Copperhead 1917 Harley Davidson Replica from a 1979 Sportster

by Paul Crowe - "The Kneeslider" on 2/28/2012

in Motorcycle Builders

Copperhead Replica 1917 Harley Davidson

Quite a few builders have gone all out creating exact replicas of the early Harleys, only problem is the machines are not very practical to ride. Copperhead is not an exact replica but has a strong family resemblance to a 1917 Harley Davidson, though it began life as a 1979 Sportster. In other words, you have the antique look with a practical ride, qualities that remind me a lot of another bike we've mentioned here, the Warboy 883 XWL. Anyone familiar with bikes will see the modern parts, like disc brakes, but the copper and brass everywhere plus the proper paint colors give it a really antique feel.

1917 Harley Davidson for comparison

1917 Harley Davidson for comparison

Copperhead Replica 1917 Harley Davidson engine closeup

The wheels and tires are modern, but look right. Fluid levels are easy to check with sight glasses, there's a copper headlight enclosure, braided plug wires, it's a well done custom. The video below shows it works like a modern bike, sounds like a Sportster and looks like it was just restored after being discovered in some long forgotten barn.

Copperhead Replica 1917 Harley Davidson

You could roll up to any antique bike show and fit right in. This looks like it would be a hoot to ride. I like it.

It's for sale on eBay.

Video below:

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{ 14 comments… read them below or add one }

HoughMade February 28, 2012 at 10:47 am

That looks like a great bike. I seem to remember a frame kit, maybe a sidecar rig, made by Ness that used an XL engine that mimicked the look of a WWI era bike. This isn’t it (I don’t think), but I always thought that kit was a great idea…but I looked for it and can’t find it anywhere, so maybe I’m the only one. I would love something like this.

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Carolynne February 28, 2012 at 11:43 am

Thats very eye catching bike. Nice work

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Norm February 28, 2012 at 11:58 am

I can’t see Willie G. getting behind this but I like it and I think if it was introduced in a kit form that there are a few out there that would buy it. One of the things that brought back some memories was the rocker clutch. My first Harley, a 49 Pan, had one with a “feel through” shift. There was something satisfying about shifting with you hand and toeing the clutch.

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Scotduke February 28, 2012 at 4:03 pm

I do like this, curious but nice.

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AlwaysOnTwo February 28, 2012 at 6:18 pm

What a hoot! Guess that’s the proper way to say it.

I was hoping for more details on the engine and the apparent mods to the valve covers and both side cases. Nothing I could find. Did he cast and machine his own covers? What is the purpose to the take-off housing on the right side? Looks like maybe the left side case was modded to a suicide clutch and the lack of a clutch handle sort of confirms that. Which means the Sporty wet clutch had to undergo some wrench work. Any help @Paul Crowe?

I’m not a fan of the retro this far back retro, but I do like this bike. Lotta work to make it look so much like a simpler bike of the time..

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'37 Indian February 28, 2012 at 8:17 pm

I like this one, must be fun to ride, sort of an early day retro-chopper. For me, there’s too much chrome, the frame gooseneck looks odd, and the muffler isn’t right with the overall theme of the bike. The workmanship looks top notch. One of my far away projects is to use an ironhead Sporty motor and make a poor man’s Vincent/Brough Superior, and this gives me some styling cues for that.

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Thom February 28, 2012 at 8:47 pm

I’d like it better without they gooseneck frame. A bike that long doesn’t need to be made longer.

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dman February 28, 2012 at 11:54 pm

Lots of fine work for sure. But I am having trouble with the fact that in profile it is two feet longer. It doesn’t seem necessary. It could have been quite a faithful copy except for that. Which brings me to my bigger gripe: Tribute bikes, like the Triumph Steve McQueen Edition that has virtually no resemblance to the original it was intended to emulate. Light green seat? No valanced front fender? Different size wheels? No low-rise handlebar? All these were within their control and would have made a modern bike in the true spirit of the original. Seems like a hurry-up job…

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Bigshankhank February 29, 2012 at 7:26 am

Wow, well as hard as it is to find parts for a 1979 Sportster (look up the curse of Fits All Years Except 79), I guess making your own is the path of least resistance. Pretty amazing what a person can do with the time and talent, while I haven’t bothered to cleann the carb on my dirtbike in six months. I am jealous.

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B50 Jim February 29, 2012 at 12:55 pm

Very sharp! I love the styling of bikes from the teens and ’20s, and this catches it nicely. I agree the gooseneck is irrelevant, though. Look at the genuine article from ’17 and you’ll see no wasted space; it’s a logical, compact layout. Copperhead seems to have at least 12 inches of extra frame. Cut that out and bring the wheels closer to the center, and it will be a winner. That is, for anyone willing to risk a hand shift and suicide clutch. There’s a reason the manufacturers went to toe-shifted gearboxes and clutch levers on the bars. The term “suicide clutch” meant just that. Still, this is a very good-looking bike.

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HoughMade February 29, 2012 at 2:52 pm

Trying to rack my brain. In my earlier post, I mentioned a kit. I have seen a reference to an Arlen Ness “Antique XL”, but I can’t find any pics. Anyone know what I am talking about or have info.? It was a kit that used a late Sportster drivetrain, but in a pre-1920 look frame. I saw it years ago in :Kit Car” magazine, then a couple years ago in “American Iron”.

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SmithMotorWorks March 1, 2012 at 2:57 pm

I seem to remember reading about that kit in this book: Arlen Ness: The King of Choppers, but I’ve never seen one in person.

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bob wark March 1, 2012 at 6:21 am

With all due respect i must comment. People repeatedly call hand shift/foot clutch bikes “suicide shift”,,,,sorry but not quite right. The rocker, heel-toe clutch is spring loaded and has and adjustable friction disk set up. You can “pull’ the clutch in and take your foot off the board, it will stay disengaged,,,,if properly adjusted and in good condition the spring a friction do this. Not an inherently unsafe system. On many choppers most of this is removed leaving only a pedal and return spring, that is a suicide clutch, lose your balance, put your foot down and away you go. Too much chrome, no like chrome!

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beezaric March 1, 2012 at 8:37 pm

But its still a damm Harley

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So, what do YOU think?

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