I have a set of H4 LED headlight bulbs.
My question is what to do about the rubber bellows that were fitted to the original headlights?
The photo shows the bellows and the LED BULB.The bellows do not fit over the new LED’s.
Fitting H4 LED HEADLIGHTS
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Re: Fitting H4 LED HEADLIGHTS
They do if you install them from the plug side after the bulb is in place.
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Re: Fitting H4 LED HEADLIGHTS
I think the bulb mount unscrews on that bulb push through the bellows then put the mount back on.Ridgeback46 wrote: ↑Sat Jan 16, 2021 2:19 pm I have a set of H4 LED headlight bulbs.
My question is what to do about the rubber bellows that were fitted to the original headlights?
The photo shows the bellows and the LED BULB.The bellows do not fit over the new LED’s.
image.jpg
- newday777
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1975 CB750 K5 Planet Blue 7,800 miles
1976 CB750 K6 Anterris Red 25,000 miles
Past rides
1999A Restored from PO neglect & sold at 19,000 miles
1999SE Totaled by cager at 105,000 miles
Re: Fitting H4 LED HEADLIGHTS
What brand LED did you buy?
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Re: Fitting H4 LED HEADLIGHTS
The box says Duolutong!
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Re: Fitting H4 LED HEADLIGHTS
On most H4 headlights meant for motorcycles, the heatsink unscrews, and the threads are coated in thermal compound:

You install the headlight, then put the rubber bellows over it, and lastly screw the heatsink back in place:



You install the headlight, then put the rubber bellows over it, and lastly screw the heatsink back in place: