between an incandescent filament and a LED array in a LED type bulb.
I have found that with LED bulbs you certainly get what you pay for as a general rule. I have had what looks like a good quality LED with a decent alloy heat sink fail within a couple of days. I have also on our old WJ Jeep had some cheap LED bulbs that were branded Hogfather that had a fan for cooling last for several years until I sold the vehicle - too bulky for a motorcycle headlamp bowl.
It is my opinion that if you want to go down the LED route it's worth buying from a supplier like Classic LED's where a warranty has some chance of being honoured - the price you pay will be almost double so you pays your money & take your chances. Interestingly some of the modern Quartz Iodene bulbs sold by the likes of Halfords Advance range have amazing outputs but a shorter lifespan is a trade off - often typically 2 years in a car.
taysidedragon:
Ted, I think you're referring to early LED bulbs, or cheap jobs. If you look at Paul Goff's website you'll see that the bulbs he sells now have the led's positioned in the same position as the original filaments, so the main and dip beams work as designed. 👍
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