Sportster Models 883, 883 Custom, 1200 Custom, 883L, 1200L, 1200S, 1200 Roadster, XR1200, and the Nightster.
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Old Nov 23, 2013 | 11:59 AM
  #1  
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Default Engine Upgrade

So I was originally going to try and get a Dyna but just don't have the funds with twins coming. So I was wondering if anyone here has done a 88 or 90 big bore kit to their Sportster/ Nightster? Who makes the best one, and I know this is just an opinion but looking for pros n cons.

Thanks Tef
 
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Old Nov 23, 2013 | 01:39 PM
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It's a lot of work and will likely cost you about as much as selling your bike and just buying a dyna. I've heard anywhere from about $3k-5k when you're finished.
 
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Old Nov 23, 2013 | 11:05 PM
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Yeah I heard up to 5k too. Contact Hammer Performance and sign up on XLF. They give discounts to forum members there. Do some searches there and you'll find a couple of people asking the same question. Right now, Hammer seems to be the creme of the crop. Good luck and pics when you do it.
 
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Old Nov 24, 2013 | 07:06 AM
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If you're expecting twins you have more important and bigger things to bother yourself with than spending lots on your bike! An 88/90 inch Sportster will cost around as much as an upgrade to a Dyna. How about a 1250cc kit instead?! We have plenty of useful info in here about them and you will get a decent improvement in performance, while still having funds for the twins........
 
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