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  #1  
Old 03-11-2014, 11:40 AM
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Shift Assistant probs and hot smell

So I now have a few hundred miles on this fantastic machine coming from an RT I no longer miss except on the coldest mornings. I'm finding the shifter a little quirky - either it is me or it needs adjustment? 3-6 shift well but with a lighter tap up (less foot travel) than what seems usual. Excessive pressure (travel) results in a clunkier shift? 1-2 is especially troublesome as I occasionally hit neutral and am finding just shifting conventionally to be more reliable. 1-2 seems especially clunky and the clunkiness again seems associated with shifting with too much pressure (travel) but not enough could get you neutral. Any tips?

Also the bike has a unique hot smell after every ride that seems to be from the exhaust. It smells like I imagine a fresh new pipe just installed might smell after the first run. Normal? Cat smell?

Thanks!

Mike
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  #2  
Old 03-11-2014, 12:08 PM
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Re: Shift Assistant probs and hot smell

Mike:
The shifting is somewhat clunky. It and you will get better in time. And the exhaust/ cat does have that smell when new.
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  #3  
Old 03-11-2014, 12:45 PM
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Re: Shift Assistant probs and hot smell

Ahh good..I thought it was just my bike that stunk. Lol...As for the shifting it does get (or you get) smoother. You will start to learn where your bike doesn't like to be shifted without the clutch.
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  #4  
Old 03-11-2014, 01:00 PM
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Re: Shift Assistant probs and hot smell

I assume the bike is new, and therefore still under warranty. So take it the dealer and have it looked at!
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Old 03-11-2014, 01:22 PM
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Re: Shift Assistant probs and hot smell

No its a 2010 with 7500 miles on it. Good to know the shifter quirkiness is not just me but I sure would like to master 1-2 with the shift assistant.

Seems strange to still have that smell at this mileage. I ordered the cheap GPR pipe so we'll see if that changes the smell.
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Old 03-11-2014, 01:34 PM
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Re: Shift Assistant probs and hot smell

The 1-2 shift is tricky. Going the distance through neutral seems less than grand. I seldom use it there. But the whole program works far better if you are not pussyfooting around and have some power on the dial and in the upper RPM's. It thrives in the 5-8K RPM levels. I think the ignition cutout program has a specific time interval. If your too slow for it (like not in acceleration mode or going through 1-2) it tends to clunk. Just my experience.
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  #7  
Old 03-11-2014, 03:19 PM
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Re: Shift Assistant probs and hot smell

Two suggestions. First avoid using first gear when you can. Second, when you do use the clutch lever, only pull it in about a half inch. If you pull the lever very far the shift will definitely be clunky.
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  #8  
Old 03-11-2014, 03:19 PM
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Re: Shift Assistant probs and hot smell

Hi Mike

Shift assistant works usually fine, just need to practice.

You can do (if you like) a bad shift with SA, for example, throttles up gently (less 1/4) in 1st gear, wait the engine raises high RPM, then push up the gear shift, surely you will have a "nice" clunck
Remember, SA is a mechanical device since you force the lever to change gears, if you don't do it correctly will be a cluncky change. Is for that you must keep a correct relationship between the RPM / gear / speed. For example you can up gear smoothly @ 3000RPM, if you throttle up slightly (i.e. 2nd - 3000 RPM - throttle slightly open), or make the same with hard acceleration with high RPM(i.e. 2nd. - 9000RPM - 3/4 open - sweet! )

Quote:
either it is me or it needs adjustment?
No, no needs. if really exist the fail, could be a malfunction of the switch located in the shift bar, the rest is solid state or mechanics.


Quote:
seems associated with shifting with too much pressure (travel) but not enough could get you neutral. Any tips?
Bernardo's rule

I don't move the lever by pushing directly with my foot force.
To search for the neutral I tense my leg muscles (pre-tension) and then I do more force than normal, but I move my foot only a bit , this allows me more precision in movement, thus the lever travels a short distance and allows the easier to find neutral.
Is more easy to make this from 2d to N , than 1st to N. This works for me and I know for others too...

