08cbr1000rr hesitation at around 3500rpm till 4000rpm - Honda CBR1000 Forum : 1000RR.net
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post #1 of 2 Old 07-11-2019, 12:22 AM Thread Starter
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08cbr1000rr hesitation at around 3500rpm till 4000rpm

Hello everyone! Cheers for good weather to ride finally here in South Dakota (when im done riding) ! Have a issue that i hope someone can help with. When reving, the bike revs fine..it idles low once in a while like a spark plug is bad. When i go on interstate and hit roughly 3500rpm it hesitates like its not getting a spark but once it hits a certain point around 4k rpm it hits it comes back to life and goes all the way up fine till i shift. (I never rod the bike bad or do crazy stuff.) Last fall it did this and i researched and thought it was the spark plugs. So i tore it apart and got those changes. Longer process than i expected but fairly easy. So i got on n still no change. A couple weeks later my service light is on. It flashes 2 times. When i drove it, it is just on. I researched more and people say the vacuum hose wasnt put back on. So i am going to go back n make sure vacuum hose is attached but either way i still had the same problem with new spark plugs in. Does anyone have suggestions while i take top apart to check for vacuum hose being attached? Your help would be greatly appreciated!!
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post #2 of 2 Old 07-11-2019, 08:10 AM
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Location: St. Louis, MO
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You said it was flashing a fault code. Finding out that code number, not just saying it was flashing, might be a clue to the problem. The fault code diagnostics can be found in Section 6 of your factory service manual.
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