facebook1   youtube1   twitter1   instagram   linkedin1   pinterest1

logosmallNOTICE:  If you are not a free registered member of the site, you will not see the photos in the forum, and you won't be able to access our premium member content. Please consider joining our community!

12V conversion headlamp

14 Dec 2019 18:10
Yamalol
Site Supporter
Site Supporter
Posts: 44
More
Topic Author
12V conversion headlamp #1
Just ordered a 12v conversion kit for my 74 DT250. Hoping this finally gives me reliable, bright lighting. I think the 12v regulator/rectifier that comes with the kit would mean I could power a 12v LED from the new lighting coil since the current will be DC after the regulator/rectifier? Anyway, does anyone who has done the conversion have headlight recommendations, LED or otherwise? Thanks.

'74 DT250A, '80 XS650, '93 XR200R

Please Log in or Create an account to join the conversation.

14 Dec 2019 21:29
MarkT
Site Supporter
Site Supporter
Posts: 8559
More
12V conversion headlamp #2
what "conversion kit" are you installing?

H4 5 3/4" reflector/lens assemblies are fairly common and can take different bulbs.

1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250

Please Log in or Create an account to join the conversation.

15 Dec 2019 06:34 15 Dec 2019 07:04 by Yamalol.
Yamalol
Site Supporter
Site Supporter
Posts: 44
More
Topic Author
12V conversion headlamp #3
This one from Rex's Speedshop.

www.rexs-speedshop.com/product/dt250-dt3...volt-conversion-kit/

Currently using this shell , and this bulb .

Also wondering about a 12v battery that will fit.

'74 DT250A, '80 XS650, '93 XR200R
The following user(s) Liked this Post Pillsbury

Please Log in or Create an account to join the conversation.

15 Dec 2019 08:12
Pillsbury
Site Supporter
Site Supporter
Posts: 785
More
12V conversion headlamp #4
Me likey!! I converted mine to 12v but this looks much better. I used this for the battery.

1970 DT1-C Grand Prix race bike
1970 DT1-C Street tracker
1968 Honda CL90
1973 Honda CR250
1974 Honda MR-50
1966 Triumph Tiger Cub
1947 Mustang
1974 Suzuki TC185

Please Log in or Create an account to join the conversation.

15 Dec 2019 09:51
Yamalol
Site Supporter
Site Supporter
Posts: 44
More
Topic Author
12V conversion headlamp #5
Ah, that doesn't quite fit. My width maxes out at 2 inches. All the other dimensions work. Too bad batteries aren't listed by dimensions, haha.

'74 DT250A, '80 XS650, '93 XR200R

Please Log in or Create an account to join the conversation.

18 Dec 2019 19:50
Scannell
Site Supporter
Site Supporter
Posts: 3
More
12V conversion headlamp #6
On my 77 I used Octane Lighting's 5 3/4" headlight housing and swapped out the bulb that came with it with an LED bulb from Superbrightleds.com. I have had the headlight installed for around 10 months now and really like the light it puts out. As for my battery, I used the MB3U from MotoBatt and it lists the width as 2.20 inches.
The following user(s) Liked this Post Surf_Rider

Please Log in or Create an account to join the conversation.

19 Dec 2019 05:03
Camp3
Site Supporter
Site Supporter
Posts: 158
More
12V conversion headlamp #7
That 12 V conversion is just what I'm looking for on my DT250A Refurb...but the link you have shows a 6v bulb, maybe they work on 12vdc as well but shows bulb failure of 12Vdc applied....

1976 DT175C
1975 DT100B Kid Trainer
1974 DT250A In Process
1992 FJ1200

This message has an attachment image.
Please log in or register to see it.

Please Log in or Create an account to join the conversation.

13 Jan 2020 16:52 13 Jan 2020 16:53 by Yamalol.
Yamalol
Site Supporter
Site Supporter
Posts: 44
More
Topic Author
12V conversion headlamp #8
Quick update: had beautiful weather this past weekend, so I got the 12v conversion kit installed!

Installing the new lighting coil was very straightforward. I had to mount the new regulator/rectifier behind the headlamp because it was too big to fit on the old mounting spot under the tank. I probably could have reconfigured things to make it fit, but it looked good enough. Had to extend some wires a bit, but no problems otherwise.

I ended up trying that Pillsbury posted since it was the cheapest option. I modified my battery box by taking the side wall down in order to get the battery to fit. I pulled the rubber mouth of the air box off too, but wasn't using that anyway (photo below).

I am currently using this headlight , and it works pretty well. I am still powering the headlight off the battery (I like the key-on headlight), so I might experiment with an LED as well.

Definitely worth the investment. Now I feel like I can ride my DT250 like a real motorcycle and not have to head home when the sun goes down. Happy to answer any questions.

'74 DT250A, '80 XS650, '93 XR200R

This message has an attachment image.
Please log in or register to see it.

The following user(s) Liked this Post MarkT

Please Log in or Create an account to join the conversation.

22 May 2020 14:34 22 May 2020 14:38 by Surf_Rider. Reason: additional questions
Surf_Rider
Newbie
Newbie
Posts: 1
More
12V conversion headlamp #9
DT250 with a 12V converstion:

Scannell
Was you bike fitted for larger battery? I roughly measured my battery case (4x4x2)ish. The MB3U is 5.8" tall. Was that an issue?

The Rex conversion kit recommends not to use LED bulb. Has anyone come across this? does it even matter as long its a 12v LED?

Michael

Please Log in or Create an account to join the conversation.

22 May 2020 20:06
Scannell
Site Supporter
Site Supporter
Posts: 3
More
12V conversion headlamp #10
The MB3U battery is essentially the stock size for 1977 and I measured mine at 4.375 inches in height. My battery compartment is 4 3/4” high x 4” wide x 2” deep and with the rubber insert it fits perfectly. (Yours might be a different size being an older model)

This message has an attachment image.
Please log in or register to see it.

Please Log in or Create an account to join the conversation.

Moderators: yamadminEnduronutMakotosunDEETVinnieDevinJames Hart