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A vision of what never was

There are Harley builds that lean into nostalgia.

And then there’s the Harley Davidson Iron Lung.

Built by Icon 1000 out of Portland, this 1991 Sportster roadracer feels less like a restoration and more like a provocation. A factory race bike that never existed. A question nobody asked, answered anyway.

Harley Davidson Iron Lung by Icon 1000, left side profile

Gold and cream livery. Big 91 plates. Low, tight stance. And twin SuperTrapps stacked out back like a warning.

Icon described the Iron Lung like this:

“She was an accident waiting to happen. 600 pounds of American coke fired iron, riding on weather-checked English rubber. Cracking femurs or rupturing internal organs were her specialties, and she had done so on more than one occasion. The Iron Lung, a 1991 Harley Sportster roadracer, was a vision of what never was, in response to a question that was never asked.”

That pretty much says it.

But what makes the Harley Davidson Iron Lung still hit today isn’t shock value. It’s commitment.

The graphics are bold without being cartoonish. The lightning bolts down the fork legs, the subtle circuit-style pattern woven into the paint, the massive drilled rotors, the brutal stance. Every detail feels intentional.

Harley Davidson Iron Lung tank detail

Harley Davidson Iron Lung fork lightning detail

Look closer and it gets better.

The raw metal engine cases scuffed and marked like they’ve already done time. The minimal cockpit behind that small fairing keeps it focused and purposeful. The way the number plate dominates the side profile.

Harley Davidson Iron Lung number plate 91 detail

Even the Ballistic battery tucked up top feels like part of the aesthetic.

Harley Davidson Iron Lung tail section battery detail

And those dual SuperTrapps? They aren’t decorative. They look like they’d bark.

Harley Davidson Iron Lung SuperTrapp exhaust detail

Icon 1000 built the Iron Lung at a time when custom Harleys were either choppers or chrome-heavy cruisers. This went the other direction. Road race posture. Track attitude. Zero interest in being polite.

It’s aggressive. It’s graphic. It still feels current.

More than a decade later, the Harley Davidson Iron Lung doesn’t read like a period piece. It reads like a blueprint.

Harley Davidson Iron Lung by Icon 1000, right side profile

Related build: Icon 1000’s Custom Triumph Thruxton “Three Martini Lunch”, a more refined take on modern cafe racing.

Icon 1000: Web | Instagram | Facebook

Originally published January 28, 2014. Updated in 2026 with restored imagery and revised copy.

Patrick Flynn

Patrick Flynn

Patrick Flynn, a lifelong motorcycle enthusiast, combines over a decade of OEM motorcycle marketing experience with his passion for custom builds. Since 2008, he has been the driving force behind The Bullitt, a digital platform celebrating the art and culture of motorcycles.