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-   -   1975 Yamaha dt400c (http://www.advrider.com/forums/showthread.php?t=818053)

kelvinb 08-16-2012 10:54 AM

1975 Yamaha dt400c
 
Hi, my name is Kelvin, friends with regal403 on here and pointed me to this site. I recently acquired this bike as a project. My uncle purchased this from the original owner, and has had this since the mid 80s.

http://sphotos.xx.fbcdn.net/hphotos-...10224527_n.jpg

http://sphotos.xx.fbcdn.net/hphotos-...35933628_n.jpg

He parked it in this barn after it quit getting spark 5 years ago. I asked him how much he wanted for it and told me that if I picked it up, I could have it.

quick trip to the car wash

http://img838.imageshack.us/img838/7498/temp3d.jpg


I finally tore into it, and started determining what i could use, and what i had to replace.

http://i5.photobucket.com/albums/y15...-04-04_605.jpg

seat latch works

http://i5.photobucket.com/albums/y15...-04-24_460.jpg

custom oil cap, a cheap ebay replacement has been acquired.

http://i5.photobucket.com/albums/y15...-31-29_262.jpg

the fuel tank had something in it, and i wasnt about to try and figure out if it would fire on it or not so i decided to drain it. after removing the fuel line i tried turning the petcock from off to on, and it wouldnt turn. a pair of pliers finally coaxed it open but nothing would come out.

http://i5.photobucket.com/albums/y15...-23-55_580.jpg

after cleaning off the sludge i could blow through it. whether or not it works ill find out later i guess.

I then decided to take the airbox and carb off to see what it looked like. the tube between the carb and airbox revealed a critter that passed many moons ago. fortunately the carb was stuck closed, so there was nothing in it, or the cylinder.

http://i5.photobucket.com/albums/y15...-11-29_775.jpg

well, theres only one place it could of came from right?

http://i5.photobucket.com/albums/y15...-56-39_763.jpg

I am now searching for a new airbox, and recently acquired a new wiring harness as this one is destroyed.

http://i5.photobucket.com/albums/y15...-19-47_867.jpg

it is currently sitting like so waiting for some brake cleaner, degreaser and a quick wash.

http://i5.photobucket.com/albums/y15...-05-56_847.jpg

if anyone has any parts for sale, or any information they would like to share i would appreciate it. Ive been lurking and viewing some other restorations of these and really impressed on how well they turn out. Thanks

kelvinb 08-17-2012 06:15 AM

this came with it too.

http://img831.imageshack.us/img831/5...8113821111.jpg

nhedbot 08-17-2012 06:37 AM

You may already know about yamahaenduro.com. If not, check it out. Lot of knowledge and help there.

20valves 08-17-2012 10:59 AM

Wait a minute, an off road capable bike that's street legal, I thought BMW started all that in the 80's? :lol3


Have fun, a guy in OK restored one of those to showroom and it's a great bike!

baloneyskin daddy 08-17-2012 12:26 PM

They were great bikes, I have the exact bike sitting and rotting away up at a hunting camp, Every few yrs I dig it out and fire it up and run it around the trails just for the hell of it.

regal403 08-17-2012 07:48 PM

Oh hello Kelvin. Nice project.

Hunsta 08-17-2012 08:40 PM

If you have trouble finding an air box, I have one thats off my 1976 DT250. Should be virtually the same Im sure. However I am in Australia.
Craig

Shocktower 08-19-2012 12:02 PM

Good times, great bike. try speed and sport inc, they have tons of parts :evil

www.speedandsportinc.com will fill you needs also www.yamaha-motor.com can order stuff to your favorite dealer :evil

exoff-roadgoat 08-30-2012 09:06 PM

Nice find! I had a 74 which was the same bike with a different paint job. I replace the seat with one from the same year MXer. You can see the two mounting brackets on your frame for the MX seat. Much betta on the bottom.

georgej 09-02-2012 06:14 AM

Nice bike. I just picked up a '74,no title but she runs and is complete,even has the tool kit under the seat. The kick starter on mine gets stuck sometimes.i'll be doing some work to it over the winter,tires,general cleanup etc.I'll post a pic soon.Good luck with yours.

kelvinb 11-05-2014 08:53 PM

I haven't been here in forever. I pulled it out of storage and started going through it again. I order a vm32-33 mikuni carb, new bars installed along with new switches on both sides. Next steep is to remove the flywheel and check the stator. I'll post pics tomorrow.


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