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883 Iron with 29 tooth sprocket question

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Old 06-05-2011, 09:10 PM
Shawnpalmer Shawnpalmer is offline
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Default 883 Iron with 29 tooth sprocket question

Ok, here’s the question.
883 iron with stage 1 and tuner pushing 60hp.

If I install the 29 tooth, what can I expect?

Will I have to re-dyno?

TIA!
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Old 06-06-2011, 05:25 AM
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xFreebirdx xFreebirdx is offline
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No you won't have to retune, it will feel sluggish out of the hole and at lower RPM's.
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Old 06-06-2011, 11:44 AM
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You'll kill performance! Modern bikes are given high gearing to reduce engine speed and noise, to help get them through noise emissions tests. Even serious tuning mods do not require changes of gearing. Enjoy your improved performance!

I actually changed the 25T compensator on my Dyna to a 21T, to improve performance - very effective!
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Old 06-06-2011, 12:12 PM
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wahlumsurfer wahlumsurfer is offline
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Quote:
Originally Posted by Shawnpalmer View Post
Ok, here’s the question.
883 iron with stage 1 and tuner pushing 60hp.

If I install the 29 tooth, what can I expect?

Will I have to re-dyno?

TIA!
What year Iron do you have? 2011 models come from the factory with a 29T.

As to what to expect, go through this thread and pay close attention to the posts by cHarley:

http://www.hdforums.com/forum/sports...-883-iron.html

Last edited by wahlumsurfer; 06-06-2011 at 12:15 PM.
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Old 06-06-2011, 08:59 PM
Shawnpalmer Shawnpalmer is offline
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Well, I did it today. The bike feels right now. Not sluggish at all, did not kill performance, etc...
I would highly recommend doing it if you feel like you need to run a little faster to keep up with traffic. I read all the posts a bunch of times, and I have to say that I love the change so far. They should come this way, but my guess is that with no mods, it would be sluggish. With stage one mods, it feels perfect.

2010 Iron 883
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Old 06-06-2011, 09:34 PM
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Originally Posted by Shawnpalmer View Post
...They should come this way, but my guess is that with no mods, it would be sluggish. With stage one mods, it feels perfect.

2010 Iron 883
Harley agrees with you hence all 2011 883's come with a 29T vice the 28T.
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Old 04-13-2012, 07:16 PM
brian67 brian67 is offline
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did this require changing the belt?
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Old 04-13-2012, 07:43 PM
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did this require changing the belt?
I've read multiple threads saying that it doesn't. Dealer will tell you it does, most likely.
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Old 04-14-2012, 09:14 AM
medic2931 medic2931 is offline
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Just did this change and did not have to change my belt.
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