The Motorcycle Slipper Clutch: How They Work and Why They're Awesome | MC GARAGE
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- Опубліковано 4 жов 2024
- Like inverted forks and radial brakes, slipper clutches are a feature most riders think of as pretty premium. But what does a slipper clutch do, how does it work, and how can it benefit your riding? In this video from the MC Garage, Motorcyclist magazine’s Senior Road Test Editor Ari Henning explains it all.
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Twenty years ago, slipper clutches, which are also called back torque limiting clutches by engineer types, were reserved for racebikes. These days, slippers come standard on all kinds of streetbikes from performance machines like the Ducati Panigale to beginner bikes like the Kawasaki Ninja 300, and even sport-tourers and cruisers.
The whole idea behind a slipper clutch is that it prevents engine over rev and rear-wheel chatter, and helps keep the rear suspension working properly during hard engine braking caused by aggressive downshifts. At the racetrack a slipper clutch is helpful because downshifts are usually performed while hard on the front brake, so not only is there a lot of engine braking taxing the rear tire and suspension, but there’s very little static load pressing the rear tire against the pavement. Rear-wheel hop, a full-on skid, and even crashes can result. It’s not a good scene
On the street a slipper clutch might come into play when you downshift accidentally, make a sloppy shift in the wet or on a slippery surface, or if you downshift one more gear than you intended. Most folks don’t make those kind of mistakes, but if they do, a slipper could save their butt.
So keeping the bike’s back end calm is why slipper clutches are beneficial, but how do they work? It’s pretty simple, actually. The most common type of slipper clutch has ramps built into the inner basket and the pressure plate, and when the rear wheel begins driving the engine under deceleration, the ramps are forced together and they ride up each other. That pushes the pressure plate away from the clutch pack, which reduces the clamping force on the clutch plates and lets them slip past each other so that the rear wheel turns with less engine drag slowing it down and the engine revs aren’t pushed through the roof.
It’s the same action you’d get if you applied a little pressure to the clutch lever, but with a slipper clutch it happens automatically so you don’t have to put any thought into it. No rev matching or clutch finesse required.
A recent evolution of the slipper clutch is the “slip and grip” clutch. In addition to ramps that push the pressure plate out during hard engine braking, there are also ramps that force the plate in during acceleration. This puts additional pressure on the clutch plates to help prevent slippage. Since the “grip” ramps squeeze the clutch pack during acceleration, lighter (or fewer) clutch springs can be used, netting a nice easy pull at the lever.
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So simple to understand. thanks for the perfect explanation! great job! cheers from Spain!
Hey guys, I really enjoy these vids. cause there isn't any fluff at the beginning...straight to the point.
gotta really love this guy and his work. he explains things so clearly and has helped me countless times to understand the inner workings of my motorcycle. thanks ari! more good content from you, man!
every day is a school day
Facts
Brilliant Explanation!
I've accidentaly geared down to 1st instead of 2nd before a turn and was lunged forward getting into a whiskay throttle. I realized very quickly and let go of it. Happened when I was learning how to ride.
Vintage MC Garage, 3 minutes of informative gold :D
Nice video. No long ass intro, no BS, just straight to the point
Excellent, clear and to the point. I struggled through three other videos droning on about nothing and giving no information until I found yours. Perfect thank you.
Brilliantly explained in 3 mins, no 5 minute build up telling us how its going to be explained.
Quick, succinct, no clutter..hallmark of MC Garage.
Man, your MC Garage episodes are hands down amazing. As a guy who's got his first bike 3 months ago - I've learned so much from this channel. Thank you!
Thank you for this video!! I've known how slipper clutches work but I just bought a very lightly used 2018 Triumph Street Triple R and it has a "slipper/assist" clutch and it's a VERY light clutch pull which is amazing! My FZ8 that I had for years was MUCH stiffer and I was always good about lubing the cables, keeping them adjusted properly and running good oil. I wondered how they got such a light clutch pull but a clutch that would still hold almost 120hp without it being hydraulic.
Crazy to see how far he's come
Hey Ari, just wanted to say I've been watching you guys since before I bought a bike when you still on MT. After you disappeared I didn't know you had set up shop here but I sure am glad I found you again and you're still putting out great content. Now that I own a bike a lot of these well produced maintenance videos and part vs part videos have really made me more comfortable with working on my FZ09 and greatly increased my general knowledge. Thank you for what you do and I look forward to more.
As always, easy to watch, easy to understand, straight to the point, absolutely love it, great job
Thanks! A day when I learn nothing is a wasted day... Today you taught me something I might get someday since I'm searching a lighter replacement of my Yamaha 2010 MT03/660 cc/192 Kg all fuel up. I found several around 300 cc & 165 Kg all fuel up & some with slipper clutch such as the Honda CB300R 2022 :)
This is the best channel. Very informative and easy to understand videos. It's like Christmas every time you guys upload a new one.
San Diego stunt and drill team, in the 70’s
ran custom slip clutches manually accessed by a modified heal shifter on
Harley Davidson’s while riders grabbed handlebars of opposing bikes while 3 bikes idles in gear.
