CBR 954RR 2002 - 2003 - CBR 954RR Forum

idles, starts and runs, dies after driving in gear

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Old Oct 10, 2020 | 08:02 AM
  #1  
p4dub's Avatar
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From: College Station, Texas
Default idles, starts and runs, dies after driving in gear

hello all!

my 03 954 after a fresh start, she'll idle and can rev, but after putting her in gear and driving down the road, at the very first stop, i have to hold the throttle a small bit open to keep her from dying. after dying and starting back up in 1st, she'll start back up but still have to hold throttle a little bit open to keep her running. i personally think a stator or rectifier, but im not sure exactly. please help!

thanks - Paul
 
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Old Oct 10, 2020 | 08:37 AM
  #2  
74demon's Avatar
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From: socal 949/951
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My first thought is one of your vacuum hoses is off causing a leak. You could turn up your idle, but if it takes a lot then you're compensating for another problem.
 
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Old Oct 10, 2020 | 08:47 AM
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yea, i already adjusted the idle up to about 1200. i originally thought it was that because i had it around 800, but i still get the same problem when coming to a stop. it just won't hold idle when stopping. she's been sitting unridden for quite a while, maybe a few years. i'm tempted to pull all the essentials and do a fuel filter, air filter, spark plugs, clean gas tank, just an overhaul, but i would like to not to have too. ill check the vacuum hoses sometime today. i initially would think that a leaky vacuum hose would create the same problem at idle and not only when in gear and pulling to a stop. its really elluding me because it doesnt do it when i initially start it, and even after putting in gear without driving anywhere. its only after i drive down the street and then come to a stop sign or a turn around does it die.
 
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Old Oct 12, 2020 | 10:18 AM
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Is there enough air getting into the Tank? I have a similar issue on my F2. Managed a 10 mile ride to work, 8 miles back home and it died. Then it died half a mile further up the road then again. Initially I was approaching a red light on a 50mph bypass near my house. Pulled the clutch in to drop a gear and it just died.

My brother went our for a spin on it yesterday and came back with the fuel filler cap open saying he thinks the tank is not getting enough air so its causing a vacuum and starving the tank of fuel.

I am hoping that's the issue, I want to go riding again!
 
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