Date: 05-06-20  Time: 23:25 PM

Author Topic: Quickshifter  (Read 1078 times)

Kenbob

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Quickshifter
« on: 27 November 2018, 05:43:01 PM »
has anyone installed a quickshifter on their gen1 thou.
Have been looking at healtechs version, looks ok.

tex

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Re: Quickshifter
« Reply #1 on: 28 November 2018, 06:00:34 PM »
I've got the h&m one on mine , works well , easy to install and set up, connects to the coil and cuts them when you move the lever up, has 3 sensitivity modes.
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mw2018

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Re: Quickshifter
« Reply #2 on: 20 December 2018, 08:45:26 PM »
never ridden a bike with a quickshifter on - how do you use it? tap the gearlever or what? how about downshifts? can it do that or not?

Kenbob

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Re: Quickshifter
« Reply #3 on: 21 December 2018, 03:23:44 PM »
A quickshifter gives you the ability to change gear without backing off of the throttle, it momentarily cuts the ignition at the coils which unloads the engine and allows you to change gear, up the box not down.
Full power shifts so to speak.

mw2018

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Re: Quickshifter
« Reply #4 on: 21 December 2018, 10:01:18 PM »
oh, ok. how do you operate it then? via the gearlever somehow?

celticbiker

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Re: Quickshifter
« Reply #5 on: 22 December 2018, 10:52:20 AM »
There is a micro pressure sensor in line with the shift rod, as soon as you apply pressure to the lever the sensor signals the electronics box and kills the ignition for a predetermined amount of time, usually between 0.05 and 0.2 second.
This kind can be had for about 250 gbp.
The down side is that the injectors are still firing and with modern pistons having thin crowns you could conceivably shorten the life of your pistons through detonation because you have more than one measure of fuel in the cylinder when it starts firing again.
To prevent this there is another kind that also connects to the injectors but they are way more expensive and complicated to set up.
Edit
Just to put some numbers to this. At 8000 rpm the injectors and plugs are firing at 33 times every second.
So if you cut the ignition for 0.1 second you are still getting 3 times more fuel in the cylinder than you should have.
« Last Edit: 22 December 2018, 11:02:41 AM by celticbiker »
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Kenbob

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Re: Quickshifter
« Reply #6 on: 23 December 2018, 01:35:13 PM »
quickshifters cut the ignition to each coil via their own pattern but that momentary ignition cut doesn’t mean that the cylinder will have more fuel in it the next time it fires, the unburnt fuel will exit out of the exhaust valves in the normal way.

CatalinU

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Re: Quickshifter
« Reply #7 on: 20 February 2020, 01:49:00 PM »
I've got the h&m one on mine , works well , easy to install and set up, connects to the coil and cuts them when you move the lever up, has 3 sensitivity modes.
Any other installed this? Does it work both ways? Just want to know if it's wise to spend over 300 pounds on this or not

unfazed

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Re: Quickshifter
« Reply #8 on: 20 February 2020, 07:07:33 PM »
  For track days and racing I can understand having a quick shifter, but on the road I fail to see any good reason for one.  :rolleyes

coffee

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Re: Quickshifter
« Reply #9 on: 20 February 2020, 07:32:55 PM »
There can't be one surely? quickshifters,antiwheelie,seamless boxes,etc,etc,fuckin'etc.load of bollocks on the road. :groan
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celticbiker

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Re: Quickshifter
« Reply #10 on: 20 February 2020, 07:43:20 PM »
Having driven my new Audi q3 with S tronic seamless gear change I've been wondering why the hell haven't we got this on bikes yet.
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Dudeofrude

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Re: Quickshifter
« Reply #11 on: 20 February 2020, 09:52:55 PM »
I've got the h&m one on mine , works well , easy to install and set up, connects to the coil and cuts them when you move the lever up, has 3 sensitivity modes.
Any other installed this? Does it work both ways? Just want to know if it's wise to spend over 300 pounds on this or not

I personally couldn't see the point of spending £300 on something that saves about 0.5 seconds of acceleration.
If your good a clutchless upshifts then you only come off the throttle for a fraction of a second anyway and you can do that for free so this really is a waste of money in my opinion

CatalinU

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Re: Quickshifter
« Reply #12 on: 22 February 2020, 06:15:47 PM »
Thank you guys for the feedback, will be passing on this then. Spending money on something else :D

unfazed

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Re: Quickshifter
« Reply #13 on: 22 February 2020, 07:14:41 PM »
A very wise decision  :lol

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Re: Quickshifter
« Reply #14 on: 24 February 2020, 06:35:47 PM »
 Anyway, last year I test rode an MT10, a CB1000R and a R1250R.  Both the MT10 and R1250R had quick shifters.
 
First up was the MT10, I did actually ask if they could switch the quick shifter off as I was worried it would get in the way on the test ride.  No it can’t, and yes it did.  It’s hard to change the habit of a lifetime. I change up without the clutch all the time, I just snap the throttle closed then open, at the same time as prodding the gear lever.  It’s like an automatic reflex.  The MT10 did not like this behaviour one bit, I had to work hard against my instinctive reflex, but towards the end of the test ride I was starting to get the hang of it.  However, I felt that the quick shifter was a bit crude, but maybe that was just me not being used to it.
 
Next up was the CB1000R.  No quickshifter, so no problems.
 
Then the R1250R.  I asked again if the quick shifter could be switched off.  Nope sorry.  They told me just to use the clutch like normal if I didn’t want to quick shift.  They didn’t understand when I told them that that’s not normal to me.  Anyway, my brain had actually managed to get the hang of it after the MT10.  But I just found the thing crude and somewhat mechanically unsympathetic – it’s rough.  So, I ended up rolling off the throttle a fraction to compensate – so what’s the point?  Oh, the R1250R had an auto-blipper too, I just about remembered this towards the end of my 2hr test ride.  Maybe it wasn’t set up right, but I only tried it twice, rough as foc – nasty.


As far as I am concerned quick shifters are for racers.  Clutchless shifting without one is easy, anybody can do it.  Leaning to brake and blip the throttle whilst going down the box ain’t that hard either.  Learning these simple skills adds pleasure to riding a bike.


So quick shifter – it’s a no thanks from me. 
 

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Re: Quickshifter
« Reply #15 on: 13 May 2020, 03:48:43 PM »
never ever used one, had a blast on my mates tracer 900gt and it was excellent

unfazed

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Re: Quickshifter
« Reply #16 on: 13 May 2020, 11:57:22 PM »

As far as I am concerned quick shifters are for racers.  Clutchless shifting without one is easy, anybody can do it.  Leaning to brake and blip the throttle whilst going down the box ain’t that hard either.  Learning these simple skills adds pleasure to riding a bike.

So quick shifter – it’s a no thanks from me.
:agree Same here VNA cannot see any good reason for having them and/or not being able to switch them off on road bikes.
Wonder if you just replaced the shift shaft and left the quickshifter connected and tied up under the seat what effect would it have?

killerwhaleTRX

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Re: Quickshifter
« Reply #17 on: 22 May 2020, 06:51:29 PM »
  For track days and racing I can understand having a quick shifter, but on the road I fail to see any good reason for one.  :rolleyes


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tommyteeman

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Re: Quickshifter
« Reply #18 on: 02 June 2020, 09:55:08 PM »
 :thumbup :thumbup  to quickshifters, I think they are great. Haven’t got one one on my thou, but will probably fit one at some point. If you like to pin the throttle and snick up through the gears get one.