Bogging down is most often a fuel pump filter issue. Check the flow rate per the service manual procedure.
1 - 20 of 26 Posts
I tested the bike with a fuel pump that had a filter which was cleaned. I even saw that filter by myself and that repair shop borrowed me that one, didn't fix with it.
I've been thinking about if the problem exists in the ECU? It has been flashed and I notice that when I release the throttle, it "decelerates" more aggressively than before. At least that's how it feels like.
When riding to turns and releasing the throttle, it feels really scary because the throttle won't respond quickly enough.
But yeah, I should check out the flow rate from the manual.
EDIT: However the mechanic who took care of this bike before, said that the gas tank had full of moisture. But it was strange that with another fuel pump it didn't start to work. So could the problem lay elsewhere? The fuel injectors were fine and checked.
Don't really know if it "bogs down" but kinda being like a limiter.
Suzuki RPM
www.youtube.com
I had full throttle in the video.
Could be the strainer, he removed the bottom of it and I saw a thing that looked like a coffee filter 😅
About my secondary throttle system, do you mean the butterfly plates ain't opening? Because I removed them already.
I'm not even sure how to do the fuel flow test after checking from the manual.
But if the C28 causes me to get the fail-safe mode, then wouldn't it be able to rev to 11k to 15k rpm in neutral?
I am getting rid of it as soon as the eliminator box arrives, that eliminates the C28 fault code. Healtech also stated this: "Note: After installation, we recommend having the AFR (air-fuel ratio) of the engine checked by a dyno center and adjust if necessary."
So this should be done as well?
STV Eliminator (STVE) - HealTech Electronics Ltd.
STV Eliminator (STVE) - Eliminate the FI light coming on when removing the secondary throttle valve / disconnecting the actuator motor from your motorcycle. Just plug it in and you're all set!
www.healtech-electronics.com
I actually know the reason. My local vendor sold me the STVE-01 version which is incompatible with my bike, it should be the STVE-10 version. They had the incorrect eliminator up for sale stating that it fits my 07 GSX-R. Have to order the correct one and return the incorrect one and wait for another 3 weeks.
The STV Eliminator arrived and the FI light finally disappeared, but it still has no power. Had the fuel pressure test done by a motorbike service which has experience of Suzukis. They said that they believe it's the FI light that cuts the power, but now since it's gone it still won't rev past the x RPM's. I even used twice the fuel injector cleaner and that didn't make difference except for big flames when using launch control
Could there still be some problems with the STV, like a hidden error that needs to be cleared out / disable the entire system, even with no FI light and the eliminator box connected?
Or could it be air leak? I remember that the ram air tubes didn't fit as tight as they were before I removed them. The service guy also stated that sometimes while idling and measuring the fuel flow it might look okay, but while revving at higher RPM's the result could then change. But I can't rev this bike up unless on neutral and everytime I do so, it first lets it rev to maybe 13k rpm, then when I let go off the throttle and do it again, then it goes to max of 11k rpm. Air leak or still problem with the fuel?
EDIT: I don't remember if I mentioned but 2 months ago when I had this bike at the service for the first time, they noticed that the fuel tank had a lot of condensed water but they measured the injectors and they were okay? Another service guy said that if there is rust inside of the tank, it could cause issues. I even used another fuel pump so that's not the problem.
Could there still be some problems with the STV, like a hidden error that needs to be cleared out / disable the entire system, even with no FI light and the eliminator box connected?
Or could it be air leak? I remember that the ram air tubes didn't fit as tight as they were before I removed them. The service guy also stated that sometimes while idling and measuring the fuel flow it might look okay, but while revving at higher RPM's the result could then change. But I can't rev this bike up unless on neutral and everytime I do so, it first lets it rev to maybe 13k rpm, then when I let go off the throttle and do it again, then it goes to max of 11k rpm. Air leak or still problem with the fuel?
EDIT: I don't remember if I mentioned but 2 months ago when I had this bike at the service for the first time, they noticed that the fuel tank had a lot of condensed water but they measured the injectors and they were okay? Another service guy said that if there is rust inside of the tank, it could cause issues. I even used another fuel pump so that's not the problem.
1 - 20 of 26 Posts
