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Category: Bultakenstein

A shadetree amateur’s attempt to create my own low-budget, scratch-built motorcycle, to find out whether I could do it. Ten years later, I still don’t quite know the answer.

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  • Bultakenstein
On January 26, 2023

Engine and frame color ideas

Bultakenstein’s motor has returned from its West Coast spa vacation, looking very healthy. True to theRead More

  • Bultakenstein
On January 5, 2023

Bultakenstein’s motor is built!

I got a call from Ralph Weidling at Bultaco Parts US. The salvage Model 143 FronteraRead More

  • Bultakenstein
On October 3, 2022

Engine set for rebuild

Ralph Weidling just called to say he’s ready to start rebuilding Bultakenstein’s engine. I sent itRead More

  • Bultakenstein
On October 25, 2021

Ten Years On…

Today marks the 10-year anniversary of the first post I wrote about Bultakenstein. At the time,Read More

  • Bultakenstein
On April 9, 2021

Speedometer mock-up

I bought a speedometer from a Suzuki GZ250 and set it on Bultakenstein to see howRead More

  • Bultakenstein
On April 6, 2021

Progress photos

I rolled Bultakenstein outside for some progress shots, to keep me motivated. Chassis fabrication is basicallyRead More

  • Bultakenstein
On March 26, 2021

Revised steering complete

I got the front end back from my local welder, all nicely TIG’d up. I startedRead More

  • Bultakenstein
On February 23, 2021

Steering stem progress

The revised steering stem setup is coming along nicely. The GS500E steering stem is a snugRead More

  • Bultakenstein
On February 19, 2021

Seat mounting clamps

I mounted the seat this morning. Nothing very high tech, but still a minor milestone. IRead More

  • Bultakenstein
On February 10, 2021

Revised steering stem

Examining the GS500 steering steam I had purchased for the Aermacchi-Ducati Special. I discovered that theRead More

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Project Bikes

  • Aermacchi-Ducati Special
  • Benelli 250R
  • Bultakenstein
  • Honda CL125S [Sold]
  • The Bride
  • Various

Recent Posts

  • Another possible idea
  • Engine mount modification
  • Back on its wheels
  • Final assembly commences
  • A Quick Visualization

Snap Judgments

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