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DT-100 Bucket Racer
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jamoni:
Hey, guys, it's been a while!
Anyway, I finally got my shop sort of together, and now I have a project. I had an old Yamaha DT-100 motorcycle. It's an enduro:a street legal dirt bike. It's a two stroke, and has a lot of torque but a limited top speed. 60 mph is about maxed out.
Here it is last year:
(It's the little green one in the background)


This is it right now:


So far the only thing I've bought for the project was the fairing. Everything else was done out of scraps and bits floating around the garage. I'm a full time student, so this is being done on a budget of free dollars. I decided not to even try to approximate a cafe racer, and instead went for a street legal bucket racer.
I welded up the handlebars out of plumbing pipe and some scrap steel. The seat is a pine board padded with an old bathmat and some scrap vinyl. The rear fender is bent out of some steel sheet I bought for another project.
Currently working on rear-sets:
SOkhA&index=1&feature=plcp


The aluminum I'm using is from some old radio equipment that was being scrapped at work.
Okay, I DID buy some allthread and a couple of bolts.
Anyway, it's not for everybody, but I like it just fine. It's a LOT more responsive and fun to ride now. It was already a wheelie machine, now it's moreso. The rear sets will really make it more comfortable. Skinny tires are also on the list. Eventually I'll be looking at some repro CR110 body work, regearing, and some engine work.
Here's some progress on the rearsets:








It took forever to do it this way. For the next one I'm going to drill a pilot hole, and rough cut the hole with the jigsaw before I mill. Easiest way would have been to put the piece on a lathe and bore it, but the swing on my lathe is about 1/3 what I would need to do this. :(
Then it's just a matter of milling the edges to shape, adding a pedal, and maybe drilling some lightening holes.
Stay tuned, cause there's a lot more work to be done!
nel2lar:
Can you use a angle plate and bolt the part to it and use a boring bar?
Nelson Collar
nel2lar:
jamoni
I caught my eye what you call it "DT 100". What does the DT stand for? I hope not Death Trap. :doh: :wack:
Nelson Collar
jamoni:
Not sure what you mean. Do you mean bolt the part to the angle one the slide, and use a boring head chucked up in the lathe? If I had a boring head I could. :)
This way works fine, it's just a little slow. Actually, I did the shift lever today, and it went a lot faster. I used the jigsaw to rough cut, and that saved a lot of time.
Unfortunately, I got distracted and went a hair to big on my press fit. It's in there, but not as tight as I want, and it'll work loose eventually. I got to make a new lever, but I'll use this one while prototyping:

So I got the rear brake linkage squared away, and rode the bike around. Brake works great. Needs a slight adjustment, but no biggie. However I found out that the kick start doesn't clear the rear peg.  :Doh:

No big deal, as I was planning to replace those pegs with beefier versions anyway. I'll need to modify the kickstart, but for now it's popstart only.
There's a lot left to do, but it's coming along nicely.
jamoni:

--- Quote from: nel2lar on March 17, 2012, 07:22:13 PM ---jamoni
I caught my eye what you call it "DT 100". What does the DT stand for? I hope not Death Trap. :doh: :wack:
Nelson Collar

--- End quote ---
I'm not sure what the DT means. I think the "T" means trail, and the "D" is just a model designator, but I could be wrong.
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