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1968 Yamaha DT1 Gas Tank Badges
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I have one of these icons and am having an electrical issue.
Intermittent, but complete power loss to all lights. Has to be a simple problem.
I figure it’s either a ground. There’s only two that are obvious. Cleaned and tightened. Didn’t help. Are there more?
Could be at the junction of the hot wire to the lights. Most likely.
Any thoughts?
Thx in advance.
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Has anyone got a comp green DT3 out there? If you have, could you get in touch as if possible I'd like some pictures of the top,each side and front planes of your tank. I have lost some pics through cloud storage and of course,the ones I need of mine have gone.
I would need to be able to print the images so it might be better if I give you my email address through a private message.
Kind regards
Dave.
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So I gave a DT175H from 1981. The previous owner ripped out all the original wiring and components that went with that. I am trying to make it road legal again so adding back lights, horn, etc.
I am seeing in the wiring diagram there is a voltage regulator and I bought one off of eBay, but I am not quite sure of the location on the bike. Anyone know where it is suppose to go?
Thank you! That helps a lot. My bike is missing that bracket… so I will try to find or make one!
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I am rebuilding my DT125 and I’m trying to remove the armature to split the cases. I have the tool on order at partzilla and Yamaha (90890-01111-00).
Both have ne eta. Does anyone have one I could borrow?


I got it off using a Slide Hammer. I contacted a friend who worked at a dealership in the city I have resided in for nearly 70 years. His dad owned the dealership and he wrenched in the back for a for decades. He said that they used a slide hammer. I fashioned an adapter to fit my live axle puller and it came off in a single light pull. It surprised me a bit because I was thinking it was welded with age.
Besides what Devin said, I would check out (or replace), the lighting coil down on the stator . . . it could be a loose or broken wire that breaks continuity when it warms up . . . thus the intermittent loss.