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Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

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  #5341  
Old 21st September 2021
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brucstoudt brucstoudt is offline
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^^^looks like a belt final drive on that?
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  #5342  
Old 22nd September 2021
Iron Mike Iron Mike is offline
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It is.
I spent a hour on it this eve, ran the valves, fixed a petcock leak, adj clutch and put a battery in it. Looked in the spark plug holes and confirmed new pistons. Put the plugs back in, put some gas and hit the button. Purred like a kitten.
Too bad it has those goofy bars and that silly tank. At least it distracts me from the pipes.
I’m not even letting this one in the garage, it has to go…soon.
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  #5343  
Old 4 Weeks Ago
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Quote:
Originally Posted by Iron Mike View Post
It is.
I spent a hour on it this eve, ran the valves, fixed a petcock leak, adj clutch and put a battery in it. Looked in the spark plug holes and confirmed new pistons. Put the plugs back in, put some gas and hit the button. Purred like a kitten.
Too bad it has those goofy bars and that silly tank. At least it distracts me from the pipes.
I’m not even letting this one in the garage, it has to go…soon.
For how much????
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  #5344  
Old 4 Weeks Ago
Iron Mike Iron Mike is offline
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$1000. You must be seeing the same bikes as me if your in the area.
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  #5345  
Old 4 Weeks Ago
Iron Mike Iron Mike is offline
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https://phoenix.craigslist.org/wvl/m...386021065.html
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  #5346  
Old 4 Weeks Ago
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Ferrous Head Ferrous Head is offline
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Sportster/Buell Model: XLB, XLCH, Sporton
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Sportster/Buell Year #2: 1966
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Quote:
Originally Posted by Iron Mike View Post
He's been trying o sell it for a while now.

While it's interesting to look at I would have serious reservations about it being a successful race bike.

My biggest concern would be the strength of the frame in the neck area. Sidecars aren't solo's and the strain on the neck will twist it unless properly designed.

In Australia we have a class that suits Ironheads perfectly. Period 3. But this is not a Period 3 and would have to race against Period 4 bikes. That includes Honda 4's. You need 120 hp at a minimum to compete successfully.

I looked at racing mine in the US. But the rules here would make it impossible for me. I can't make hood HP and run on a long track while running gas.
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  #5347  
Old 4 Weeks Ago
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braze and welded are not the same thing where i come from. AWS certified all positions unlimited thickness.
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  #5348  
Old 4 Weeks Ago
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^^simulpost!
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  #5349  
Old 4 Weeks Ago
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Having another look and I see another problem or two.

The key to sidecar handling is getting as much weight on the front wheel as you can. The engine is too far back from the contact patch on the front tire.

Also there is no seat position. This is what we call a "kneeler" as you kneel on the bike rather than sit on it. That's a knee cup just underneath what would be the seat.
But if your forced to kneel for every single minute you are on the bike it will take too big a toll on your legs. The bike needs to be designed so that you "lay" on it more than kneel.
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  #5350  
Old 4 Weeks Ago
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Ferrous Head Ferrous Head is offline
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Quote:
Originally Posted by brucstoudt View Post
braze and welded are not the same thing where i come from. AWS certified all positions unlimited thickness.
Braze welding is more commonly known as bronze welding. It is a welssing process as the metals are fused. It's not brazing as such.

used on Manx Norton frames and the like. uses less heat and therefor better than welded joints.
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