Yup, had it apart for service.
was a thought originally but seems weird that it only raises its head at high rpm at say 80 and seems flat.
I dunno, might just only do 70 and live with it lol
2011 R1200GSA struggling to accelerate at high rpm problem!!
- Thread starter Moonmanzn
- Start date
Yup, had it apart for service.
was a thought originally but seems weird that it only raises its head at high rpm at say 80 and seems flat.
I dunno, might just only do 70 and live with it lol
Might have missed it but have you tried a different ECU?
From what's been eliminated thus far, it sounds like either an Electrical or Electronic Issue to me (not that I profess to be any kind of Expert!).
It seems that you've eliminated most Possibilities, and having had some experience with dodgy ECU's and their Wiley Ways over the years, it seems to me to be a likely Culprit.
I once fitted a Piggy Back Unit to a HD ECU and it created all manner of Starting and Running Issues.
When I took it off again, the ECU had to be Reprogrammed to get it "Back to Basics" (or so the Techie told me).
From what's been eliminated thus far, it sounds like either an Electrical or Electronic Issue to me (not that I profess to be any kind of Expert!).
It seems that you've eliminated most Possibilities, and having had some experience with dodgy ECU's and their Wiley Ways over the years, it seems to me to be a likely Culprit.
I once fitted a Piggy Back Unit to a HD ECU and it created all manner of Starting and Running Issues.
When I took it off again, the ECU had to be Reprogrammed to get it "Back to Basics" (or so the Techie told me).
Yeah I thought this and blanked my fuel module and reset adaptions, problem persists.
Try Using your gs911 on live readout but select one sensor at time and zoom in to get the maximum sampling rate. Start with anything related to the fuel injection and ignition. Look for anything untoward, blips, or spikes or unevennesswhen it should be even or an unexpected step change. Just anything that looks a bit out or odd. I diagnosed a faulty throttle position sensor this way just from some tiny blips in the readout. If you can get a readout while riding the bike so you can see it under load rather than just reviving it. Difficult at the best of times but right now probably not practical.
Good luck.
Good luck.
Nah they right but god shout.
yeah had a look at this checking trim, tps voltage etc and all seems to be in spec. Im going to try a new fuel pump controller and then take it in if that fails.
Coils could appear working fine with no load , remember this is happening at full load , don’t rule out lower coils.
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I was told at high rpm/speed lower coils are not in action really?
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did you try riding it with the lamda probes disconnected??
Just try it
i had a couple of right effers to diagnose and it was a probe fault when hot
Just try it
i had a couple of right effers to diagnose and it was a probe fault when hot
The GS911 information posted is not relevant to your problem.
Is it possible for you to put a laptop in your top box and log the data at around 6000 rpm where the problem is, That way you will be able to see what is happening with injector pulse width , ignition advance, if it is going into open loop , etc,etc.
Is it possible for you to put a laptop in your top box and log the data at around 6000 rpm where the problem is, That way you will be able to see what is happening with injector pulse width , ignition advance, if it is going into open loop , etc,etc.
If he has a gs911 bluetooth, he can run it from his mobile phone, select scan all channels and do his test run.
it then saves a large CSV file on the phone which can be exported into excel, or into the tracing software which is linked from the Hex website
Only suggested GS911 to laptop via USB as I find the Bluetooth to mobile unstable, Frustrating when a couple of yards down the road and the connection drops out.
Might just be my phone, so give it a try as it is the easy option.
Might just be my phone, so give it a try as it is the easy option.
So it logged everything but didny log anything above 4500 rpm for some reason.
Damn it!!
I had a misfire at elevated rpm under load similar to what you have, thought it might be the coils, did the disconnect each test without any real confirmation but after all were reconnected, I never had the problem again, think I might have had a crappy connection to one of the coils which improved after unplugging/plugging the connection again.
Have you checked that there is no mis-routing of the fuel lines where they may have been squeezed, reducing max flow rate?
Have you checked that there is no mis-routing of the fuel lines where they may have been squeezed, reducing max flow rate?
Yeah have had tank off twice and put it on carefully after checking. All seemed good.
Have new primary coils and clipped and receipt multiple times and nothing.
