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1975 Yamaha DT125B: another DT to bring back from the dead 

Garage2Trail
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In part 1, I dig into the basics on the 125...spark, compression and carb cleaning. The goal is to get it running to take out to Mid-Ohio for Vintage Days this year.

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7 июл 2023

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Комментарии : 42   
@t2k777
@t2k777 19 дней назад
got one for my 13th birthday in 1975
@davidevans8887
@davidevans8887 2 месяца назад
I just got me one just like it today, worse shape than yours but it's worth fixing/restoring. Enjoying your video.
@Garage2Trail
@Garage2Trail 2 месяца назад
Thanks! Hopefully it helps you with yours. Great bike!
@shawnabbey
@shawnabbey 9 месяцев назад
If you would like to compare notes, I have the exact same bike that I had since 1978. I restored it once and am presently restoring it again.
@Garage2Trail
@Garage2Trail 9 месяцев назад
Thank you for the offer! I sold this one at Mid Ohio this past year though to make room for more projects to do. Really appreciate that however.
@Clearanceman2
@Clearanceman2 Год назад
When I was 12 I saved up and paid $700 for a brand new last year's model 1978 DT100. I had so much fun with that bike. Minibikes were a few hundred from Sears at the time and the DT100 was so much better. For one thing, it was a two stroke and it had a five speed transmission.
@Garage2Trail
@Garage2Trail Год назад
That’s awesome! So cool that bikes were easily accessible to kids back then. Stuff is too expensive now.
@Clearanceman2
@Clearanceman2 Год назад
@@Garage2Trail $700 wasn't cheap back then in 1979 but Japanese motorcycles used to be economical. And they can still be but not two stroke dirt bikes. But something like a KLX230. The cool thing was the DT100 was street legal for someone older than me, but it was.
@Garage2Trail
@Garage2Trail Год назад
I always forget about price inflation lol. But you are correct about 2 strokes going up. There are clapped out 90s motocross bikes commanding insane prices these days!
@wattie1050
@wattie1050 Год назад
Good project , good to see some stuff coming to life again ! Basically looks a solid wee bike but the electrics and fuel system will need a good going over , good to see you getting it sorted . Another good project to watch 👍
@Garage2Trail
@Garage2Trail Год назад
Thank you! It’s definitely got good bones. Just hoping the gamble with the cylinder pays off.
@paulthompson8613
@paulthompson8613 Год назад
Always amazed how many bikes have hatchet jobs wiring on RU-vid nice job getting those casing screws out for a second thought you were going to fail nice save
@Garage2Trail
@Garage2Trail Год назад
Thanks! I thought for sure I’d have to tap the threads but they were still surprisingly good. I’m still upset I couldn’t get that cylinder off. I may try heat once more. I’m just afraid of breaking something or possibly warping the cylinder in the process.
@andyshondaxlsrestorations4733
Nice project good look with it m8 looking forward to see how it goes
@Garage2Trail
@Garage2Trail Год назад
Thank you!
@selfmotivatedmotorcycles
@selfmotivatedmotorcycles Год назад
Another awesome Yamaha DT. Where do you find these awesome Bikes. Thanks for sharing
@Garage2Trail
@Garage2Trail Год назад
Thanks for tuning in! I find most on marketplace but one I got through a friend and another from mid Ohio swap meet.
@Workerbee-zy5nx
@Workerbee-zy5nx Год назад
Navel jelly for the rust...do a u tube resto...
@d.brayman3165
@d.brayman3165 Год назад
If you have done so already, you might try striking the top of the cylinder with a brass hammer. You're just trying to get vibration through the cylinder. It's worked for me in the past. For what it's worth. Good luck!
@Garage2Trail
@Garage2Trail Год назад
