Φ Bultakenstein [Aborted]

Here we have a rear carrier assembly I designed that would tie the frame, rear engine mounts and swingarm pivot all together. I thought the second, smaller tube at the bottom, though … A stupid design that won’t workRead more

And here we have the design for the assembled rear carrier assembly, which will tie the frame, rear engine mounts and swingarm pivot all tI need to make sure that my new … Laser measurementRead more

Now that I’ve had my fun with the arty-creative version of the part, here’s the boring, form-follows-function version, which is more like it will probably end up if I have to fabricate … More engine mount designsRead more

Since I discovered that the Matador rear engine mounting bracket that I bought on Ebay isn’t going to work, so I had to design new rear engine mount brackets. I first drilled … Engine mount designRead more

I stripped the paint off the swingarm. For some reason, somebody did a crappy job of painting the YZ125C swingarm white, and much of the surface was rusty and corroded where both … Stripping swingarmRead more

I now have enough parts that I need to stop collecting and start making them all work together. But this is definitely a “back burner” project, and I’ve only been able to … Cylinder misfortuneRead more

As I said when I started this thread, it is going to be a very slow process, since I am trying to do this in my spare time at minimal cost. The … Trying to save time and moneyRead more

I haven’t updated this in several months, mainly because I haven’t progressed enough to have anything new to show. I decided that I definitely want to go with a Bultaco engine, for … Engine considerationsRead more

The forks are from a Suzuki GS650L cruiser. I was originally looking for a set of standard GS450 or 550E forks, because I thought the leading-axle design used on the “L” moddels … Leading axle front forksRead more

I have not done much work on the bike other than lots of measuring and test-fitting, but here’s an update. I revised my swingarm arrangement. A new swingarm bush arrived and the … Swingarm updateRead more