Hope you understand the explanation


Quote:
Also the bike has a unique hot smell after every ride that seems to be from the exhaust. It smells like I imagine a fresh new pipe just installed might smell after the first run. Normal? Cat smell?
Days ago we discussed this point here
"Burning rubber smell?" http://www.i-bmw.com/showthread.php?t=48274
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  #9  
Old 03-11-2014, 03:45 PM
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Re: Shift Assistant probs and hot smell

Thanks much Bernardo!
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  #10  
Old 03-11-2014, 06:35 PM
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Re: Shift Assistant probs and hot smell

the secret of the shift assist .... it's to keep the throttle going up or steady regardless RPMs you are in. Of course below 2000 2500 it will be a bit clunky

if by habits when changing gears,you tend to release a bit the right hand rotation then it will be clunky...
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  #11  
Old 03-11-2014, 07:58 PM
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Re: Shift Assistant probs and hot smell

Must put in a "plug" for The Booster Plug here: after having a Booster Plug installed on my '09 not only did stalling/rough idle go away but lower gear shifting became smoother as advertised............
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  #12  
Old 03-11-2014, 08:39 PM
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Re: Shift Assistant probs and hot smell

Hey Mike - had experienced the same issues on my 2011 K1300s with 6500 kms on it - the smell went away and the quick shifting got a lot smoother with practice and the right riding style it was meant for - fast

Pierre
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  #13  
Old 03-12-2014, 12:52 AM
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Re: Shift Assistant probs and hot smell

Ordered accelerator plug too!
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  #14  
Old 03-12-2014, 03:26 AM
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Re: Shift Assistant probs and hot smell

Quote:
Originally Posted by Kalou
the secret of the shift assist .... it's to keep the throttle going up or steady regardless RPMs you are in. Of course below 2000 2500 it will be a bit clunky

if by habits when changing gears,you tend to release a bit the right hand rotation then it will be clunky...

+1 my experience exactly, use the SA so long as your revs are rising otherwise the clutch will make for a smoother change.
It took me a while to fully understand the SA and it's the best innovation on a road going sports bike ever devised.
I simply love it and for the most part I reckon I have butter smooth changes but keep an eye out for Plod as its bloody easy to go over the speed limit while you are revving up for the SA.
Sometimes in traffic it's better to just accept defeat and use the clutch.
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Old 03-12-2014, 06:57 AM
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Re: Shift Assistant probs and hot smell

As others have said, I thought it was a bit clunky at first until you get used to it. I've had the shift assist put me into neutral on the 1-2 if I'm being lazy with the throttle and try to use the shift assist. On 1-2, I'll usually just give it a burst of throttle, do the shift, and then its smooth as silk.
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  #16  
Old 03-12-2014, 09:06 AM
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Re: Shift Assistant probs and hot smell

Quote:
Originally Posted by Kalou
the secret of the shift assist .... it's to keep the throttle going up or steady regardless RPMs you are in. Of course below 2000 2500 it will be a bit clunky

if by habits when changing gears,you tend to release a bit the right hand rotation then it will be clunky...

^ This. As long I am at least moderately accelerating, the rpms are above 3,500-4,000 (why would you be upshifting below this?), and don't roll off the throttle during the shift (even a little), my SA works perfectly on the 1-2 upshift . . . even after the bike is first started and hasn't fully warmed up yet.
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  #17  
Old 03-12-2014, 12:02 PM
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Re: Shift Assistant probs and hot smell

I need to adjust my HP rearsets to get mine perfect. I also noticed that 2 different boots (SIDI race boots and Frank Thomas leather touring boots) had a completely different feel and a closer look suggest 1/4 inch difference in stroke due to the flexibility / compression of each boot. So ill stick to the SIDI's i guess as these are firmer. Never noticed that mine was clunky only for a couple of changes at low speed/revs. So i will reserve use of it for when im blatting along and 5k revs +.

Otherwise its smooth as silk. Very happy and very silly!
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  #18  
Old 03-12-2014, 12:20 PM
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Re: Shift Assistant probs and hot smell

Quote:
Originally Posted by RoundMountain
Ordered accelerator plug too!
Your going to like the changes made by it. Takes that hesitation out of applying throttle.
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Old 03-12-2014, 12:55 PM
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Re: Shift Assistant probs and hot smell

Quote:
Originally Posted by RoundMountain
Ordered accelerator plug too!


