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Honda FireBlade Discussion of the Honda CBR 900RR, Honda CBR 929RR, Honda CBR 954RR, and Honda CBR 1000RR Motorcycles.

Thread: Flat spot in dyno curve Reply to Thread
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  Topic Review (Newest First)
03-07-2007 8:42 PM
visitor
Re: Flat spot in dyno curve

so now the code isnt flashing anymore so who knows????
03-07-2007 6:22 PM
visitor
Re: Flat spot in dyno curve

Its a 3 flash code....does anyone think the flat spot could be the flapper valve being wired open? my last 929 with a full acro didnt have this problem but I still had the flapper valve in???
03-07-2007 4:55 PM
nedro
Re: Flat spot in dyno curve

Just get rid of the K&N. Doesn't matter if it were modified or not. They don't flow as good as the OEM filter.
03-07-2007 4:25 PM
machinehead
Re: Flat spot in dyno curve

its the number of flashes on the light referenced to the service book - post the flashes and someone can tell you what they mean. just got a manual on PDF so can perhaps help. that's a bit drop in the curve though if the bikes more or less stock ex. the k&n...............
03-07-2007 3:54 PM
visitor
Re: Flat spot in dyno curve

OK I finally got a FI blinking light after putting 200 miles on the bike and all of the dyno pulls. How do I pull the code?
03-07-2007 3:06 PM
nedro
Re: Flat spot in dyno curve

No worries. Any chance of having it tuned by a Dynojet 250?
It has always been hard to decypher a winpep chart. One of the reasons is that they use MPH instead of RPM. Also, on a Dynojet 250, they show you a corrilating A/F ratio chart.
03-07-2007 2:46 PM
visitor
Re: Flat spot in dyno curve

well that looks like crap
03-07-2007 2:44 PM
visitor
Re: Flat spot in dyno curve

sorry my brain is fried today thanks
03-07-2007 2:40 PM
JeepinJeff
Re: Flat spot in dyno curve

Quote:
Originally Posted by visitor View Post
the file is saved as a tif how can I change it?
Try opening the .tif file in Microsoft Paint, then do a Save As and change it to a .jpg
03-07-2007 2:32 PM
visitor
Re: Flat spot in dyno curve

the file is saved as a tif how can I change it?
03-07-2007 2:24 PM
nedro
Re: Flat spot in dyno curve

Post the chart and almost anyone here will be able to tell if something is out of wack.
03-07-2007 2:20 PM
visitor
Re: Flat spot in dyno curve

no they leaned it way out b/c it was a little rich right there. the ega is reading the correct ratio everywhere thats why we are stumped
03-07-2007 2:16 PM
nedro
Re: Flat spot in dyno curve

Take a look at the map. Alot of people try to richen it up in that RPM range. You know, if its weak throw some more gas at it until it works right. But you actually have to lean it out in that range.
03-07-2007 2:16 PM
fl-929
Re: Flat spot in dyno curve

Because it's a full exhaust it may just be the acro's design.

Same thing happened with the full erion on a 929.
03-07-2007 2:12 PM
visitor
Re: Flat spot in dyno curve

its a custom map
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