Author [NL] [FR] [ES] [DE] [SE] [IT] Topic: smooth shifting  (Read 8777 times)

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  • Offline Pits   us

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    smooth shifting
    on: Jul 20, 2018, 01.10 am
    Jul 20, 2018, 01.10 am
    Has anyone shifted the Trophy without the clutch? I did it a few times tonight and could not believe how much smoother it was than using the clutch. I was reluctant to try downshifting, but shifting up was remarkably smooth. Anybody else?

  • Offline HACKLE   au

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    Re: smooth shifting
    Reply #1 on: Jul 20, 2018, 02.22 am
    Jul 20, 2018, 02.22 am
    Pits, it might be the case that it's smoother without the clutch. But as a boss I once worked for said about driving his Kenworth prime movers. "Clutches are cheaper to repair than gearboxes, so use the clutch when changing gears". Just saying, that's all. Your choice. :821: :158:
    HACKLE     I'm too young to be this old.

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  • Offline earthman   gb

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    Re: smooth shifting
    Reply #2 on: Jul 20, 2018, 09.37 am
    Jul 20, 2018, 09.37 am
    *Originally Posted by HACKLE [+]
    Pits, it might be the case that it's smoother without the clutch. But as a boss I once worked for said about driving his Kenworth prime movers. "Clutches are cheaper to repair than gearboxes, so use the clutch when changing gears". Just saying, that's all. Your choice. :821: :158:

    I totally agree with you. :002:

  • Offline Phil   gb

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    Re: smooth shifting
    Reply #3 on: Jul 20, 2018, 02.37 pm
    Jul 20, 2018, 02.37 pm
    I once accidentally shifted up and realised pretty much straight away that I did so without using the clutch.  It was so smooth that I wondered if I had actually used  clutch absentmindedly and so I tried it again.  Sure enough the gear charged up again as smooth as silk.   After the "experiment" I decided that as Triumph have spent a great deal of time, effort and money developing, building and installing a clutch I owe it to them to use the thing.   

    Phil

    PS Jackie Stewart (British F1 driver) once completed a great number of laps at the Monaco Grand prix and won without a clutch.  It can be done if you know how to synchronise Engine speed to bike speed.  It's not difficult and expensive if you get it wrong. 

     

  • Offline Coconut   gb

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    Re: smooth shifting
    Reply #4 on: Jul 20, 2018, 06.57 pm
    Jul 20, 2018, 06.57 pm
    In one of my previous lives (  :164: ) during a ( Car ) Driving Course,
    I was given instruction on how to change gear without using the clutch -
    both Up and Down through the gears - the secret being to match engine Rev's
    to what is required by the gear to be selected - this is what modern
    Syncromesh gearboxes do for us, automatically.

    Those lessons proved extremely useful one Winter when the Clutch cable on my car broke,
    several miles from home, and I was able to drive home, with no clutch,
    saving an expensive ( and freezing cold ) Roadside recovery operation !

    Routinely though I always use the clutch in any vehicle that has one,
    as this is more sympathetic to all the moving parts involved !



    Last Edit: Feb 27, 2020, 07.44 pm by Coconut

  • Offline TT Ashford

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    Re: smooth shifting
    Reply #5 on: Jul 20, 2018, 09.03 pm
    Jul 20, 2018, 09.03 pm
    Have used my GSX-R 1000 K5 on track for over 10,000 miles now without using clutch on upshifts and gearbox is still in the crankcase and working fine, if done correctly should not cause any more damage than normal wear and tear. If you miss a shift or two though selector forks may start to get damage on them though. GSX-R has a total of 25,000+(hard ie shift at redline)miles on it, had valve clearence's checked the other week and ALL within tolerance. Suzuki's are awesome! If only they made a proper tourer....

  • Offline Pits   us

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    Re: smooth shifting
    Reply #6 on: Jul 21, 2018, 03.15 pm
    Jul 21, 2018, 03.15 pm
    An interesting subject. I have to say this. Although I noticed it shifted smoother, I still use the clutch. One time I drove my friend's old Mac cabover (a real truck but do not know the model) and shifted without the clutch all day long, Yes it is all about rpm. I also used to impress privates in the Army when I shifted the old deuseldorf (2 1/2 ton, another real truck) without the clutch. Its all about the feel, the sound, the rpm and ultimately the timing on these big trucks. The bike is too, just extremely easy and forgiving. I did not try downshifitng it as I stated earlier. But like one other said, I still use the clutch on my Trophy. Thanks all for your input.  :001:

  • Offline KGB

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    Offline KGB

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    Re: smooth shifting
    Reply #7 on: Jul 22, 2018, 10.42 pm
    Jul 22, 2018, 10.42 pm
    I use my clutch about 80% of the time, upshifting.
    Downshifting always use the clutch.

    I've found that during an upshift squeezing the clutch just enough to release the pressure, it shift smoothly.
    I've done the same on my 97 Sprint and have over 40K miles on the clutch with no slippage.


    Also shifting at 5k rpm and above is very smooth, and fun!
    Keith
    1997 Triumph Sprint Sport--Sold it and miss it
    1980 Suzuki GS1000S--aka Wes Cooley
    Ever notice you never see a motorcycle parked in front of a psychiatrist office?