Bultaco

As I am working out my footpegs and foot controls, one additional requirement is to provide clearance for the kickstarter. There is no way a stock Bultaco kickstart arm will work. As … Kickstarter designRead more

I rolled it outside briefly and took a picture of its current status, to keep me motivated and record my progress.

One of the first things I did, 8-1/2 years ago, was mount the swingarm. I was originally trying to build the bike with no machining or welding capabilities, so I made some … Footpeg bracket fabricationRead more

Moving on to the next task: pegs and foot controls. Playing around with a set of Yamaha YZF600R footpegs and pedals as my starting point, all the configurations I came up with … Footpegs & leversRead more

The rear of the crankcase will be rubber-mounted, but the front will be bolted directly to the frame downtube. An online acquaintance expressed concern that this arrangement might actually make vibration worse, … Vibration issue?Read more

I got the sprocket carrier drilled, as accurately as I could, then bolted it up, and temporarily mounted the chain to see what I had.Fortunately, there were no rude surprises, and everything … Sprocket InstalledRead more

Well, the problem child continues to present me with problems. The idea of just “taking a bit off the face” of the sprocket carrier to move the stock ID sprocket toward the … Sprocket carrier issuesRead more

With the counter shaft sprocket solidly in place, I could now get an accurate measurement of my sprocket alignment. The drive sprocket and rear wheel sprocket are less than 1/4″ out of … Sprocket alignmentRead more

It’s been a long time in coming, and feels fairly momentous: for the first time in 8-1/2 years, I have the crankcases, the wheels, and suspension all solidly bolted to the frame. … Rear motor mounts are doneRead more

You know the old saying, “Measure twice, cut once?” Of course you do; it’s a well-known saying for a reason. Even though I started by making up a hardboard template first, my … Lower motor mountsRead more