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Sportster Motorcycle Engine Conversions Advice, questions, and tips for 1200, 1250, 1340, 1450 etc... for Sportster and Buell motorcycle engine conversions

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  #31  
Old 11th February 2023
John Harper John Harper is offline
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Congratulations!

John
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  #32  
Old 11th February 2023
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Nibelungen Nibelungen is offline
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Quote:
Originally Posted by decman View Post
Many areas including Europe have tiered MC license and insurance levels,
900cc being one of the steps.

It wasn't till '86 that you had a choice of engine sizes on a new bike.

Also many people forget that the whole SE line of performance parts were originally for Sportster only, they did not make SE parts for BTs until later.

I can't find it now but isn't there a MC racing that requires the MFG to sell bikes of that class and size?
Correct
Overhere between 883 and 1200 more differences in taxes than in performances
When totalled my engine... chose to rebuild to 883 size... rectified and honed with stringent tolerances... maybe now is a 890 cc
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  #33  
Old 11th February 2023
Turbo Sporty 48 Turbo Sporty 48 is offline
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Default Who Would Know?

Quote:
Originally Posted by Nibelungen View Post
Correct
Overhere between 883 and 1200 more differences in taxes than in performances
When totalled my engine... chose to rebuild to 883 size... rectified and honed with stringent tolerances... maybe now is a 890 cc
This is not NASCAR or F1, are goobermints doing teardowns to measure size?
Thought about getting a 883, probably should have.
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  #34  
Old 11th February 2023
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Steve9 Steve9 is offline
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Quote:
Originally Posted by Nibelungen View Post
Correct
Overhere between 883 and 1200 more differences in taxes than in performances
When totalled my engine... chose to rebuild to 883 size... rectified and honed with stringent tolerances... maybe now is a 890 cc
I won't not tell nobody...
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  #35  
Old 11th February 2023
Nibelungen's Avatar
Nibelungen Nibelungen is offline
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Sportster/Buell Model: xl883n Iron (2019 engine)
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oh

that was done with papers regular by the book

P.S. I know every bolt and nut of my Sporty... so I will keep it... forever

for my retirement though... I will buy a superbike... again...
no need to do performance mods on these... they are good as they are...

the best of two worlds
a Sporty...
and a Sportbike...
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  #36  
Old 4th April 2023
bagster guy bagster guy is offline
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When guys like Hammer Performance say don't mess with the jugs on newer Sportsters I'm taking their word over Joe Blow backyard mechanic. I want my shit to stay together.
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  #37  
Old 4th April 2023
bagster guy bagster guy is offline
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Hammer and places like that have a thing called integrity and they'll tell you like it is they're not just trying to cram new jugs down your throat.
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  #38  
Old 4th April 2023
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??? post #23 mention's they're still boring XL cylinders.883-1200 on site.
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  #39  
Old 4th April 2023
Tomcatt Tomcatt is offline
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Quote:
Originally Posted by brucstoudt View Post
??? post #23 mention's they're still boring XL cylinders.883-1200 on site.
The older (pre 2008?) 883 cylinders that have thick enough liners. The newer 883 cylinders can't be bored to the 3.500" 1200 bore size.
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Last edited by Tomcatt; 4th April 2023 at 22:56..
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  #40  
Old 4th April 2023
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aswracing aswracing is offline
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That's correct. Read Service Bulletin M-1267 "883 Cylinder Liner Change" here.
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