stalling/chuging issue with my 03 - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 26 (permalink) Old 09-14-2008, 07:12 PM Thread Starter
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stalling/chuging issue with my 03

hey this is my first post on this forum and hopefully u guys can help me out i recently brought my bike the the dealer because when i start comeing off a stop sign or stop light my bike will do this chugging thing and sometimes stall sounds like its running on 1 cylinder i have to give it alot of throtle and let the cluch out realy slow to take off and the dealership said it had a code stored i think code 9 and that i would need a new ecu now my bike runs fine other than that little bit in the verly low rpm range up to about 2000 maybe this just dosnt make any sence to me do i realy need a new ecu? or is there somthing else going on here
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post #2 of 26 (permalink) Old 09-18-2008, 05:24 PM
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Check your plugs first they might look okay, like mine . My bike was stalling at idle and had lack of power. Also check www.carlsalter.com/motorcycle-manuals.asp You get free manuals online, just takes a while to download due to large file size. Good luck.
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post #3 of 26 (permalink) Old 09-18-2008, 07:34 PM
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Throwing code 11 speed sensor or connection of

My 01 is doing the same thing but mine is throwing code 11 which is speed sensor or connection of. I was just searching to see if anyone was having the same issue. Anyone deal with speed sensor issues? I do have 23k hard miles on it.
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post #4 of 26 (permalink) Old 09-18-2008, 07:38 PM
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Keith

definitely get a service manual and check the code your self. Its not that hard to check.
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post #5 of 26 (permalink) Old 09-19-2008, 11:34 PM
 
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I was having the exact same problem with my 03 as well. Just bought the bike, only had 8800 miles. I did adjust the idle up a bit (still within specs) and it does seem to be better. Plus, I give "him" extra time to warm up. The service manual is very user friendly.
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post #6 of 26 (permalink) Old 09-20-2008, 09:49 PM Thread Starter
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Quote:
Originally Posted by twoweelz View Post
Check your plugs first they might look okay, like mine . My bike was stalling at idle and had lack of power. Also check www.carlsalter.com/motorcycle-manuals.asp You get free manuals online, just takes a while to download due to large file size. Good luck.
yeah i checked the plugs when it first started doing it and replaced them neither wer the right ones or the same plug but i did put the right ones in and no better
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post #7 of 26 (permalink) Old 09-22-2008, 05:52 PM
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Resolved the speed sensor issue

the speed sensor is basically a magnet so if metal gets thrown on it by hard shifts then it may cause it to read abnormal. In my case this caused a sputter @ idel. I just removed it cleaned and replaced problem solved.
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post #8 of 26 (permalink) Old 09-24-2008, 12:07 AM Thread Starter
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i found a page on another forum that listed all the codes and what they ment but code 9 was at the bottom and the websights logo was covering it can anyone with a manual please post up what code 9 means
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post #9 of 26 (permalink) Old 09-24-2008, 03:03 AM
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my service manual is only good for 00-01.. Sorry if u want me to post it any way let me know.
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post #10 of 26 (permalink) Old 11-04-2008, 02:21 PM
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Code 9 is a problem with the IAT (Inlet Air Temperature) sensor.
Either due to a sensor problem or electrical/wiring problem.
The system will use default preset value of (20 deg. C, or 68 Deg. F) as a fail-safe.
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