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Throttle issues - 2012 883

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Old Jul 29, 2015 | 10:48 PM
  #1  
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Default Throttle issues - 2012 883

So the issue is occasionaly when I roll on the throttle nothing happens... Engine doesnt rev up, nothin. Then after a second or two it will jump forward, makes riding difficult when it lurches forward like that, not to mention not safe. First noticed it today when i was in 3rd gear, I was going 40-50 miles an hour, and it started. Thought maybe it was because i was bogging the motor down so shifted to 2nd but stil had the issue. After a little while i came to a stop and then didnt have another issue. Later today it happened again (bike is warm, so thats not the issue), i didnt come to any stops but it stopped after a little while.

Here is a list if upgrades i have done,

So i just got a 2012 883, And i finished the stage 1 upgrade. Did the work myself and now have the vance and hines short shots, vance and hines V02 with the duke cover. And then i installed a vance and hines fuel management system and mapped it.

Any thoughts?!?
 
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Old Jul 30, 2015 | 12:12 AM
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Take bike to a mechanic. Could be transmission/gearing/belt drive but I am just guessing. If that happened to me, it's in the shop the next day. Dangerous not to have the gear engaged when you need to move, then jump forward unexpectedly.
 
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Old Jul 30, 2015 | 10:00 AM
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Since you can move the throttle and it doesn't react, the first thing that comes to mind would be the throttle position sensor on the fuel injection.
 
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Old Jul 30, 2015 | 11:03 AM
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So i did some searching on the TPS, and the symptoms sound right, hesitation, surging, rough idle (my idle is fine but when i am on the flat, rolling at idle in 1st, it kinda bucks a bit...) just seems strange it would fail with only 2500 miles... Ill swap that out and see if i continue to have issues. If i do ill post and probably take it in...
 
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Old Jul 30, 2015 | 01:02 PM
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Any back firing when it does that?
 
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Old Jul 30, 2015 | 02:06 PM
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Originally Posted by Cool Inferno
Any back firing when it does that?
None, hasent backfired at all.
 
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Old Jul 31, 2015 | 09:43 AM
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If it's a 2012 depending on when you bought it it might still be under warranty. Call the dealer and find out, if it is have them check the TPS.
 
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Old Jul 31, 2015 | 10:26 AM
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So i called the harley shop and explained the issue. They said could be bad gas. Well i just got the bike used and put maybe 2 gallons of regular in it. Yesterday i was down to 1/3 of a tank but i stopped and got premium and put that in it. Didnt have any throttle issues at all yesterday, but did notice a small backfire.
Ill do a long ride again today to see if anything changed but seems like a step in the right direction. Could have been a simple example of ignorance...
 
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