2003 Honda CBR 954 RR Fireblade Logo

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Posted on Apr 02, 2017
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Heya i just bought a 2003 honda cbr 954 was running fine past week then as it got warm next few days after start up. started stalling and bogging down in 1st 2nd and then running ruff ,,,guy at honda dealership says i put bad gas in it ,,,it did starting running badly after i put 2 gallons of 91 octane in it ,,alot fumes comming from it as well...i put new gas in it 89 octane and hoped it had fixed the problem, i drove 2 miles still same condition ,,,not sure what problem could be ,,,also from a complete cold start it runs fine ,,soon as it warms 120f up it boggs out and to keep it going i have to give alot of throttle ,or alot more than usual ,,looking for help on this

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  • Posted on Apr 02, 2017
 Spoot
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Joined: May 28, 2009
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If it has an aftermarket Fuel Injection programmer (like a dynojet powercommander), it may have lost its programming. Some of the older systems used a serial connection to upload/save FI programming...some newer ones use USB. You would need to identify if you have one - what model it is - then determine what map it needs and upload accordingly.

Sometimes the FI on the bike needs a reset or determine the code being generated. Here is a forum that lists the procedure:
http://www.fireblades.org/forums/articles-honda-fireblade/100273-2000-cbr929rr-fi-light-red-light-please-help.html

Good Luck.

4 Related Answers

Anonymous

  • 2559 Answers
  • Posted on Jan 29, 2009

SOURCE: Bogging and stalling at high RPM's

The main jet need cleaning.(you should clean them all though)

Main Jet: Main jet comes into play at three-quarters open to full throttle conditions. CRITICAL to high-speed engine operation. Not only does it meter the gas into the engine, it can aid in cooling the engine as well.

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ewebber253

Ssgt. Chip Webber USMC

  • 198 Answers
  • Posted on Mar 22, 2010

SOURCE: just bought a honda cr 100, yes i got it started

Your timing is off. Try backing the timing up to 4 degrees before top dead center!

Anonymous

  • 8909 Answers
  • Posted on Jan 11, 2011

SOURCE: should my 03 honda cbr 954 stay running after I

The altenator combined with regulator should keep the engine running without a battery. It may run a bit lumpy but it should run.
You have either a regulator or an alternator fault.

Anonymous

  • 8909 Answers
  • Posted on Mar 21, 2011

SOURCE: My 2001 honda cbr 929

Replace the voltage regulator before it kills the rest of the system.

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