Scene – workshop portrait Zweirad Wiebusch

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Scene - workshop portrait Zweirad Wiebusch
Thomas Schmieder

Scene - workshop portrait Zweirad Wiebusch

Scene - workshop portrait Zweirad Wiebusch

Scene - workshop portrait Zweirad Wiebusch

Scene - workshop portrait Zweirad Wiebusch

10 pictures

Scene - workshop portrait Zweirad Wiebusch
Thomas Schmieder

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Picture gallery: Workshop portrait Zweirad Wiebusch.

Scene - workshop portrait Zweirad Wiebusch
Thomas Schmieder

2/10
Marco Wiebusch is all about precision in all of his work: “The hundredth of a millimeter counts!”.

Scene - workshop portrait Zweirad Wiebusch
Thomas Schmieder

3/10
Fork bridges for his BMW from milling yourself? An easy exercise for the multi-technician.

Scene - workshop portrait Zweirad Wiebusch
Thomas Schmieder

4/10
With soulful cylinder honing, hydraulic oil flows in streams. Cost according to the price list: 34.90 euros.

Scene - workshop portrait Zweirad Wiebusch
Thomas Schmieder

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Wall decoration and honor: “It’s amazing who used to drive everything up and for Zundapp …”

Scene - workshop portrait Zweirad Wiebusch
Thomas Schmieder

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Type case for men: Many cylinders for various Zundapps testify to eternal affection.

Scene - workshop portrait Zweirad Wiebusch
Thomas Schmieder

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“Something like that is rather rare in a two-wheeler business”: 5-sided CNC machining center with around 150 interchangeable attachments for in-house production of special parts.

Scene - workshop portrait Zweirad Wiebusch
Thomas Schmieder

8/10
For the Zundapp KS 125 Sport and KS 175 WC, Wiebusch has “improved the piston design”. He has them made by Wiseco.

Scene - workshop portrait Zweirad Wiebusch
Thomas Schmieder

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Showcase project: The Bielefeld native is installing many improvements to the engine, final drive, chassis and brakes on his HPN.

Scene - workshop portrait Zweirad Wiebusch
Thomas Schmieder

10/10
Has held the Zundapp flag high since his youth: Marco Wiebusch (41).

Sports & scene

Scene – workshop portrait Zweirad Wiebusch

Scene – workshop portrait Zweirad Wiebusch
Satisfied childhood love

Content of

As a versatile technician, Marco Wiebusch repairs engines of all makes, through cylinder coating, crankshaft overhaul and the CNC production of many special parts. But the Bielefeld man’s heart beats clearly for Zundapp.

Thomas Schmieder

10/06/2016

The sun burns heavily in Bielefeld-Heepen, near the A2, on a sober workshop building. Its only adornment is a large Zundapp sign above the entrance. Marco Wiebusch comes out in overalls with a cup of coffee. “It’s quiet today,” the 41-year-old says happily, “my high season is autumn and winter, when the motorcycle season comes to an end.” This technician is extremely broad-based, honing and drilling, welding and milling precision parts. He is a trained two-wheel mechanic as well as a state-certified mechanical and industrial technician.

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Satisfied childhood love

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But above all, Marco Wiebusch is the brand with skin and hair Zundapp lapsed, especially the models from Munich production. When the plant closed its doors in 1984, the young Marco (“built in 1975”) was only nine years old. Nevertheless, Zundapps became his great passion. “I started my two-wheeler career on a CS 25, which after a police check earned me six points in Flensburg and 20 social hours,” he remembers of the moped in a moped look that he personally “coiffed as hell”. That kicked hard, not cranked: “Engine, fork, swing arm, brakes – everything came from light or small motorcycles, K / KS 50 or K 80.”

