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Bogging/Stuttering issue, ‘08

841 Views 6 Replies 5 Participants Last post by  stradley.kelly2
Hello all! Brand new here. Just recently bought a 2008 CBR 1000RR. Rode it the day of the purchase, approximately 30-45 minute ride. Rode it the next day with no issues. (Short ride) Bike rode totally fine both days. Got on it to ride to the gym yesterday and it rode fine all the way to the gym. On the way back I started feeling some weird fluttering when cruising at 70-80 (5-6kRPM) thought nothing of it until I started trying to roll on the throttle and do some pulls. Pretty much every gear would stutter when rolling on the throttle. When I say stutter, I mean I'm cruising at 4-5kRPM in any gear, start to roll on throttle evenly, and once it increases 2ish thousand RPM it will just start cutting out/stuttering/bogging.

When I bought it the guy mentioned that the tank sat about half full for 2-3 months, and in South Texas its pretty humid. I figured there may be some water in the tank, I syphoned a good amount out but couldn't see any water in what I syphoned. There was a small amount of rust/oxidation in the tank. I've been a mechanic for about 6 years, but have no experience with tanks. The amount of oxidation didn't seem severe to me (but I could definitely wrong). I put an additive water remover/injector cleaner top it off with good gas. Rode it today, first trip around the block totally fine, pulled through all gears no issue. 2-3rd time around the block started stuttering again. The bike has 15,500 miles on it. Has no cat and just a straight pipe exhaust. If I'm correct, that would make the bike run leaner? Meaning the plugs are likely fine?

I would have already stripped this bike to the frame to look at all of this stuff. But my toolbox and everything I own is in Oklahoma. I'm trying to fix this in an apartment complex parking lot. Minimal tools, minimal space. Any suggestions will be appreciated. Thanks guys!
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I had a similar issue with my 2022 1000RR and it turned out to be loose battery cables / Wires.. I tightened them up and it solved my issue .. I hope this helps and is as easy a fix on your bike as it was mine. Stay safe
Try riding with gas-cap open. Any better?
Finally someone that is going through it very similar to me given the unfortunate circumstances. I am experiencing same issue on my 2022. I have 7,500 miles on it and it starts doing same thing after hard pulls. Once i start cruising through town is when it stutters and jolts and shuts off at lights. but when doing pulls its like it lags and has the delayed and inconsistent power delivery. only thing i have done to the bike is an akropovic gp slip on. no tune yet. now i did take the battery out when i did exhaust so as mentioned above could be electrical given flashing ABS and TC lights and the HESD light that pop up right as these issues start when riding. Also seems like not enough power to the starter. Any additional input very much welcomed. Thanks in Advance.
Finally someone that is going through it very similar to me given the unfortunate circumstances. I am experiencing same issue on my 2022. I have 7,500 miles on it and it starts doing same thing after hard pulls. Once i start cruising through town is when it stutters and jolts and shuts off at lights. but when doing pulls its like it lags and has the delayed and inconsistent power delivery. only thing i have done to the bike is an akropovic gp slip on. no tune yet. now i did take the battery out when i did exhaust so as mentioned above could be electrical given flashing ABS and TC lights and the HESD light that pop up right as these issues start when riding. Also seems like not enough power to the starter. Any additional input very much welcomed. Thanks in Advance.
Hey man, funny that this thread notified me through my email. I did wind up fixing this problem with a fuel pump. Tank was dirtier than what I could tell just looking in with a flashlight, once I dumped the fuel & took the pump out, the tank, filter, and pump were filthy. I took the tank off, bought fuel tank cleaner, spent the day cleaning the tank, I bought an OEM fuel pump off eBay (they should come with a new filter) and after it all went back together it ran like a champ from then on.
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Hey man, funny that this thread notified me through my email. I did wind up fixing this problem with a fuel pump. Tank was dirtier than what I could tell just looking in with a flashlight, once I dumped the fuel & took the pump out, the tank, filter, and pump were filthy. I took the tank off, bought fuel tank cleaner, spent the day cleaning the tank, I bought an OEM fuel pump off eBay (they should come with a new filter) and after it all went back together it ran like a champ from then on.
Did you have any issues with electronics at all? My cluster flashes those lights as mentioned and then i have the same issues shortly after. Im going to try fuel treatment as well. Im due for another maintenance anyway so i will have a buddy scope the tank to see if i should add that to the scheduled list.
Did you have any issues with electronics at all? My cluster flashes those lights as mentioned and then i have the same issues shortly after. Im going to try fuel treatment as well. Im due for another maintenance anyway so i will have a buddy scope the tank to see if i should add that to the scheduled list.
No issues with electronics. Everything seemed to operate perfectly except for that shit i mentioned
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