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Old May 27th, 2015, 07:14 AM   #11
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A popular Motard site blames the significant engine braking partly on the butterfly. Makes sense if it's actuation is tied to the throttle position, and not rpm. Regardless, removing or disabling the butterfly is said to help.

I tend to like heavy engine brake. Saves wear on the pads and I just prefer to wind down to a stop and be ready to twist-n-go vice pulling the clutch and coasting. Seriously, banging down through the gears is intoxicating on this bike!
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Old May 27th, 2015, 07:33 AM   #12
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I dont mind engine braking as long as its consistent. The thing can really buck about though, like im jerking the throttle around which i know im not., im just rolling it off.
It's one of the reasons i asked about free play in the grip and no one has commented on that.

Ive got a couple more days riding coming up so i'll try playing around using the slipper clutch more :-)
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Old May 27th, 2015, 07:44 AM   #13
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I think it may be combo of throttle sensitivity and hand control. The TPS is very sensitive in Sport/HI. And I guarantee your hand control will improve as the miles click on. I rarely leave Sport now and can ride as smooth as Urban/LOW.

I only suggest this because mine is a '13 and doesn't do this. I may hear a little puff/back-pressure kick when closing the throttle abruptly, but certainly never translates through the driveline.
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Old May 27th, 2015, 09:45 AM   #14
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Quote:
Originally Posted by HyperPhil View Post
I dont mind engine braking as long as its consistent. The thing can really buck about though, like im jerking the throttle around which i know im not., im just rolling it off.
It's one of the reasons i asked about free play in the grip and no one has commented on that.

Ive got a couple more days riding coming up so i'll try playing around using the slipper clutch more :-)
Give it a little time - you'll get the rhythm. The good thing is you're enjoying the machine while figuring it out.
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Old May 27th, 2015, 10:51 AM   #15
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Phil, I agree with your comment that there are a couple mm of free play in the throttle.
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Old May 27th, 2015, 10:54 AM   #16
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Give it a little time - you'll get the rhythm. The good thing is you're enjoying the machine while figuring it out.
do you guys all not have surging at lower revs and lower speeds, e.g. when going constant speeds in citytraffic ?
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Old May 27th, 2015, 11:03 AM   #17
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Nope, not with mine. It is civilized and steady at low speed. I only have surging if I whack it WFO, and then chop it back quickly, which I can understand/accept, because I am kind of giving the motor mixed signals...
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Old May 27th, 2015, 12:06 PM   #18
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I disconnected the cable on my exhaust butterfly two days ago and although I didn't do it to solve surging it has made a huge difference.

Two minute mod so worth a try. Under the centre stand on the exhaust there's a small cover with two 10mm AF screws holding it on. Take these off and rotate the butterfly valve clockwise against its spring to loosen the tension on the end of the bike brake type cable and just disconnect the nipple. Put the cover back and you're done. No errors on the the ECU as it can't detect what you've done and its only there for emissions control and noise at lower revs.
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Old May 27th, 2015, 03:31 PM   #19
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do you guys all not have surging at lower revs and lower speeds, e.g. when going constant speeds in citytraffic ?
It seems fine - not Honda fine but Ducati fine. no problems. I'll say it again - it's a machine that responds well to precise decisive inputs. If your wrist is twitching, the bike is twitching.
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Old May 27th, 2015, 03:40 PM   #20
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I disconnected the cable on my exhaust butterfly two days ago and although I didn't do it to solve surging it has made a huge difference.

Two minute mod so worth a try. Under the centre stand on the exhaust there's a small cover with two 10mm AF screws holding it on. Take these off and rotate the butterfly valve clockwise against its spring to loosen the tension on the end of the bike brake type cable and just disconnect the nipple. Put the cover back and you're done. No errors on the the ECU as it can't detect what you've done and its only there for emissions control and noise at lower revs.
2 things I like are emissions control and lower noise when I'm just hanging around.

I've got to say that the more I ride this bike, and the better rider I become, the better the bike is.

I just finished an 800 mile backroad trip, and apart from dumping it in the mud - because I suck going up rocky muddy dirt road mountain sides - it performed wonderfully. The stock suspension seems fine, the power delivery seems fine - it's a very very good bike.

It does ask something from you though : I've gone through stages of frustration - as it's only my third riding season - but I learned to work with it and I've been rewarded.
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