Sportster Models 883, 883 Custom, 1200 Custom, 883L, 1200L, 1200S, 1200 Roadster, XR1200, and the Nightster.
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883 to 1200 ENGINE MOD ADVICE

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Old May 25, 2023 | 06:24 PM
  #21  
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Last edited by Garry Sr; May 25, 2023 at 07:38 PM.
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Old May 26, 2023 | 06:08 AM
  #22  
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Originally Posted by TimC63
I did a 883 to 1200 on my 2011 SuperLow. Bought the Screamin Eagle kit with heads. Installed Feuling 505/515 cams. Still breaking it in but it's a BIG DIFFERENCE. A lot more ***** in every gear.
I did the same kit but after reading up on the W cams I didn't do mine just to keep it simple. There's still a big difference but I'm sure you're putting out more power than I am. I geared mine way before I did the upper end too so I never tried it with the 883 gearing. I'm all highway so for me it really was either gear the bike or buy something bigger.
 
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Old May 26, 2023 | 06:19 AM
  #23  
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I'm not going to do 55 or 60 to keep the vibrations down when everyone else is doing 75 or 80. A bike that can't keep up with the flow of traffic to me is junk.
 

Last edited by Garry Sr; May 26, 2023 at 06:33 AM.
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Old May 26, 2023 | 07:27 AM
  #24  
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It was vibrating so bad at 80 I was waiting for the engine to scatter on a brand new bike.
 
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Old May 26, 2023 | 07:56 AM
  #25  
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I don't know how anyone can call an 883 a chicks bike when you'll be man handling it at those speeds. You'd have to really hate your wife.
 
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Old May 26, 2023 | 08:08 AM
  #26  
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Originally Posted by TestFlyer
Looking for advise here from owners who made the jump from an 883 to 1200 engine mod.

Did it REALLY make a noticeable difference after the mod? I'm seriously considering doing the basic 1200 mod and changing the cams on my 2005 883, which has stage 1 rejet and Straight Shots. I'm looking for more lower end get-up and smoother ride at highway speeds (as most know, an 883 is working hard at 80MPH+). My engine only has 15K miles...wait until it has more miles?

Appreciate feedback from folks who did the mod to their machines. costs?
I went with Hammer Performance 1250 kit for my wifes 2001. Differance was astounding IMHO. No cams just bolt on, carb mod and ignition and away she went! Well worth the money!
 
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Old May 27, 2023 | 06:20 AM
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Originally Posted by Garry Sr
My bike was running out of gear when it was just an 883. I would have sold it if I didn't gear it.
Running out of gear Or running out of powa?

there is a difference

 
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Old May 27, 2023 | 07:30 AM
  #28  
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Originally Posted by Madnss
Running out of gear Or running out of powa?

there is a difference
Have you ever seen a guy with 4:11 gears doing 50 mph down the highway in his car because he doesn't want to blow it up? That was my bike.
 
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Old May 27, 2023 | 07:34 AM
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You guys can't possibly think all that engine vibration because of excessive rpm is good for your engine......
 
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Old May 27, 2023 | 07:40 AM
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When HD designed the engine do you think they babied it or ran it flat out to destruction?
 

Last edited by Andy from Sandy; May 27, 2023 at 07:43 AM.
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