09-25-2022, 05:52 AM
I wanted to post this up more so to keep track of the issue and my experience with it. I've read through a lot of the other posts and I'm pretty certain this falls into the future IACV replacement side.
The last few days have been getting colder on the trips to work in the morning. At first I chocked it up to normal choke functions of a FI bike. But after my testing today I don't think that is the case.
What would happen:
Upon cold start I would see a strong and steady 1500 rpm, kind of normal. After setting off, and the first few stop signs in the neighborhood, I would see the fully clutched in rpm dip to 1400rpm. Each time I let the clutch out (no forward engagement) I would see them raise to 2000rpm then right before forward engagement could be felt, they would drop down to 1000rpm and the bike would be moving like normal. (probably just normal operation up to this point)
After my 30 minute test loop, speeds around 55-80mph sandwiched in between 30mph neighborhood riding, and the bike was well and warm, I was still seeing the same strong 1500rpm idle when in Neutral and fully clutched in, accompanied with hanging revs (such as the "choke" is still engaged).
I went ahead and did the TPS reset, then restarted the now warm bike. The idle RPM was back at its 1100ish rpm mark. I did take a video of the IACV sound which I'll link here. https://www.youtube.com/shorts/dzKTSILMQPA
Hopefully, this stays resolved, but from what I've read so far. I'm expecting it to return eventually and like I said above, an IACV replacement will be in my no longer warrantied future.
This is on a 2014 CB1100 with 16,66X miles on it. Everything has been maintained up to this point, even just did the spark plugs at 16k.
I'll be sure to keep this updated as it progresses.
I'm really trying to keep my head about this ATM. The CB is my only transportation since my truck's trans is now needing warranty work, and will be getting sold once its fixed again. All in hopes of getting something newer. So please pardon any scatterbrained shenanigans.
The last few days have been getting colder on the trips to work in the morning. At first I chocked it up to normal choke functions of a FI bike. But after my testing today I don't think that is the case.
What would happen:
Upon cold start I would see a strong and steady 1500 rpm, kind of normal. After setting off, and the first few stop signs in the neighborhood, I would see the fully clutched in rpm dip to 1400rpm. Each time I let the clutch out (no forward engagement) I would see them raise to 2000rpm then right before forward engagement could be felt, they would drop down to 1000rpm and the bike would be moving like normal. (probably just normal operation up to this point)
After my 30 minute test loop, speeds around 55-80mph sandwiched in between 30mph neighborhood riding, and the bike was well and warm, I was still seeing the same strong 1500rpm idle when in Neutral and fully clutched in, accompanied with hanging revs (such as the "choke" is still engaged).
I went ahead and did the TPS reset, then restarted the now warm bike. The idle RPM was back at its 1100ish rpm mark. I did take a video of the IACV sound which I'll link here. https://www.youtube.com/shorts/dzKTSILMQPA
Hopefully, this stays resolved, but from what I've read so far. I'm expecting it to return eventually and like I said above, an IACV replacement will be in my no longer warrantied future.
This is on a 2014 CB1100 with 16,66X miles on it. Everything has been maintained up to this point, even just did the spark plugs at 16k.
I'll be sure to keep this updated as it progresses.
I'm really trying to keep my head about this ATM. The CB is my only transportation since my truck's trans is now needing warranty work, and will be getting sold once its fixed again. All in hopes of getting something newer. So please pardon any scatterbrained shenanigans.