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Sportster Motorcycle General Discussion and Problems For discussing problems about your Sportster motorcycle that don't fit anywhere else.

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  #1  
Old 9th May 2019
razorbacksrule's Avatar
razorbacksrule razorbacksrule is offline
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Sportster/Buell Model: 2002 883r Sold
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Default Horsepower Guess

Thinking of buying another Sportster . It's a 1999 883 with a S&S 1200 conversion S&S Super E carb Ultima Ignition and aftermarket Exhaust . What could I expect horsepower wise around 70 hp ?
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  #2  
Old 9th May 2019
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Hopalong48 Hopalong48 is offline
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Make a dyno pull part of the deal. then you will know everything you need.

Sent from my SAMSUNG-SM-G891A using Tapatalk
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  #3  
Old 9th May 2019
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razorbacksrule razorbacksrule is offline
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Sportster/Buell Model: 2002 883r Sold
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razorbacksrule is just really nicerazorbacksrule is just really nicerazorbacksrule is just really nicerazorbacksrule is just really nicerazorbacksrule is just really nicerazorbacksrule is just really nicerazorbacksrule is just really nicerazorbacksrule is just really nicerazorbacksrule is just really nicerazorbacksrule is just really nicerazorbacksrule is just really nice
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Closest dyno to here is 70 miles away that's probably not going to
Happen .
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  #4  
Old 9th May 2019
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Hopalong48 Hopalong48 is offline
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A stock 883 from that time made about 45 hp. so a 1200 kit with good heads and cams could bring it up some. But just putting the parts on doesn't guarantee the hp you would like it to have. But its a start. the most important thing is how much do you like it.

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  #5  
Old 9th May 2019
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bustert bustert is offline
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got a really good smart phone??
they usually have an app for that!
you can use the accelerometer function to calculate the numbers.
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  #6  
Old 9th May 2019
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razorbacksrule razorbacksrule is offline
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I was basing 70hp on a 883 I done a conversion to a few years ago . It had an SE 1200 kit SE Ignition and SE slip on Exhaust . It pulled 72hp on the Dyno .
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  #7  
Old 9th May 2019
hammer6315 hammer6315 is offline
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Sounds about right. Are you happy with the performance?
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  #8  
Old 9th May 2019
RussW RussW is offline
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Check to see if the conversion was by installing one of the "74XLSS" kits, which included their Super Stock heads, Super E , 500 cams, etc. It would say "Super Stock" right on the heads. If so, you can figure low 80's with a marginal exhaust, high 80's with a good exhaust. Mine pulls mid 90's after changing to a Woods cam
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2002 Hugger, S&S 1200 conversion, Woods cam,SE ignition/coil, D&D Fat Cat
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