Cool to watch
thanks man. it's helpful.
love from Bangladesh 🇧🇩
You guys are an amazing resource for new riders, thanks a lot!
I love your content. You always break it down in a really simple way :)
Awesome explanation, and very informative. Thanks!
Brilliantly Explained. Short And Simple!!!
Nice job. Very professional. Excellent info. Thanks.
Great video. Highly informative and well explained. 👍
I can definitely feel the difference with a slipper in my R6 over my old FZR250 which just had a standard clutch. Even if you've mastered the art of rev matching on your down shifts, you still mess it up from time to time, and a slipper makes it much more forgiving.
Alternatively, you could just learn how to operate your clutch and gearbox correctly; but I can see the advantage of a lock-up clutch in that it allows the use of lighter springs.
My 2016 Kawasaki Versys 1000 came with a slipper clutch and i must say its really nice.....
Awesome informative videos. No BS, straight to the point. Love it, keep them coming!
If this man would be my teacher in college I would have scored above 80 in engine subject Kudos to u Sir🙏💯✌️
Excellent video mate.
I like the way you explain it in a very simple easy to understand english
Found out how good these were when I rented a track bike for a day. Riding a Honda VTR (Hawk) 1000 I always had to feather the clutch, fun but not in bad weather!
Didn't realise how simple the design change was for something so effective.
As always,good video with excellent information for those of us who need or don't need it.Well done mate.
Yamaha’s joke
R15 v.3-has slipper clutch
R3- no slipper clutch and 2019 and still no slipper clutch
one word: Marketing
beginners need as much assistance as possible dude
@Arun P G possible because its not that complex. the only problem is; is there any slipper clutch kit for your bike in the market
R15 is having slipper clutch probably because r15 is much lighter in weight having very less momentum even at high speeds which can be easily broken by engine braking causing skidding or disbalancing
@@chandrakantchamoli2192 its not about that really, all the bigger bike start from Ninja 400 way up to the 1000 have slipper clutch now and its nothing to do with that. its just yamaha didnt put it for the R3, at least for now. just that. the next gen R3 should have it.
I’ve always thought that slipper clutches are for riders who don’t know how to change gear. Thanks for confirming this - “1:55 - no rev matching or clutch finesse required”
Good vid. I own a bike with a slipper and knew what it did. But I had no idea how simplistic it was.
Love all the tech videos! Might not be appropriate for a "MC GARAGE" episode, but as the off season is upon us in most of the country I'd love to see some pointers on how you guys stay in shape in the off season. Thanks!
Slipper clutch is develop in the early 2000 for high performance racing bikes for motogp or SBK. Different slipper clutch designs were built later but what interest me is when one Japanese motogp rider, I forgot hus name said that he just use a tiny small amount of clutch pull to eliminate engine braking that was the reason in the development of the slipper clutch. Comes 2007 the new very light Honda CBR1000RR was introduced with all the gizmos to beat GSXs and ZXs who were the speed king. A new system that eliminates engine braking was introduced in the new Fireblade where the butterfly valve slightly opens as the rider eases on the throttle thus eliminating engine braking. Since then the new Fireblade becomes a machine to beat on the track
Just amazing! Great video! Earned yourself a sub!
These videos are so good! They are so well explained in such a short amount of time. Well done.
I love the slipper clutch on my z650. It's awesome for beginners or for aggressive driving. It's saved my ass a few times at least.
Thanks for the explanation! My Kawasaki Z650 has it and I'm glad i understand how it works now!
These videos are bloody fantastic
Delivered as promised and then some! Thanks!
can you get a slipper clutch on a CHINESE SCOOTAH though???
You're gonna have a REAL FUCKED UP DAY
What about a CVT ;)
Bris Focus no but you have it on CBBBRRR DOUBLE FUCKING R 1000
Man, I love me some Cycle Cruza all-in-one motorcycling channel... SUBSCRIBE TODAYYY!
Actually you may find that it is actually a centrifugal clutch
Awesome... thx .. wish you still did these videos 😉😉😉
As always,another perfect vid,good detail and easy to understand,well done mc.
Does a slipper clutch make the lever easier to pull also?
Typically no. The resistance you feel at the clutch lever is directly related to how heavy the clutch springs are. Sitting stationary at a set of lights it doesn't matter what type of clutch type is used in the bike, you will be pulling against the full strength of the clutch springs. There are only two ways to make a clutch lever feel lighter, the first is to put lighter clutch springs in the bike (not desirable at all) and the second is to increase mechanical leverage. Think when you put a longer bar on a socket, the effort is easier but the amount of travel increases.
Dodgy Brothers slipper clutches do have lighter springs and thus pulls.
Finish watching the video buddy then you'll find out
HeroRR i love your videos!!!
@@DodgyBrothersEngineering I think you forgot slipper clutches use lesser number of springs so they are actually lighter to pull.
You are definitely my favourite! Thanks a lot for all.
I did learn something. Thanks for that.
Nice job on the video!!! Quick and to the point!!
