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TOPIC: headlight for my dt discontinued

headlight for my dt discontinued 11 Oct 2018 06:45 #1

  • speedbuff
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Since the 6 volt headlight for my 1981 dt 175 is discontinued from Yamaha where could I find one in Canada or the US is there a generic number from a sealed beam supplier or is this thing not readily available? For that matter what about some of the other bulbs like the tail light and turn signals are the generic number for those possibly listed somewhere? Hope I posted in the right area if not pls move this message admin

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headlight for my dt discontinued 11 Oct 2018 08:34 #2

  • Gr8uncleal
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There are a number of options available.

1) Someone like seller id on ebay thevintagespoke offers non Yamaha replacement headlights with, I think, replaceable bulbs. I have not tried these myself and so can't comment either way on quality.
2) When you search for a replacement, also use the Koito ref on the back of headlight unit. Other units of the same size might also fit, but just take care that any locating/fitment screws etc are in the correct place.

Good luck.

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headlight for my dt discontinued 11 Oct 2018 21:28 #3

  • MarkT
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Held in with clips on the later models. I like to use fairly common a 5 3/4" H4 lamp... just remember to use a 6 volt 35w H4 bulb.

Someplace I have a list of bulbs... most are available on Amazon or ebay pretty readily. Some are available in parts stores. It will be a couple days before I can look for it or often the bulbs are marked.
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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

headlight for my dt discontinued 12 Oct 2018 05:32 #4

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Haven't had a look yet just assumed it was a sealed beam?. It would be nice if it was just a bulb . Still messing with the carb/air leak issue . Is there a generic list of bulbs on the site that would be very helpfully?

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headlight for my dt discontinued 12 Oct 2018 05:53 #5

  • Gr8uncleal
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If it's not a sealed beam unit, then all I can say is lucky you and all you have to do is replace the bulb!

MarkT has mentioned in an earlier post that the headlight should be 35/35w. There should be a stamp just above where the wires clip on to bulb that confirm this, or if it is a slightly lower wattage.

The rear light bulb will be a generic 21/5w, with offset bayonet fitment.

The flasher/indicators will be 18w, but it's no big deal if you fitted 17w or 21w, depending on availability.

The idiot and dash lamps will be 3w but, again, you could use 2.5w or 4w if that's all that you can lay your hands on.

All of the bulbs should be available from an auto/bike store or online.
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headlight for my dt discontinued 12 Oct 2018 06:39 #6

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Yes as Gr8 says you'd be lucky if it's not a sealed beam now. :likey

I like to replace it with a lens/reflector that has a replaceable H4 bulb.

There are tons of threads on this... I think someone posted this light a while back which is what I would go with when I need another one... pretty slick and easier than getting an H4 reflector and then sourcing the 6 volt bulb... Harley's and Jeeps are two common places the the 5 3/4" lamp is used...

www.thevintagespoke.com/shop/XT500/Elect...26-023-x33558955.htm

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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
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