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Yamaha DT1F
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Posted by: kevin123
I have a yamaha DT1F. I don't know what year it is, the date is worn off the tag. The neck is stamped DT1F-30210. I think it's a 250. Does anyone know how to figure out what year it is? What years were these bikes made? Any info will be helpful. Thanks.
Posted by: Succubus
There is a chart at offroad dot com forward slash dirtbike forward slash machines forward slash classicyamaha (you can't do web addresses here) for vintage Yamahas. According to the chart, your bike is a 1971 DT1MX. It is a 250. Cool bike. Pretty simple rebuild. I have a 1969 DT1B. It should be pretty similar.
The parts from 1968 to 1971 DT1s should be compatible. After 1972 you get into DT2s and DT3s. After 1974 they became DT250s. Some parts from the DT2s and DT3s are compatible. The DT250s are not usually.
Get a service manual. Have fun.
Posted by: kevin123
Thanks. That's a handy chart, but where does my bike's numbers fit in? Mine says DT1F-30210, the chart says a 1971 MX starts at DT1F-090101. Am i reading the number wrong? I would think that 30210 would come before 90101, wouldn't it?
Posted by: Succubus
You're right, Kevin. When I glanced at the chart I thought it said that the DT1MX was up to 90000, not started at...
Still a very cool bike. My DT1 is a lot of fun. Another good web site for your rebuild, if it needs a rebuild, is Yamaha-motor dot com. It's the factory site. If you go to the parts section it has parts fiches on every model of Yamaha motorcycle ever made (at least all the ones I've heard of) including part numbers. That way you can tell for sure what parts cross between the models. It was invaluable to me when I rebuilt my DT1B. Check it out.
Patrick
Posted by: kevin123
The bike is thrahsed, it needs one of everything. The forks dont' move, the cables are seized, the wires are cut, and the seat is busted. Anyways, I still don't know what year it is. I'm guessing that because it has a headlight, it is an Enduro and not an MX.
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