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Tanshanomi’s Bikes

  • Benelli 250
  • Retroblaster
  • El Fènix
  • Bultakenstein [Aborted]
  • The Bride [Sold]
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Retroblaster

I’ve wanted to build a sprung-seat cruiser with a tiny tank. The Retroblaster is a half-baked, constantly evolving attempt at this.

The Retroblaster goes back to a 2-stroke
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  • Retroblaster

The Retroblaster goes back to a 2-stroke

February 27, 2026February 27, 2026

Since the five-horsepower diesel engine I bought has been reallocated to the Benelli 2C project, the Retroblaster’s KTM frame was suddenly without a suitable engine. It occurred to me that the ATC250 … The Retroblaster goes back to a 2-strokeRead more

Tire mounting — never easy, is it?
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  • Retroblaster

Tire mounting — never easy, is it?

October 10, 2025February 27, 2026

I bought a pair of Heidenau K66s, which I really like. (I used this same tire on The Bride). In this case, I’m going with identical tires front and rear, 90/80-16. They’re … Tire mounting — never easy, is it?Read more

Configuring the drive train
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  • Retroblaster

Configuring the drive train

September 17, 2025February 27, 2026

Since this project will entail hitting the easy button whenever possible, the jack shaft is a full-keyway 20 mm shaft supported by flange-mounted bearings in ridiculously heavy 3-bolt bracket housings. A pair … Configuring the drive trainRead more

A diesel cruiser?
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  • Retroblaster

A diesel cruiser?

September 4, 2025February 27, 2026

Ever since The Bride went to the West Coast, I’ve missed having a CVT-equipped bike to toodle around on. So, I’m jumping back into this pond and combining a mini-bike-ish industrial engine … A diesel cruiser?Read more

Only mostly dead
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  • Retroblaster

Only mostly dead

February 10, 2025February 11, 2025

As I face some fairly significant life changes down the road, I’ve decided to start selling off much of my stash of parts. I pulled out everything I’d stored in the crawlspace. … Only mostly deadRead more

Revisiting the Retroblaster
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  • Retroblaster

Revisiting the Retroblaster

January 11, 2024February 10, 2025

With the completion of The Bride, I took some time to take stock of the various projects and parts I had squirreled away in corners of my basement. I decided I’m not … Revisiting the RetroblasterRead more

Steering stem removal
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  • Retroblaster

Steering stem removal

July 16, 2022February 10, 2025

Unlike the Suzuki triple clamp I used on Bultakenstein, the Yamaha Venture triples are aluminum. That means that the steel steering stem is simply pressed in, not welded. No grinding needed, or … Steering stem removalRead more

Forks and brakes
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  • Retroblaster

Forks and brakes

May 3, 2022February 10, 2025

Regular followers will recall that I originally bought a pair of Yamaha Venture XVZ1200 front wheels and tires for The Bride. The hub turned out to be too wide to use on … Forks and brakesRead more

New Retroblaster Tank
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  • Retroblaster

New Retroblaster Tank

August 5, 2021February 10, 2025

When I’m frustrated by not being able to spend time in my shop, I cruise Ebay for parts. I bought a fuel tank for the Retroblaster-KTM-Bobber-Thing. For $55 shipped, not a bad … New Retroblaster TankRead more

Hacking the KTM frame
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  • Retroblaster

Hacking the KTM frame

July 20, 2021February 10, 2025

This is me being disciplined, sticking to my prioritized task list, and NOT getting distracted by the newest trinket I bought. Actually, I told myself that I needed to go ahead and … Hacking the KTM frameRead more

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  • Benelli 250
  • Retroblaster
  • El Fènix
  • Bultakenstein [Aborted]
  • The Bride [Sold]
  • All Projects