Bultaco

I finished cutting out and smoothing the shock mounting plates. I also gave myself the option of attaching a head stay to this later on, if needed. Here it is clamped to … Shock mounting platesRead more

Okay, refer back to the photo of the crappy spacers I made about a month ago. Now, here are the new spacers I made on that lathe last night. Notice how the … First lathe workRead more

So, I’m currently distracted from the Bultakenstein project by another new toy, which I’ve nicknamed “Baby”… …but once I get ‘er shimmed level and bolted down, clean off the cosmoline, get a … My new latheRead more

I’ve been suffering from a chronic lack of motivation on this project for a while now. To be frank, I’ve been somewhat depressed about how unprofessional it’s turning out to be. I … Forward shock mount fabricationRead more

I managed to do a little something: alloy spacers to center the rear shock mount. Unfortunately, I might re-do them. Didn’t cut them perfectly straight with the hacksaw, so by the time … Rear shock spacersRead more

I ran across this 1977 factory design sketch of Bultaco’s proposed 250cc version Streaker in Francisco Herreros’s history of Bultaco, A Passion For The Sport.I had seen this before, and even though … Bodywork sketchesRead more

Using online parts fiches, I found one Suzuki with non-leading-axle forks (for less offset and more trail) that I can positively determine will directly swap onto my bike: The 1982 GS750EZ. It … Alternative Fork ChoiceRead more

I set about measuring my rake and trail numbers tonight.My methods were not terribly accurate or scientific, but I think I have a general idea of what my setup is.First, I set … Rake & TrailRead more

An online acquaintance tipped me off that the sprocket from a Suzuki GS300L will bolt up to my GS450T rear wheel, which originally took a 530 chain, but match the 520 chain … GearingRead more

I took some time this morning to shift gears and play with the front brake. I had picked up a Virago 250 caliper and an Kawasaki 125 Eliminator disc just pretty much … Front BrakeRead more