Where from?

Cheers.
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  #20  
Old 03-12-2014, 12:59 PM
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Re: Shift Assistant probs and hot smell

Quote:
Originally Posted by leeski09
Where from?

Cheers.

Yeah...where from?
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  #21  
Old 03-12-2014, 01:18 PM
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Re: Shift Assistant probs and hot smell

This guy from Belgium makes the accelerator module and ships it worldwide.

www.sol2.be
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  #22  
Old 10-16-2015, 09:25 PM
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Re: Shift Assistant probs and hot smell

I have a problem with my shift assist. First of I'd like to point out this is my first bike with this fitted and I hope it's a case of not using it properly.

I cant seem to change gear at all with shift assist unless I roll of the throttle a little bit. Ive tried putting pressure on, light tap and hard tap.

But it does work when I have the bike on the centre stand. So it seems that it won't work under load.

Hopefully Bernado will come to my rescue YET again
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  #23  
Old 10-16-2015, 11:44 PM
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Re: Shift Assistant probs and hot smell

Don't use it on your center stand! You have to be underway, hard on the throttle in upper RPM range. Do not let off the throttle and shift up. Don't use it from 1st to 2nd. Just driving around don't use it. You have to be accelerating and not let off the throttle.
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  #24  
Old 10-17-2015, 12:35 AM
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Re: Shift Assistant probs and hot smell

I've tried it in all rev ranges 4k+ no success.

Why not use it whilst on the centre stand? I did as a test, cant understand why it works this way but not out on the road. Also I can't see how trying it on the centre stand would damage anything , gear changes are very smooth.
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  #25  
Old 10-17-2015, 10:21 AM
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Re: Shift Assistant probs and hot smell

Quote:
Originally Posted by lacmac
I've tried it in all rev ranges 4k+ no success.

Why not use it whilst on the centre stand? I did as a test, cant understand why it works this way but not out on the road. Also I can't see how trying it on the centre stand would damage anything , gear changes are very smooth.
Hi Lachlan

The problem to run the wheel on the centerstand, apart for dangerous, is you don't replicates the reality.

You must think how works the gearbox: when you accelerate, all the engine power is applied in a really few surface between the gear teeth (primary and secondary axles), with an extreme pressure.

The mission of the QS is to release that force during few milliseconds cutting the fuel and spark depending the conditions of the throttle and RPM.
Said this, if you change gears when the gearbox is almost free of forces, like on the centerstand, the QS practically not work, like when you push the clutch lever. In fact works the same but you don't realize this.

IMO you must to do as explained in this thread, post # 8. Is really important when quick shift:
- Accelerate, upgear when the engine push the bike
- Don't touch the throttle, keep the same position as you have in that instant.
- Don't touch the clutch lever.
- Feel and hear the engine, when you think is the moment to change, just pull the foot lever.
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  #26  
Old 10-17-2015, 12:05 PM
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Re: Shift Assistant probs and hot smell

I would normally defer to the opinions of more experienced owners on this site. But in my short time with my new K1300S I have found the only way to get smooth shifts from SA when going from 1-2 is to short shift at low speed and around 4,000 rpm. Once I get to 2nd gear, I can get on it and SA works smoothly through the rest of the gears. If I am in first gear and rpm are above 5,000, I use the clutch for a smooth shift; SA invariably causes a jerky/clunky shift in those circumstances in first gear.
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  #27  
Old 10-17-2015, 12:28 PM
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Re: Shift Assistant probs and hot smell

The shift assist cuts the ignition for a fixed period of time, fuel continues. Newer systems cut both. The time the transmission takes to go from 1st to 2nd through neutral is longer than the other gear combinations. It is difficult to shift smoothly 1st to 2nd as you have noted. I don't even try as it seems to cause a bit of grief for the bike.
Testing the shift assist on the center stand does not duplicate the load and timing of real world shifting on the road. Should your bike be bumped off the center stand while doing this sort of thing the results would be spectacular to say the least.
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  #28  
Old 10-17-2015, 02:08 PM
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Re: Shift Assistant probs and hot smell

