Author Topic: 1985 KRT 100 headlamp bulb replacement  (Read 11691 times)

Offline frankenduck

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #25 on: September 01, 2021, 04:11:59 PM »
Thats quite true.  I modified my headlight assembly on a Yamaha RD350 (lots of vibration).  I installed low wattage halogen lights, standard type not specifically for bikes.  They last only a few times for a ride at night before filament fails. 

True the BMW is as smooth as a car.  But not all motorcycles are.  and when the make a general light bulb they have to cover it for any motorcycle application.

Prior to using LED headlights, I added relays to my K bikes and ran 100/90 H4 bulbs from Ebay Chicoms. They cost $8/pair and I guarantee you that they were manufactured as inexpensively as possible. They worked well in terms of the amount of light they put out and Hi/LO beam patterns. The "worst" mileage I've gotten out of any of them is about 22,000 miles on my K1100RS.
Once I had a Collie pup. Dug a hole and covered him up. Now I sit there by the hour. Waiting for a Collie-flower.
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Offline Laitch

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #26 on: September 01, 2021, 09:30:11 PM »
Thats quite true.  I modified my headlight assembly on a Yamaha RD350 (lots of vibration).  I installed low wattage halogen lights, standard type not specifically for bikes.
What is the bike specific bulb of your recommendation?
  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline pinhead

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #27 on: September 02, 2021, 03:06:48 PM »
What is the bike specific bulb of your recommendation?
it is no longer available,  a sealed bulb in an entire unit, not a sealed beam standard.
  • sacramento, ca
  • 1985 RT 100

Offline Martin

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #28 on: September 03, 2021, 08:15:51 PM »
Gryph I'm managing to sneak up on the 5 metres, these two pictures are from 3 metres. I'm still looking for a dark spot that i can do a 5 metre shot.
Regards Martin.

* LED H4  3 Metres No1.png (29.66 kB . 768x576 - viewed 401 times)
* LED H4  3 Metres No2 .png (30.34 kB . 768x576 - viewed 502 times)
  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline The Mighty Gryphon

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #29 on: September 03, 2021, 11:29:14 PM »
Thanks, Martin!  I'm pretty sure the pattern won't change much with another 2 meters. 

Looks like it throws a good amount of light down range, but for some reason, the pattern doesn't seem to throw a lot of light off to the side of the road where the deer lurk waiting to leap in front of my machine.
  • In my garage in Marilla, NY
  • '91K100RS White/Blue
Current:
'91 K100RS16V "Moby Brick Too"

Past:
'94 K75RT "Ilsa, She Wolf of the SS"
'92 K100RS16V "Moby Brick" (RIP, deceased in a vehicular assault)
'94 K75S Special Edition Dakar Yellow "Cheetos"
'89 K100RS Special Edition "Special Ed"

Offline Laitch

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #30 on: September 04, 2021, 07:43:46 AM »
Gryph I'm managing to sneak up on the 5 metres, these two pictures are from 3 metres. I'm still looking for a dark spot that i can do a 5 metre shot.
I think you have plenty of light to keep you from running into your garage doors, Martin.  :laughing4-giggles: Maybe find a level street, indicate where a hundred yard distance is by hanging balloons or patriotic bunting then take some photos.
  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline Martin

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #31 on: September 04, 2021, 05:43:12 PM »
Laitch it's not that easy, there's not too much level around here and it's pretty well lit. Also people tend to get a bit suspicious when you ride up their drive on high beam. And although we aren't as well armed it's still hurts when hit with a well aimed Beemerang.
Regards Martin.
  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline Laitch

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #32 on: September 04, 2021, 06:03:16 PM »
there's not too much level around here and it's pretty well lit. Also people tend to get a bit suspicious when you ride up their drive on high beam.
So those are the garage doors of other people? :nono2: How do you get inside, reverse engineering? Isn't there a vast, unlit territory inhabited only by kangaroos, crocodiles, human-flesh-eating jellyfish and pie shops just minutes from your doorstep?
  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline Martin

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #33 on: September 04, 2021, 07:03:25 PM »
Due to advancing years I no longer like to tangle with roos, crocs, jellyfish, advancing waistline eliminates pie shops.
Regards Martin.
  • North Lakes Queensland Australia
  • 1992 K75s Hybrid, Lefaux, Vespa V twin.

Offline Laitch

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #34 on: September 04, 2021, 07:19:08 PM »
Due to advancing years I no longer like to tangle with roos, crocs, jellyfish, advancing waistline eliminates pie shops.
I doubt any of those hit you with a Beemerang. For one thing, that would be bad business for a pie shop. More photos!
  • Along the Ridley in Vermont.
  • 1995 K75 89,000 miles

Offline pinhead

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #35 on: September 05, 2021, 12:00:34 AM »
I just got back from a night ride after installing the new LED Bulb.  It works great.  I was worried on the low beam that it might blind oncoming drivers but that was not the case.  In fact, I think it dims down a little too much.  But on the bright beam its all you want when riding on a back country road.  Birght light on both sides as far as the eye can see!
  • sacramento, ca
  • 1985 RT 100

Offline frankenduck

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Re: 1985 KRT 100 headlamp bulb replacement
« Reply #36 on: September 07, 2021, 09:35:44 PM »
The RS/RT/LT beam can be adjusted several ways:



LEFT/RIGHT - Turn the knob clockwise to adjust the beam towards the left or counter-clockwise to adjust the beam towards the right.


UP/DOWN - There are two mechanisms for adjusting beam height: a white lever for macro adjustments and a black hex knob for fine tuning.

The white macro lever has three positions: up, middle and down. This is handy for quick headlight adjustments when you have changing loads. e.g. Riding solo with no luggage vs. riding 2-up with full luggage. Up is the highest  pointing beam and down is the lowest.

Up/down fine tuning: The black knob turned clockwise lowers the beam and turning it counter-clockwise raises it.

For countries where you drive on the right side of the road the low beam cutoff on the right side angles up. I'm pretty sure that the reason for this is to better illuminate road signs.

LED vs. OEM halogen:


Once I had a Collie pup. Dug a hole and covered him up. Now I sit there by the hour. Waiting for a Collie-flower.
New to K bikes? Click here.
K Bike Maintenance & Mods: Click here.
Buy parts here.

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