Φ Bultakenstein [Aborted]

The Pursang frame is definitely not an optimal candidate for a monoshock. The problem is not interference from the engine (as Ken pointed out, there’s plenty of room between the cylinder head … Noodling with rear damperRead more

To assess exactly what I’d come up with so far (and help keep my motivation up), I attached the handlebars and set the engine, tank and cardboard seat pattern roughly in place. … Outdoor PicsRead more

I had both of the stock GS450T axle spacers, so once I had aligned everything the best I could using a laser and steel rulers and carpenter’s squares and plumb bobs, I … Rear wheel mounted in the swingarm.Read more

I spent some time working on the rear wheel this morning. I got the grody old tire off, dropped the engine into the frame and lined the rim up with the centerline … Rear wheel inspectionRead more

I went ahead and shifted the swingarm closer to the centerline of the bike. I created a spacer for the left side of the swingarm from 3/8″ steel plate. Not only did … Swingarm Spacer FabricationRead more

I got the steering stem back from the machine shop, and I actually gave them all the right dimensions to make it work. Here you can see where the diameter was turned … Machined StemRead more

I still haven’t decided whether to re-machine the swingarm pivot to eliminate the swingarm offset, but considering it led me to re-order a few tasks. I did some measuring and determined that … Steering Head designRead more

I re-read through my earlier posts, and it dawned on me why I offset the swingarm to the left in to begin with. (That right there makes this build blog worthwhile, even … Swingarm spacer ideaRead more

I finally pulled the Bultakenstein project out again. I mean that literally; I haven’t accomplished anything new, I just took the frame down out of the rafters, pulled the swingarm off the … Back at itRead more

I’m putting this project to bed for a while. Christmas presents and holiday parties will drain the finances a bit over the next month or two, and then I am going to … Swingarm primedRead more