My old bike was awful if you attempted a 1st to 2nd shift so I never bothered. My new one is great in 1st to 2nd shifts but isn't as good from 4th to 6th.
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  #29  
Old 10-17-2015, 06:30 PM
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Re: Shift Assistant probs and hot smell

I understand how the QS works. And as I said, the ONLY reason II used the QS whilst on the centre stand was to test it. There was very little chance for it to fall of the stand as gear changes were very smooth.in fact it's a much safer way to test than being on the open road here in Malaysia

I know testing it on the stand does not duplicate it, but why would it work there and not on the road?

As I said in my previous comments, i have tried to use the QS by being as how everyone has suggested , revs slow and fast rising from 4k, putting pressure on the lever, or short tapping the lever, hard tapping the lever, No matter what I do it won't budge.would changing the angle of the lever make any difference?

I took the bike into the dealer, they also couldn't get it to work. they said it could be a faulty sensor. But wouldn't the diagnostic tool show this?
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Old 10-17-2015, 11:11 PM
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Re: Shift Assistant probs and hot smell

Hi Lachlan

Trying to help you, I prepared 3 videos of my riding style so you can compare different ways.

Also was a long time compromise with Pat about a video using the QS

Taken with a Gopro Hero 3+, full HD, in a fantastic route from Curitiba to San Pablo in Brazil, across secondary routes in the mountains.







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  #31  
Old 10-17-2015, 11:46 PM
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Re: Shift Assistant probs and hot smell

If you have a dealer, take it there and ask the service department to try it out. ( I see you have done this sorry) Well time for a new unit and have it paired with the bike computer. Mine failed when the bike was a few months old also.
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Old 10-17-2015, 11:56 PM
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Re: Shift Assistant probs and hot smell

Thanks for the videos Bernado, this is also how ive tried to use it.

I asked the dealer how it can be the sensor if it works on the centre stand, he couldn't give me an answer.

When yours failed, did it completely fail or was it intermittent?

What is the price for a replacement unit? I'm sure it won't be cheap. I wonder if there is any way I could repair it.

Also, could it be the switch on the clutch? As ive changed the levers. When I engage the clutch I can hear the switch click.
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Old 10-18-2015, 12:25 PM
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Re: Shift Assistant probs and hot smell

Lacmac, thinking about your problem, and want to answer your specific question why it shifts with no clutch on the center stand and not on the road. It is clear to me that your shift assist has failed, it is not working while on the center stand. Your transmission will shift easily on the center stand if you had no shift assist. The transmission has no load on it while on the center stand and can easily shift, much like the folks who do clutchless shifts by just manipulating the throttle while shifting (with no clutch). When you get on the road and have the transmission gears (and shift dogs) bound by a large load they are locked and will not shift so you either have to use your clutch to remove the load, change the throttle to remove the load or have a working shift assist system. Your shift assist system has completely failed. And you are being fooled by the easy "on the center stand" shifting.
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  #34  
Old 10-18-2015, 02:26 PM
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Re: Shift Assistant probs and hot smell

You could prove this theorem by tracing the shift linkage switch cable up to its connector on the frame rail left side under the seat. Unplug it and try your shift testing on the center stand. If it has the same results as before (shifts easily) then of course the quick shift never was working.
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  #35  
Old 10-18-2015, 08:01 PM
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Re: Shift Assistant probs and hot smell

Thanks beech,

You are completely correct. Last night I pulled out the clutch switch and was still able to to do clutch less up shifts.
Thank you for clearing this up.

I recently had the software update, this may be the problem as I came across this post during a Google search.

