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Sportster Models 883, 883 Custom, 1200 Custom, 883L, 1200L, 1200S, 1200 Roadster, XR1200, and the Nightster.
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Old Oct 21, 2011 | 06:28 PM
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bwana1
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Originally Posted by mmcbeat
On a 550# scooter, I would think a lot would depend on the weight of the rider. Comments?
Weight affects acceleration but, above 100 mph aerodynamics becomes more of a factor.
 
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Old Oct 21, 2011 | 07:01 PM
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I've been through the radar at 151 and still had throttle left. Mines far from stock tho......
 
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Old Oct 21, 2011 | 07:08 PM
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883-1200 conversion, bored .10 over, mild headwork, valve job, upgraded ignition. I weigh about 150#. Buried it at 120 once, my face felt funny, I had to slow down! 100 is easy, but umm...scary. They do not handle like a sport bike!
 
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Old Oct 21, 2011 | 08:49 PM
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I have had my Iron just over 100, maybe 103 and there was not much left in her. I only weigh 140.

Once it gets past 90, takes a bit for the last 10-12 mph...
 
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Old Oct 21, 2011 | 10:03 PM
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Mine done 111 mph in the 1/4 mile and 120 mph in 4th gear down a West Texas road, not too bad with my 250 lb butt on board with a few mods.
 
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Old Oct 21, 2011 | 10:47 PM
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I've hit 120 on my nighster but my gas light comes on I thought maybe it wasbikes way of saying back off
 
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Old Oct 22, 2011 | 06:14 AM
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I have seen between 115-120 MPH on my 08' Nightster. I don't recommend it with stock gearing... Sounded like she was ready to blow. I run her at about 90 to 95 MPH for about an hour when headed from Vegas to my hometown. Bike handles it just fine. I will be installing an oil cooler for next summer though.

I wish I had a sixth gear...

If you are interested, Here is a link my drag race video:
https://www.youtube.com/user/joelspencer666
 
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Old Oct 22, 2011 | 07:08 AM
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Had my stock 95 1200 to about 115 on the speedo a few times, might have had more in it but I had to back off. I installed one of the available fork braces and that seems to have helped the feel of it at speed.
 
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Old Oct 22, 2011 | 08:58 AM
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My Iron tops out at 110-113
 
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Old Oct 22, 2011 | 09:07 AM
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Originally Posted by streetfighter06
I researched this a couple years back. If I recall, a STOCK 883 will max out at 103 mph, and a STOCK 1200 will max out at 125 totally pushed. Anyone else?
Living in Germany with the Autobahn, I have noticed that my 2011 883 tops out at about 103. So you definitely recall that correctly. Keep in mind I'm kinda' a big guy for a sportster weighing in at about 220.

After my screamin eagle intake and xied's, I think I have hit around 106 but who knows if that was just the wind, hill slope, gas or whatever that made the difference.
 
Last edited by Amn Kafka; Oct 22, 2011 at 09:11 AM.
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