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Old October 6th, 2015   #1
SinNH
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Default Changing H-4's

is certainly an exercise in patience for me and my size 12 hands.
Found it easier to work from below. I can never understand why anybody that is even a borderline shadetree mechanic doesn't use dielectric grease on any electrical connection that being reassembled, it is great for the connection itself and much easier to remove down the road. I actually though I was going to destroy the reflector trying to remove the socket from the bulb. The bulb wasn't stock, made in Germany.
Anybody use Sylvania Silverstar Ultras ?
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Old October 6th, 2015   #2
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Default Re: Changing H-4's

I use the Osram 60/55 bulbs.
Sylvania and Osram are the same company.

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Old October 6th, 2015   #3
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Default Re: Changing H-4's

It's important to note that the head light plugs have a locking feature. You have to squeeze the forward lower portion from both sides of the plug to release it.
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Old October 6th, 2015   #4
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Default Re: Changing H-4's

not too bad with medium sized hands ....

remember to squeeze that plastic together then they just slip out .... and the most important thing is to just get good halogen 55/60W any type, way better than the silly 45W Honda puts inn there - why do they do that ? ..... good luck
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Old October 6th, 2015   #5
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Default Re: Changing H-4's

The law dictated the 45's but it did not dictate the non-standard alignment tabs.

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Old October 6th, 2015   #6
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Default Re: Changing H-4's

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Originally Posted by horst View Post
not too bad with medium sized hands ....

remember to squeeze that plastic together then they just slip out .... and the most important thing is to just get good halogen 55/60W any type, way better than the silly 45W Honda puts inn there - why do they do that ? ..... good luck
Some regulation somewhere says you can't have more than 90W in a single headlight assembly. Since the ST's two headlamps are not isolated into separate enclosures, Honda had to do 45W each to comply.
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Old October 6th, 2015   #7
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Default Re: Changing H-4's

Quote:
Originally Posted by Wjbertrand View Post
It's important to note that the head light plugs have a locking feature. You have to squeeze the forward lower portion from both sides of the plug to release it.
No cht ? No wonder it pulled off so hard. I am afraid to admit that I went to the factory workshop manual -twice- to make sure I wasn't missing something. No mention of a squeeze needed there.
Good tip.
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Old October 6th, 2015   #8
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Default Re: Changing H-4's

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No cht ? No wonder it pulled off so hard. I am afraid to admit that I went to the factory workshop manual -twice- to make sure I wasn't missing something. No mention of a squeeze needed there.
Good tip.
Yeah, this is not noted anywhere. First time I tried to unplug them I actually bent the little metal hook that the bulb retention wire spring hooks under. Went to do the other bulb and thought "crap it's stuck too" I made sure to get a good grip, pulled hard and skinned the back of my hand when it unexpectedly slipped right off. Turns out I'd inadvertently squeezed just in the right places.
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Old October 6th, 2015   #9
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Default Re: Changing H-4's

Quote:
Originally Posted by Wjbertrand View Post
Some regulation somewhere says you can't have more than 90W in a single headlight assembly. Since the ST's two headlamps are not isolated into separate enclosures, Honda had to do 45W each to comply.
Only in the USA. The rest of us know that there are actually two headlights and get the full H4 set up as standard.
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Old October 6th, 2015   #10
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Default Re: Changing H-4's

Our lighting laws are archaic and rarely enforced.
As far as motorcycles they could care less.

It was 1978 before H4 was even legal in the U.S..

Those that bitch the loudest are to young to remember a 45/45 Sealed Beam, state of the art on the new Goldwing in 1975.



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