Mine went in for the first service a few weeks after I picked it up and needed a software update. The QS was working fine before but the dealer has to go through a procedure of running in a set way through each gear to get the quick shifter to function properly, after an update. I know this because the mechanic was struggling to find enough road at peak time to do this and took several attempts

I'll be back in touch with my dealer today.
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Old 11-10-2015, 08:30 PM
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Re: Shift Assistant probs and hot smell

Had QS on my '09 and have it on my '15 Motorsport.
Rarely use it 1st to 2and unless I'm in lower rpm range and not accelerating.
When using clutch 1st to 2and you barely need to move clutch leaver to get a smooth shift. After that it works smooth from steady throttle or balls to the wall.
Really improved after I moved shifter peg up one notch. HP rearsets are adjustable.
As far as the "smell" goes, my AK can stopped after a few hundred miles. After the first service, I made a couple of hard runs and that new exhaust smell came back.
Be carefull once you get QS working properly , when using it in upper RPMs. It'll feel like it wants to pull the bars out of your hands !! Don't ask how I know this.
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Old 11-10-2015, 09:05 PM
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Re: Shift Assistant probs and hot smell

My dealer got back to me,said the shift assist sensor is faulty and needs replaced.

Is there anyway of getting into the shift assist to check the switch?

I'd like to try before I have to fork out a few hundred pounds on a new shift assist.
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Old 11-11-2015, 06:54 AM
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Re: Shift Assistant probs and hot smell

Quote:
Originally Posted by lacmac
Is there anyway of getting into the shift assist to check the switch?

Hi Lachlan

Almost sure (IMO) is a sealed unit, you can't access to the switch, but you can check the operativity with a multimeter...

But.. if you buy one, worth to try, nothing is lost
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Old 11-11-2015, 07:02 AM
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Re: Shift Assistant probs and hot smell

Hi Bernardo,

It was already checked with a multimeter and compared to a working unit.This is how the dealer determined it was faulty.
I've been trawling the net to see if someone has managed to get inside of the unit,but so far nothing.
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Old 12-24-2017, 02:02 PM
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Re: Shift Assistant probs and hot smell

My quick shift isnt working either and i havent found any way of testing it with a multimeter. My buddy has a working QS and i checked his with my multimeter and couldnt get any indication (trigger) showing it was working.
Do you have knowlege on how to test or trouble shoot the solenoid?
Thanks,
Kenny
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  #41  
Old 12-24-2017, 03:08 PM
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Re: Shift Assistant probs and hot smell

Hi Kenny,

I had the same problem and also had an electrician look at it with the same results as you.

In the end I bought a used one.
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Old 12-24-2017, 03:24 PM
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Re: Shift Assistant probs and hot smell

Quote:
Originally Posted by kennywiseguy
Do you have knowlege on how to test or trouble shoot the solenoid?
Thanks,
Kenny
It is a Hall Effect unit. I have no idea how to test it. I have had them fail.
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  #43  
Old 01-02-2018, 02:21 PM
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Re: Shift Assistant probs and hot smell

I have a '15 MS. I have a question about the QS. When I try to do a hole shot and accelerate as fast as the bike will go (10k rpm) in 1st to 2nd, the QS will miss the shift and go into neutral. Should I just use the clutch from 1st to 2nd? From 2nd through all of the gears the QS works flawlessly. 140 mph comes up very quickly. I also noticed on the video, no clutch was used on down shifts. I always use my clutch and blip the throttle (rev match) when I down shift, unless I am using the engine to assist in braking, then I won't rev match. Thoughts? Am I totally screwing up?
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  #44  
Old 01-02-2018, 07:35 PM
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Re: Shift Assistant probs and hot smell

Up shift, you will notice your owners manual says not to use it near max RPM.
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Old 01-03-2018, 11:04 AM
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Re: Shift Assistant probs and hot smell

Using the QS on my bike from 1st to 2nd is very clunky so I always use the clutch lever for that shift.
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Old 01-03-2018, 11:12 AM
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Re: Shift Assistant probs and hot smell

Quote:
Originally Posted by Beech
Up shift, you will notice your owners manual says not to use it near max RPM.
Thanks, I just read in the manual that, "you should not use the QS in the area of the rev limiter." So yea, I've been screwing up, no more QS from 1st to 2nd.
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Old 01-03-2018, 11:39 AM
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Re: Shift Assistant probs and hot smell

Also, just my theory, the time frame that the quick shifter program gives the bike to shift in seems to be a fixed time. The time it takes to shift from 1-N-2 is longer than any other shift just between gears. I too do not do the 1/2 shift. This is the time where a Factory Engineer in Germany drops in and gives the real reason, hello out there?
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