Good idea! I have not tried that and the head is still off so I’ll have to borrow a brass hammer off someone…thank you!
@d.brayman3165
@d.brayman3165 Год назад
@@Garage2Trail I just hope it works.
@Garage2Trail
@Garage2Trail Год назад
I’ll let you know how it goes. Thanks again!
@glock1865
@glock1865 Год назад
I’ve got the exact same bike. I’m having a no spark issue I suspect is the condenser. What’s your best parts resource online?
@Garage2Trail
@Garage2Trail Год назад
Did you try testing the condenser with a multimeter? Also, double check the points where it’s mounted to the stator…mine had some corrosion around it causing it to ground out. You can test the points too via multimeter for continuity when closed vs open. I do a quick demonstration towards the end of this video with mine. I usually check rockymountainatvmc.com for the oem part and part number. If they have it in stock I’ll usually just get it from them but if they don’t I search the part number on eBay.
@glock1865
@glock1865 Год назад
Thanks for the advice! I finally got it going after cleaning and gaping the points. I love the way those tires look. Mine still has the originals. Would you tell me what size they are? Especially the rear.
@Garage2Trail
@Garage2Trail Год назад
@@glock1865 that’s awesome! I’m glad you got her running! About the tires I’m not sure…they are regular off road knobbies and I just sold the bike at Mid Ohio so I can’t tell you what brand. I would just see what size your current tires are and get the same size in a knobby of your choice. I picked up another DT125 though but it’s a 71 with the small front wheel. Should be interesting finding a tire for that!
@jacopwayne
@jacopwayne 10 месяцев назад
Are the 1974 and 1975 yamaha dt 125 the same bike as far as parts?
@Garage2Trail
@Garage2Trail 10 месяцев назад
I am almost positive the engines are the same if not very close. I haven’t had a 74 yet but I did pick up a 71 AT1 (DT125) and it looks like the engine is the same between those. The body panels and tank are def different though.
@jacopwayne
@jacopwayne 10 месяцев назад
@@Garage2Trail thanks! I was looking for some parts to throw on my 75. There’s a pretty cheap 74 that I’ve been eyeballing for the motor.
@R0ckstar9889
@R0ckstar9889 Месяц назад
What are the two best oils for this bike?
@Garage2Trail
@Garage2Trail 29 дней назад
I just use yamalube 2stroke oil for the mixture and any motorcycle wet clutch motor oil for the gearbox. Preferably not synthetic.
@Workerbee-zy5nx
@Workerbee-zy5nx Год назад
Always fire up a bike before purchasing it. Ieas burned with a ke 175, and it never ran right....
@Garage2Trail
@Garage2Trail Год назад
Takes the fun out of bringing them back from the dead though if they already run! 😂
@Workerbee-zy5nx
@Workerbee-zy5nx Год назад
@@Garage2Trail Sorry dude, just learned this was a cool bike resto site...😎
@Garage2Trail
@Garage2Trail Год назад
@Workerbee-zy5nx no worries!
@johnjrgensen701
@johnjrgensen701 6 месяцев назад
I need a carb for my 1977 dt 125. Has anyone got the numbers I should look for?
@Garage2Trail
@Garage2Trail 6 месяцев назад
Did a quick search online and it looks like it’s supposed to be a 24mm Mikuni but I can’t find the exact model number for the carb. Hopefully someone on here can chime in with it. Your best bet might be to join a Facebook Yamaha dt group and ask there too. I’ve had good luck when asking detailed questions about bikes.
@johnjrgensen701
@johnjrgensen701 6 месяцев назад
Thats a good advice, Thanks... @@Garage2Trail
@stepheneoinquinn7788
@stepheneoinquinn7788 9 месяцев назад
Does anyone know the paint color code for this year and model?
@Garage2Trail
@Garage2Trail 9 месяцев назад
I’m not sure of the actual code, but I think it’s called “chappy red” if that helps
@stepheneoinquinn7788
@stepheneoinquinn7788 9 месяцев назад
@@Garage2Trail thanks. I’ll compare
@slongger
@slongger 18 дней назад
1975 DT100A is orange and white
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