Headlight for City

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27 Jul 2010 08:51 #386218 by yourebarred
Headlight for City was created by yourebarred
I understand that in the US you require a day riding light? I know you do in some parts of Europe. Anyway I have a z650 CSR in the UK where we don't need a day riding light. I wonder if it affects my economy enough to change it?
If anyone thought it did, how would I go about rewiring it so it only goes on when I switch it, or is that a rhetorical question?!
Thanks guys

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  • TeK9iNe
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27 Jul 2010 08:53 #386219 by TeK9iNe
Replied by TeK9iNe on topic Headlight for City
Just leave it on, its not going to affect anything, and it makes you more visible.

B)

Motorcycle Shop Owner/Operator

79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
83 Honda VT750C A
85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
Lucky to have rolled many old bikes through my doors ;)

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27 Jul 2010 10:04 #386239 by Capt America
Replied by Capt America on topic Headlight for City
After years of day running lights being enforced on motorcycles made after 1969 in Canada. I've found that people have become even blinder than they once were.

Now they don't even seem to see a vehicle coming at them if they don't spot the lights they've been trained to look for, a sad state of affairs imo.

At any rate, tis your life, a simple toggle switch on the headlight negative line will do what you want.

Capt A merica
1983 K1 750 twin
Ontario, Canada.

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27 Jul 2010 11:20 - 27 Jul 2010 11:25 #386256 by Patton
Replied by Patton on topic Headlight for City
No eBay APP ID and/or Cert ID defined in Kunena configurationSome of the modulating motorcycle headlights seem really good at attracting attention of oncoming motorists.

Am guessing it's an aftermarket unit that fits inside the headlight shell. And continuously flashes between high beam and low beam.

Have mostly seen them used on larger bikes such as Harleys, BMWs and Gold Wings, but would likely fit any model.

At first I thought it looked irritating, then re-thought to that's exactly what's needed. B)

Here's one of several listed on ebay.



Good Fortune! :)

1973 Z1
KZ900 LTD
Last edit: 27 Jul 2010 11:25 by Patton.

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27 Jul 2010 11:23 #386258 by bountyhunter
Replied by bountyhunter on topic Headlight for City
Capt America wrote:

After years of day running lights being enforced on motorcycles made after 1969 in Canada. I've found that people have become even blinder than they once were.

Now they don't even seem to see a vehicle coming at them if they don't spot the lights they've been trained to look for, a sad state of affairs imo.

That's why the law now allows us to use a headlight modulator which makes the light extremely visible, some would say insufferably annoying....

1979 KZ-750 Twin

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27 Jul 2010 11:28 - 27 Jul 2010 11:29 #386259 by bountyhunter
Replied by bountyhunter on topic Headlight for City
Patton wrote:

Some of the modulating motorcycle headlights seem really good at attracting attention of oncoming motorists.

Am guessing it's an aftermarket unit that fits inside the headlight shell. And continuously flashes between high beam and low beam.

I believe what they use is a circuit which modulates the single filament (either high or low beam) from 100% intensity to 30% intensity using a pulse width modulator circuit at a rate of 4 Hz.

1979 KZ-750 Twin
Last edit: 27 Jul 2010 11:29 by bountyhunter.

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27 Jul 2010 11:39 #386268 by yourebarred
Replied by yourebarred on topic Headlight for City
I agree folk see you better, though they also pull up and tell you it is on!
So no noticeable difference to fuel economy you reckon?

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27 Jul 2010 14:59 #386338 by MFolks
Replied by MFolks on topic Headlight for City
Probably hard to measure regarding gas economy except in labratory conditions.

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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27 Jul 2010 21:59 - 27 Jul 2010 22:00 #386442 by bountyhunter
Replied by bountyhunter on topic Headlight for City
yourebarred wrote:

I agree folk see you better, though they also pull up and tell you it is on!
So no noticeable difference to fuel economy you reckon?


It actually uses less power because the light is pulsed between being full on and 30% on, average power used is lower than just running the light.

As for running a headlight compared to being off all the time: it's about 50W which is about 0.07 horsepower. I can't believe that added power is going to have a measurable effect on fuel mileage.

1979 KZ-750 Twin
Last edit: 27 Jul 2010 22:00 by bountyhunter.

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