Hi all, New bike , Just wondering if this ignition noise is normal, I dont recall hearing it before, but have only managed to ride it a few times since taking delivery. I power on, dash lights up, Exhaust valve actuates, then Have a whining noise that is constant all the time the ignition is on. Not sure if its doing it with the engine running as its hard to hear whilst running. Ive saved it to you tube, see what you think. Many thanks. MTS1200 ignition on. - YouTube
High pitched whine - totally normal, but can't tell you what it is? Would say fuel pressurisation but it seems more of a transformer type of noise if I understand your question properly? Usually there is another similar noise, which can be traced to the owner, having found a new fault ;-)
Now I am a little more confused. Mr.R indicates the whining stops ? Mine runs all the time the ignition is on. I can also change noise pitch by actuating the throttle as Derek says. So, should the noise be persistent or not ? Regards, Steve.
At switch on you will hear the fuel pump which stops after 3 to 4 seconds as Mr R says, but you will continue to hear the whining noise from the throttle motors which is there all the time. I's normal, don't worry about it. :smile:
Hmm, I'm not convinced its the throttle motors myself. I was trying to trace this as it interferes with my autocom. On my bike (2010 S touring) it is coming from the ecu fitted beside the abs pump. Unplug that and the noise no longer occurs, but the bike will fire up and ride just fine, so its not engine related. I beleive this is the suspension ecu. (Could be abs ecu, Can't recall off the top of my head, but think its suspension). As someone else said, it sounds like a noisy switch mode psu (hence the appalling electrical interference).
It definitely comes from below the airbox - and my bike is a 1200 ABS and doesn't have a suspension ecu.
I get that too, but the suspension one is the most noticeable (to me anyway) Maybe we ought to get together and compare noises :wink: Or Ducati need to get an electronics engineer that can design decent screened / quiet circuitry...
If you can get hold of an oscilloscope connect it to the across the 12V and look to see what noise is there.