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Offline SimonS1KR

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Re: Am I being paranoid?
« Reply #10 on: June 15, 2019, 03:53:39 PM »
*Originally Posted by VARRAKK [+]
Tried crawling in 2nd gear at 1500-2000rpm?

Iíve ridden my bike down to 1500rpm in 6th gear (just to see what would happen) and it was remarkably happy to do it.

Offline subs_p

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Re: Am I being paranoid?
« Reply #11 on: June 15, 2019, 08:19:52 PM »
I'm going to try that and see what happens..but so far it's been jerky in any gear below 3k rpm so I'm not sure..I'm just going to wait and see what the dealer has to say about it! I'm still quite surprised it's doing this at all - I don't really understand what high cams means (sorry!) and my battered old Honda doesn't do it so I'm not sure why the S1000R, which is far more technically advanced, is doing it..but then again this is my first litre bike, so I'm sure I'll be learning a lot this summer..
CBF600N8 daily commuter
S1000R for sunny days

Offline windyrun

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Re: Am I being paranoid?
« Reply #12 on: June 15, 2019, 08:28:02 PM »
FYI - I tested this out today with my bike--riding steady below 3k rpm (tried at 2800 and at 2500) . Bike didn't complain, was steady with no snatchy ness.. Not as happy sounding as when at higher rpms (  :305:) but was fine. Below 2500 rpm some unsteadiness. Tried the above in both 1st and 2nd gear with same result.
« Last Edit: June 15, 2019, 08:28:54 PM by windyrun »

Offline subs_p

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Re: Am I being paranoid?
« Reply #13 on: June 15, 2019, 08:35:01 PM »
Thanks so much for that! At least I know others have it too...but I live in London, traffic is (unfortunately!) a very real part of life here, so I'd rather not just live with it if I don't have to. Is there anyone who DOESN'T have a twitchy throttle? It surely can't be like this on a brand new bike!
CBF600N8 daily commuter
S1000R for sunny days

Offline windyrun

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Re: Am I being paranoid?
« Reply #14 on: June 15, 2019, 08:37:47 PM »
I meant to say mine was smooth and not jerky...sorry if I didn't describe it well.

Offline Fossil

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Re: Am I being paranoid?
« Reply #15 on: June 15, 2019, 09:27:43 PM »
Sounds like an A/F issue, maybe a sensor playing up? Some dyno time would show it up but you shouldn't have to pay for that!
« Last Edit: June 15, 2019, 09:31:33 PM by Fossil »

Offline subs_p

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Re: Am I being paranoid?
« Reply #16 on: June 16, 2019, 03:16:11 PM »
Iím booked in at the dealer on Wednesday first thing..Iíll make sure to ask about the chain tension, the quick shifter, and the air filter..speaking of which, my quick shifter is actually quite clunky if I try to shift up, itís not as smooth as it was on the demo bike, so as suggested Iím going to ask them to check the tension first.
CBF600N8 daily commuter
S1000R for sunny days

Offline Fossil

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Re: Am I being paranoid?
« Reply #17 on: June 16, 2019, 07:39:05 PM »
Hi Subs,  sorry if I've misled you! A/F in the context I was referring to is Air/Fuel mix. New bikes are set up to run lean to pass emission testing for Euro rules! It's usually done at lower revs and means engines run hotter and not so smoothly. A dyno chart should show a fairly constant air/fuel mix across the Rev range as well as the torque and bhp curve. As I'm a new S1R owner too, I haven't found out anything yet about possible A/F issues but I know of them in other bikes I've had. Hope this explains it a bit better and you'll have something to question your dealer about. Good luck with getting it sorted.

Offline subs_p

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Re: Am I being paranoid?
« Reply #18 on: June 16, 2019, 08:17:43 PM »
 :430: sorry I was so stupid, thanks so much for explaining that - learn something new every day! It makes complete sense now that you said it - but then surely the solution would be an ECU remap? Wouldnít the dealer refuse to do that as a matter of course? I know the new 2017 model is Euro4 compliant but do they have to retroactively make the older models compliant too? I thought the new regs only applied to new vehicles? Iím quite curious to see what the dealer does about this - all my life Iíve had bad experiences with dealers, be it cars or motorcycles, but who knows maybe the Bahnstormer lot will turn out to be different..
CBF600N8 daily commuter
S1000R for sunny days

Offline GDCobra

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Re: Am I being paranoid?
« Reply #19 on: June 16, 2019, 08:24:44 PM »
Of all the relatively modern EFI bikes I've ridden the S1000R is without a doubt the best on a constant throttle at reasonably low RPM, I find little hunting and low engine braking.
However when I first test rode the bike back in 2014 it was very bad, constant throttle at any speed hunting was really bad, even at 70+MPH on cruise control. I queried if there was a problem with the bike when I got back, they told me not so I handed back and went another way, I had an opportunity to ride one again sometime later and it was a different bike, my order went in very soon after.
I did read in a magazine some time after about hunting issues due to air leaks.

 


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