Honda MBX or MTX 50 and 80 – they had to be destroyed

Every two months he had to completely dismantle the engine. “During this time I learned a lot as a screwdriver.” It was the seed for his profession. “At the beginning of the 90s, only Zundapp enthusiasts drove,” recalls Marco. “Everyone except me and my clique had Honda MBX or MTX 50 and 80 in the schoolyard – they had to be chopped up.” Those were eventful times. “In 1990/91 there were hardly any Zundapp spare parts, even standard parts such as seals became scarce. We had to fiddle around a lot. “

Marco got the necessary parts in Holland or from the nearby scrapyard, “there were always ten to 20 machines standing around to be cannibalized”. Marco’s first apprenticeship was 540 marks a month, an original crankshaft cost around 250 marks. “Zundapp went bankrupt because the machines were twice as expensive as those from Japan.” Marco continued his apprenticeship to the end, “still as an old school two-wheel mechanic, with bicycles, mopeds, motorcycles and garden vehicles”. Since he was 16, he had always had his own workshop at home, officially registered as an ancillary business.

Precision to hundredths of a millimeter

Marco Wiebusch made his mechanical engineering technician in metal and electrical engineering, the technical qualification and began studying at the FH Bielefeld. In 1999 he became completely self-employed. He’s also an industrial technician, has an instructor’s license and an employee. He took over representations for various brands. In February 2009 he had a serious fall on an icy spot during a test drive. His knee was completely shattered. “I was in a wheelchair for a year and had numerous operations.” Marco can walk normally again, only standing for a long time causes problems. “That’s why there is always a stool in the workshop.”

Precision to hundredths of a millimeter is Marco’s credo: on the five-sided CNC machining center, he produces one-piece rocker arm brackets for BMW boxers from jet engine titanium: “The hotter, the better its strength.” 650/800 save one kilogram. Marco rarely does complete inspections. But “preferably what others don’t do”. This applies in particular to the wear-resistant coating of cylinder running surfaces using hard chrome or nickel-silicon carbide: “Only diamonds are harder.”

Do you weld yourself? It’s clear!

Marco is now in his element, giving a lecture on piston clearance, heat dissipation and thermal expansion. Weld yourself? Sure, in TIG, aluminum and stainless steel. The technician bought his valve grinding machine from the Federal Police in Ratzeburg. Glass bead blasting to make engine parts shine again? A matter of honor. He makes the two-stroke KS 125 Sport and KS 175 WC legs with Mikuni flat slides, newly designed forged pistons and cylinder heads with a central combustion chamber. Conversion from six to twelve volts? Logical.

Marco also likes BMW. He converted his personal copy of a 1991 R 100 GS Paris-Dakar into a real HPN. It has off-road chassis, improved brakes and a six-speed gearbox from Kayser including a short final drive from an R 1100 GS. For the 1043 boxer, he had lighter slipper pistons made by Wiseco. “The BMW Forum quickly brought together larger quantities.” The list of his self-made HPN parts is endless: adapters for brake calipers, spacers for the brake disc, wheel axles, gear levers, titanium retaining bolts, lighter crankshafts with a flywheel that was lightened by 1.4 kilograms etc. “Some things look so simple, but cost time and nerves without end, such as the handlebar clamp.”

“Constructing things properly so that they work as well as possible”

Marco’s goal: “To design things correctly so that they work as well as possible.” Attention to detail does not go hand in hand with being as cheap as possible. He does not sell any “cheap inferior goods from the Far East”. Today, the spare parts supply for Zundapp is covered to at least 80 percent with immediately available parts from the Netherlands and Portugal. Just in case, Marco stores used parts: cylinders and entire engines, rims and exhausts. “I don’t have to send anyone away, I can reproduce a lot.” In a glass showcase are Zundapp insignia as if presented in a museum: blown pistons, emblems, historical operating instructions.

The Zundapp book from Johann Kleine Vennekate-Verlag lies on the desk. The publisher is a customer of his. The website of the Zundapp specialist (www.zweirad-wiebusch.de) lists detailed technical data on the models with 50, 80 and 125/175 cm3 displacement plus a type list of all post-war models. The “technical messages” of the plant from 1971 to 1983, which were once typed on a typewriter, are also scanned online. Not to forget: useful, general information about cylinder coating.

For real enthusiasts, Marco Wiebusch always has time on site in Bielefeld. “I don’t even know most of the customers personally.” Because they send their engines or dismantled parts to Europe by post. Not only for Zundapp, but also for BMW, Honda, Kawasaki and Suzuki, from one to four cylinders. Perhaps the hobby angler will then tell you how he once won the “Hannibal Challenge”, the Rome-Speinshart Rally. On the Zundapp KS 50, of course.

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