GSX1400 Owners .org

Technically Speaking => General Technical discussion => Topic started by: grog on Thursday, 28 January 2021, 06:42 PM

Title: Quicker Throttle
Post by: grog on Thursday, 28 January 2021, 06:42 PM
I know lots on easy ways to do. Worries me putting cable ties etc under cables. If they come loose, throttle jammed. Anyone have a good reliable way to do. Just want a bit less turn for accelerating.
Title: Re: Quicker Throttle
Post by: Hooli on Thursday, 28 January 2021, 06:57 PM
I think a R6 throttle tube does it?

Someone on here, from Croatia sorta direction I think, made up a metal insert to go under the cable & gave the sizes etc to make it.
Title: Re: Quicker Throttle
Post by: Kiwifruit on Thursday, 28 January 2021, 07:02 PM
Grog try turning the throttle like a screwdriver rather than rolling your wrist up and down.
They were trying to push that on the recent track day.
Title: Re: Quicker Throttle
Post by: grog on Thursday, 28 January 2021, 07:05 PM
Am i right, if just get another set of foam grips, they slide over whats already there, should also give quicker action, means i dont have to change any internals.
Title: Re: Quicker Throttle
Post by: Hooli on Thursday, 28 January 2021, 07:20 PM
Quote from: grog on Thursday, 28 January  2021, 07:05 PM
Am i right, if just get another set of foam grips, they slide over whats already there, should also give quicker action, means i dont have to change any internals.

You'd need the same amount of rotation for the same throttle movement & as the outer surface of the grip will then be moving further it might feel like you've made it worse.
Title: Re: Quicker Throttle
Post by: froudy on Thursday, 28 January 2021, 08:41 PM
I think I'm correct in saying that if you have a Power Commander fitted you can adjust throttle sensitivity that way. The R6 throttle tube does the job too.

There used to be a company called Hairy R's that made a throttle clip which fitted under the cables on the twist grip. Stupid expensive for a tiny piece of plastic and not very good. Tried to fit one to a mates Busa and it just kept jamming the throttle, so it was sent back.

Throttle clip still available too by the look of it...
https://www.bikersdiscountstore.co.uk/hairy-rs-q-a-throttle/hairy-rs/hairy-rs-1-5th-turn-quick-action-throttle-pd-14.php
Title: Re: Quicker Throttle
Post by: grog on Thursday, 28 January 2021, 08:45 PM
Froudy, inserting stuff just not interested. You said it, jamming up. Read about r6 tube. How does this work?
Title: Re: Quicker Throttle
Post by: seth on Thursday, 28 January 2021, 08:54 PM
@froudy
I've seen it done using a cabletie the same width as the twist grip tapered at each end and flies to the original twist grip so is under the cables .
Very crap and cheerful.
@grog Not heard of the throttle sensitivity being able to be changed/adjusted by a powercommander .
:cheers:
Title: Re: Quicker Throttle
Post by: froudy on Thursday, 28 January 2021, 09:28 PM
Quote from: grog on Thursday, 28 January  2021, 08:45 PM
Read about r6 tube. How does this work?

It's a direct replacement for the 1400 throttle tube. The diameter of radius where the cables slot in and rotate is slightly larger on the R6 tube therefore meaning you turn less for full throttle. In effect it gives you a 1/4 action throttle twist...If that makes sense...

@seth
Details ref PC111 Accelerator pump settings...
Title: Re: Quicker Throttle
Post by: Hooli on Thursday, 28 January 2021, 10:16 PM
Accelerator pump function doesn't increase throttle sensitivity. It just causes a richer mixture during the time the throttle is opened further. That might produce a quicker reaction from the engine, but the butterflies will still be in the same place. So twisting enough for 60mph will still need the same amount of twist, it just may act differently while the speed increases.
Title: Re: Quicker Throttle
Post by: froudy on Thursday, 28 January 2021, 10:37 PM
Quote from: Hooli on Thursday, 28 January  2021, 10:16 PM
Accelerator pump function doesn't increase throttle sensitivity. It just causes a richer mixture during the time the throttle is opened further. That might produce a quicker reaction from the engine, but the butterflies will still be in the same place. So twisting enough for 60mph will still need the same amount of twist, it just may act differently while the speed increases.

Thanks for clarifying this Hooli...I got it wrong didn't I :embarrassed:
Title: Re: Quicker Throttle
Post by: Hooli on Thursday, 28 January 2021, 11:08 PM
No problem mate.

Oddly enough on bikes with FBW throttles you can adjust the throttle sensitivity via the ECU etc, that's how rider modes work.
Title: Re: Quicker Throttle
Post by: seth on Friday, 29 January 2021, 04:02 AM
@froudy
I knew about the accelerator pump function .
I've never tried it but folk who have say it makes the bike not as smooth and quite strange to ride .
Title: Re: Quicker Throttle
Post by: grog on Friday, 29 January 2021, 06:12 PM
Found throttle tubes. $20. Motion Pro name of company. Stock is 1/4 turn. R1 is 1/5. R6 is 1/6. Any idea anyone which is best ratio.
Title: Re: Quicker Throttle
Post by: Hooli on Friday, 29 January 2021, 06:30 PM
From those numbers

Standard 90 degrees
R1 72 degrees
R6 60 degrees

So the R6 tube will only need 2/3rds the movement of the standard one.

I've never tried a quicker throttle to know how it feels though.
Title: Re: Quicker Throttle
Post by: SFC1000 on Friday, 29 January 2021, 06:34 PM
For $20 each buy both, then you can try and see what suits you.
I would say R6 only because it would give the greater difference.
Title: Re: Quicker Throttle
Post by: 1AW022 on Friday, 29 January 2021, 08:09 PM
When I had the GS500 they talked about such things
I bought a tube Motion Pro 01-0094 R6 throttle tube
Never fitted it... maybe I can try this out... not that I really need quicker throttle

Title: Re: Quicker Throttle
Post by: steve porter on Saturday, 30 January 2021, 08:26 AM
I recently put a slower action throttle on my mates superduke ( it came as a 3  cam kit from KTM) as the bike was too snatchy. He is over the moon with how much more rideable the bike is in traffic and for general duties
Title: Re: Quicker Throttle
Post by: Cykik on Sunday, 31 January 2021, 02:13 AM
Interested in this mod. What year R6 throttle tube is needed?
Title: Re: Quicker Throttle
Post by: Eric GSX1400K3 on Sunday, 31 January 2021, 09:44 AM
As far as i know, my K3 has a std throttle, as i cant see any evidence  of  new cables, cams or other mods to the system, but it only takes just past a qtr turn of the grip to go from closed to fully open, qyuock enough for me.  I wonder if there was any kind of update in the model series?
Title: Re: Quicker Throttle
Post by: grog on Sunday, 31 January 2021, 04:41 PM
As far as i know all 14 have 90 degree throttle. 99 -05 R6 have 72. 06 on are 60.