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Slipper Clutch Vs Engine Braking

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  • #16
    What are slipper clutch? What are its advantages? How to make it work?

    Slipper clutch is now a quite familiar term in India as Duke 390 had an slipper clutch update and now Bajaj dominar comes with slipper clutch as standard feature. As a learner I can't really understand its working. I googled about it and found "during downshifts it partially slips the clutch until engine speed matches your speed." Do slipper clutch even works if we downshift even without operating clutch lever?

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    • #17
      Re: Slipper Clutch Vs Engine Braking

      Originally posted by hariiharan View Post
      Hello everyone!

      I am new to this awesome community. Has been a silent observer for few years now, and this is my first attempt to participate. I have a query for which I still couldn't get a proper answer yet. Slipper Clutch Vs Engine Braking.. Does slip clutch affect engine braking? My understanding of slipper clutch:

      1) Aggressive downshift induces wheel hops which are controlled by the slip clutch, so basically it rev matches
      2) Good for tracks when you want to go into the corners in a more controlled way so you can gun out of it

      Engine braking:

      1) Close the throttle and let the piston struggle for air, which causes the engine to slow down rather than just relying on the hydraulics and pads..

      I just booked my Duke 390 and will be getting it in couple of days.. Now despite all the excitement i went through some reviews which explained that slipper clutch might reduce engine braking Even after frantically looking for the connection between the two on the internet, is still a grey. How much truth is behind this? Can some experienced riders throw some light on this?

      Note: I searched through multiple threads and couldn't find anything close to it, so decided to start a thread. Hope this is not breaking any of the rules/regulations of the forum.
      I just recently got me a RC390.. still running in the bike. To answer your question, yes, i do hear a distinct whistling sound once in a while on downshifting or while rolling off the throttle in the lower gears. I think that's the "anti hop" (as KTM calls it on their website) at work. Before buying the bike i took a test ride of an older model that didn't have this slipper function and i found that it took a lot more effort to pull the clutch, enough to cause discomfort while using two fingers (the absurdly long reach to the clutch lever didn't help either). Whether the light clutch activation is because of the slipper function, i do not know.

      On the 390 the braking you get from shutting the throttle can sometimes be so strong it's almost like using the rear brake! But, I agree with @abhimanyu31 that it isn't desirable to use the engine as a brake. Anyway, whether you do it deliberately or not, engine braking is still present when downshifting and entering a corner and it's good to have this slipper aid especially on a bike like the 390. I think the idea is not to bang down the gears mindlessly, but to compensate for some sloppiness while doing so and also to deal with the engine braking which can be inconsistent. (BTW, a good/expert rider can do this manually by modulating the clutch.)
      Last edited by incipient; 01-02-2017, 02:34 AM.

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      • #18
        Re: Slipper Clutch Vs Engine Braking

        [youtube]https://www.youtube.com/shared?ci=xkAogIyGY1o[/youtube]

        Yamaha FZ25 Top Speed Video [GPS + Speedo]

        ⨌⨀_⨀⨌

        Horsepower was a lot safer when only the horse had it!!

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        • #19
          Slipper Clutch

          I would like to know answers from experts for the below questions regarding slipper clutch.

          1) what is slipper clutch..?
          2) How is it different from multi plate wet clutch..?
          3) pro's and con's of slipper clutch.
          4) How will it impact in daily use..?
          5) what are the impacts in terms of engine performance.?
          6) what are the impacts in terms of engine life..?
          7) which clutch longevity is more, slipper or wetplate..? and how long.?
          8) How does it affect in terms of mileage.?
          9) why is it meant only for high cc engines and not daily commuter..?
          10) can we install slipper clutch to any bikes..?
          11) if so, pls say me a place in and around omr, CHENNAI where i can buy and install slipper clutch(pulsar RS200).

          i already googled and saw few youtube videos and yet not clear with the details. so expecting you experts to explain as detailed as possible.

          Regards,
          Raghav SSR

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          • #20
            Do we need to rev match if we have slipper clutch?

            Please advise as I can't seem to find any concrete answer online.

            Sent from my Redmi Note 4 using xBhp.com mobile app

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