Good video! Well explained. I ride a 2012 Yamaha FJR 1300 & while I enjoy the twisties big time, I think a slipper clutch would cause me to be on the brakes a lot more. I count on that large displacement engine to slow me coming into hard curves. I very seldom resort to brakes except on unfamiliar roads where I come into a curve that gets tighter unexpectedly. We all ride differently & I totally agree that the younger, much more aggressive riders would benefit from a slipper clutch. Thanks for the great videos. :)
it doesn't disengage the clutch completely, just lightens the load. my rpms still match my rear tire.
Great !!! Please explain that Rekluse clutch; in the context of enduro riding. Thanks.
My yamaha R15 version 3 (155cc) comes with this feature. It's called A&S assist and slipper clutch.
I want to say thank you for this explanation. it's really awesome.
Tanks for a great show
great video , clear and simple
Always explain things so well.
Cheers for all these great videos!
Nice video, great job.
Cool ..it was so very simple ..grt bro ..happy riding
Thanks for the video. Nice and easy to understand.
Thanks man, your videos are very educational.
Thanks, very helpful for a clueless newbie:)
The biggest thing I got out of this video is a changed opinion on the kind of exhaust he has on the bike. Used to think they looked wack but it did looked pretty sweet on his RC.
Awesome videos, Just finished watching all how to videos.....If you had a show on netflix i would definitely pay to watch it...
Thanks for the info guys totally awesome deepest respect from South Wales bikers
These videos are so nice
Just found your channel, absolutely love your content and the presentation. I know what i'm going to be binge watching for the next few hours!
Thanks simple to understand.
Hi Ari! I would like to watch a video of you explaining how to use all the front tyre while turning. I have a scare line that i never get to get pass! Thank you, your videos are great
One suggestion: always look at where you want to go. The bike pretty much will go where you look. Do not look at where you might go.
While you are in a turn, if you look at the outside edge of the road, you will probably run wide.
Unless you are scraping the undercarriage, you can always turn tighter.
I wish there was one for my Hornet 250 gets wheel chatter in 2-1 first gear on down shifting even stopping at the lights 😂 mainly because I like hearing the crackle from a hard downshift 😂
Good video, thanks.
A great video as always!
Thanks from Texas!
Very helpful! Love this channel!!
Simply the best
MC GARAGE IS AWESOME!!
This should be considered a security feature thus come standard on any motorbike of considerable power.
Nicely explained, thank you!
love this guy
your videos are extremely informative (thanks for the good stuff 👍👍👍
Thanks alot for the explanation 👌🏻
nice video mate!
keep up the good work!
Even with a slipper clutch my 2016 Ducati Monster 821 when I would go hit some aggressive downshifts would still be able to chirp the Tire on the downshift.
Skids and locking the rear is fun though
Yeah, dying is very fun!
Great stuff...thanks
I was waitn for this video
Nice and to the points. Other UA-camr would take half an hour more to add confusion. Well done!
I had a bad clutch in my camry. It used to slip. I never knew it was a feature.
The beat sounds familliar
After going from a slipper clutch on the S1000RR and going to a heavy hydraulic dry clutch on the Rnine T I kinda wish I had it again.
New knowledge for me.
you make awesome videos.
Very informative! Thanks!!
3rd!
Thanks for putting up this video!
Pls make a video elaborating in detail the mods u have done on ur RC 390..
See the RC390's slipper clutch in action at Sonoma Raceway: ua-cam.com/video/x925xccO9wc/v-deo.htmlm16s
Motorcyclist Magazine you were revvmatching with the slippery cluch. Does it make any difference between revvmatching on a slipper cluch and not revvmatching. Or is the output the same. Cus i love the sound of blipping the throttle
IMHO Slipper Clutch is simply made for Lazy rider's , changing down while blipping the throttle even when NOT using the clutch (YES I said not) most Motorcycle gearboxes are constant mesh Dog selected and will do so easily if the dogs and gears in sync. If you are used to a particular bike it is easy to go both up and down gears without the clutch if required. I use the clutch to disengage on down shift and usually have released the clutch at the same time as blipping the throttle or marginally afterwards.
Slipper's certainly have a place in racing but on the street , I don't think so as I believe that it makes rider's lazy.
Motorcyclist Magazine can you explain what is clutchless and how it works
Simply NOT using the clutch unless starting off and or stopping, with skill and being profoundly used to a particular cycle it is easily done ,
I seldom use the clutch on up shift , You simply apply light presure to the gear shift and lighten throttle application VERY briefly - poof as load comes off the transmission the change is made .
I can change down the same way by having light pressure on the shift and at the same time I blip after very briefly getting off the throttle , the down shift is complete.
I DO NOT recommend doing this to any Motorcycle , I have road and drag raced in my younger days and am I ride my bike most days so I'm VERY familiar with it .
I WISH people would STOP the BULLSHIT Statement Rev Matching !!! This is an incorrect mechanical term when you should be saying gear synchronization .
Is there a video on clutchless shifting and would you say harmful or not harmful?
I like rev matching. Sounds amazing and a useful skill to know.