LED H4 Headlight Bulb - Honda Rebel Forum
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post #1 of 57 Old 06-02-2018, 10:59 AM Thread Starter
 
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LED H4 Headlight Bulb

I seem to be on an accessory kick, windshield, saddle bags, usb phone charger, trunk, upgrade the flasher to electronic for future led turn signals, and the current project is an LED H4 Headlight bulb. I wanted to share this for anyone interested in a drop-in solution for an LED headlight replacement/upgrade for the H4 Halogen Honda Headlight.
here is an H4 Halogen bulb.

Note the forward filament with the reflector under it, this gives you the fan-out and down pattern to see the road and not blind other drivers. the High beam is rearward to give the correct flood pattern.


This is the wrong bulb, triangle of LEDs, upper 2 for low beam, add the bottom one for high beam. They are in the wrong position (wrong geometry for the reflector) and give you a spot instead of a fan.



Needless to say I returned it.
then I found this one, with the correct geometry, forward with reflector for low beam, rearward for high beam, and it's whiter and brighter. (its not upside down, I photographed the other side and realized it after I was composing this)




You remove the H4 adapter ring to put that in the headlight and clip it down, then insert and twist-lock the bulb into it, and it fits beautifully into the bucket.

I'm not specifically advertising this particular one, I'm sharing what to look for in the physical geometry of the LED, but if you care this was found on Amazon.
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post #2 of 57 Old 06-03-2018, 07:44 PM
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I'm not seeing one on Amazon that looks exactly like yours. Does it come with two bulbs or just one?

Keepin' all the left over parts. Gonna use 'em to build another bike!

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post #3 of 57 Old 06-04-2018, 09:10 AM Thread Starter
 
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Quote:
Originally Posted by flitecontrol View Post
I'm not seeing one on Amazon that looks exactly like yours. Does it come with two bulbs or just one?
Two bulbs in the box. I stuck my Halogen in the box and keeping the 2nd and the halogen just in case but so far so good. from reading lots of led bulb reviews the most common expected problem is a bad led that burns out in the first 6-10 hours of use.

https://www.amazon.com/gp/product/B06XHD78DQ


this is one of the "pick 4" type with multiple products in the same offering page, and you have to be careful reading the reviews since they are all mixed together, filter for the H4 only.
A couple that had a bad bulb or early failure, most negative reviews were for cage specific use where the supercomputer didn't like not having the higher impedance filament detected without the inline load corrector added, which is more user error than the product.
5 star ratings were about two orders of magnitude more then the 1,2, and 3 combined, and all the ones that identified using it in a motorcycle were in the 5 stars.
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post #4 of 57 Old 06-04-2018, 02:29 PM
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Thanks for the info. Think I'll order one of these when I get the headlight rattle fixed. If you can, provide your own rating in a month or two.
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Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
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post #5 of 57 Old 06-05-2018, 07:43 AM Thread Starter
 
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At the moment I'm leaning toward 4.9 out of 5. It's a perfect drop in solution, 3 amps compared to the 5 amps of the halogen bulb, it is brighter and whiter light, perfect geometry to get the correct fan-low-beam pattern and flood-high-beam effect. I've only put a few hours on it and waiting to see if it passes the 'burn in' time of 6+ hours to get a 5.0.

2009 Honda Rebel 250; 2009 Honda Shadow 750 Spirit
"The bravest thing for me to do is admit when I am wrong" - unknown
HRF Answer #1 You should take the MSF Rider Course
HRF Answer #2 You need to clean your carburetor
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post #6 of 57 Old 06-24-2018, 01:57 AM
 
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Thanks for posting your evaluation!

Honda Rebel 2005; Yamaha TX500 (prior)
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post #7 of 57 Old 06-24-2018, 08:14 AM
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Quote:
Originally Posted by kryton View Post
At the moment I'm leaning toward 4.9 out of 5. It's a perfect drop in solution, 3 amps compared to the 5 amps of the halogen bulb, it is brighter and whiter light, perfect geometry to get the correct fan-low-beam pattern and flood-high-beam effect. I've only put a few hours on it and waiting to see if it passes the 'burn in' time of 6+ hours to get a 5.0.
Has it passed the six hour test yet?

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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post #8 of 57 Old 06-26-2018, 09:04 AM Thread Starter
 
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Originally Posted by flitecontrol View Post
Has it passed the six hour test yet?
Yup! still going strong. for a drop-in-replacement its 5 star.

2009 Honda Rebel 250; 2009 Honda Shadow 750 Spirit
"The bravest thing for me to do is admit when I am wrong" - unknown
HRF Answer #1 You should take the MSF Rider Course
HRF Answer #2 You need to clean your carburetor
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post #9 of 57 Old 07-02-2018, 12:45 AM
 
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I have about 6 hours on mine now! Each bulb is 25w and 4000 lumens. And it feels like about 4000 lumens. I can see pot holes clearly in the night on the FDR Drive. The light pattern is good. Possibly a blinding light. Very white, nearly bluish. I thought, toying with the idea, that maybe a set of two on the Rebel would be even better.
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post #10 of 57 Old 07-02-2018, 03:42 PM
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If you decide to try twin beams, please post a pictorial.
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Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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