How A Motorcycle Clutch Works | MC GARAGE
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- čas přidán 1. 12. 2016
- At the root of it, the clutch serves to engage and disengage the engine from the rear wheel. Without a clutch to couple and decouple the crankshaft and the transmission, you’d have a really hard time starting, stopping, and shifting your bike, so let’s have a look at how it works.
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The clutch may appear pretty complicated, but it's a fairly simple assembly that consists of an outer basket, inner hub, pressure plate, a bunch of clutch plates, and clutch springs and bolts.
The basket is geared to the crankshaft by the primary gear, and the inner hub is splined onto the end of the transmission’s input shaft. Nested between the basket and the hub are the clutch plates, with alternating friction plates, and steel plates. The friction plates have tabs that mesh with grooves on the outer basket, while the steel plates have tabs that sit in grooves in the inner hub. So each type of plate is locked into either the hub or the basket.
The pressure plate sits on top of this stack of plates and forces them all together with springs. When the clutch lever is out the clutch springs keep everything sandwiched together and the basket-geared to the crank-and the hub-attached to the transmission-are locked together so that the engine can drive the rear wheel. Pull the clutch lever and the pressure plate is forced away from the clutch pack, which permits the plates to slip past each other and the outer basket and inner hub to turn independently.
As you’re releasing the clutch lever and opening the throttle, the clutch plates are gradually pressing together and gripping each other, and as they do torque is fed from the engine to the rear wheel.
You may be wondering, why are there so many plates? It all comes down to the clutch’s capacity to transmit engine torque. We won’t get into the mathematics of it, but the torque capacity of a clutch is a function of the frictional force and the radius of the clutch plates. So, you can either have a larger diameter clutch with fewer plates, or a smaller diameter clutch pack with more plates. You could also up the spring pressure, but that would make for a really heavy clutch-lever pull.
Some bikes, like older BMWs and Moto Guzzis with longitudinal crankshafts that run front-to-back, use a single-plate clutch that's as big as a dinner plate, just like in a car. That works with those bike's layouts because they have space for a big clutch, but on most bikes the crank runs across the frame and design limitations mean a smaller-diameter clutch is desired. In that case, you gotta have more plates to handle the torque.
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Dude honestly whatever you do please do not ever stop making videos like these. I have seen so many people, moto vloggers etc. sitting on their bikes with GoPros on doing mystical hand gestures and also people who have actually taken the hardware apart trying to explain how a motorcycle clutch really works but honestly speaking it was only until today that I know what the term 'Wet Multiplate' actually means in my bike's specifications. Thank You so damn much. Love from India!
Ari Henning In all it's glory yes, Thank-you for replying and wishing you utmost success, will share and sub for sure :)
Couldn't agree more. I understand everything and I'm a total beginner on bikes and English is my second language. I instantly subscribed :)
I agree Ronnie. Ari has a lot of great technical knowledge and is excellent at explaining it.
When my kid asks how motorcycle parts work I just pull up your videos and let you explain.
Thanks for doing such a great job, keeping it simple without all the extra BS.
This video is so straightforward and clear, even a Harley owner could understand.
Now, to make a video to help them understand wearing gear. A helmet at the very least.
This is one of the best bike channels out there, keep it up you guys! I love this series.
still consistently blown away by these videos - straight to the point and really well thought out and presented. great job, guys
Couldn't agree more!
This channel is one of the few major publication channels I follow and actually enjoy. You do a great job of explaining while not showing any obvious bias. Cheers!
Explained clearly and concisely. I now get it.. Many thanks
Keeping us Noobies well informed and educated about bikes that Dealership doesn't wanna teach us. Keep making em' and ill keep watching em'.
Fan from the PH 🇵🇭
the most practical motorcycle channel period.
Always wanted to see how it works visually, thanks MC Garage! I know how it works, but haven't seen one!
I really like these mechanical videos explaining different parts on bikes prob one of my favorite things on bikes on youtube full stop. short and clear and concise information. teaches me alot and gives me confidence to work on parts I thought where alot harder than they really are . brilliant series guys keep it up
Wow. This channel is amazing. Straight to the point and no BS. I've learned so much in less than 5 minutes.
This is turning out to be a really informative series.
Your videos are freaking awesome!! I mean the visualization of the thing that you explain works for me!
Keep up the good work!
This is the most straight forward, concise and clear video I've ever seen about what a clutch is and how it works. I've always known about the components but not what they do and why. thank you thank you thank you
Hell yeah, getting them knowledge gains! Thanks MM
This whole series is great: clear and concise, and very informative.
thanks Ari and the MC crew!
i think the short concise videos are great
This turned out to be a great series! We need more MC Garage!!!
You give the best explanation of the workings of this clutch,thank you
as always another detailed and very informative video. love your work MC Garage.
Cheers
Love the videos and channel, don't stop making these videos! Clutches make SO much more sense to me now!
Great video! Best explanation of an MC clutch I've ever seen! Thanks!
Always a pleasure to watch you video's. Thanks MC' Garage!
Great video. Straightforward, simple, clear. Now I finally know how clutch mechanism works ;) Thx.
Your videos are very helpful! Great channel!
Nice, Clear, and easy. Awesome!!!
love these videos. can't stop watching them. just bought a bike and wow these have been informative. keep em comin.
spot on video, short and simple as always! good video to watch for clutch basics!
that was just fantastic. I have been curious about bike clutches and this one just cleared it out.
Excellent tutorial - the best video on clutch talks!
Just started watching you videos. They are fantastic. Straight forward and get to the point. I just used your info on tire changing. Was a lot easier than the last time I changed my tire. Have a lot more videos yet to watch. Maybe one day you will have one on carb sync. Thanks again
Thanks Ari! MC Garage is so awesome and I am definitely learning a lot!
Short but crystal clear explanation of how clutch works. Great work bro.
Nice description of how a clutch works. Thanks.
Excellent. Simply excellent. Thank you.
Thank you for this video, very informative. Keep 'em coming!
Exceptional tutorial, subscribed!
Great videos from this guy, simple to understand and detailed. :)
Fantastic breakdown on how it all works. Extra bonus points for bringing up the BMW and Guzzi design.
Very informative and concise, thank you!
Very informative videos, thank you.
I love these videos. The presentation and the production value are great and they're the correct amount of time. Keep up the good work! Might have to resub to the magazine because of these...
Awesome friggin video. I respect this guys ability to teach
Great explanation! Thanks for the video!
great video, concise and informational
Great job guys! Keep it up.
Good job man! I like your job!
Thanks for the insight Ari, keep it up! 👍🏻👍🏻
All my doubts have been cleared. Straight forward video. Thank you guy.👍 Love from India 😀
Great explanation - please keep up these vids they're awesome
As always, MC Garage rules. Thanks Ari and the team.
Fantastic im getting more confidence working on my bike because of these videos keep it up .thanks enjoy
Fascinating. Thanks!
Excellent job.
Brilliant-simple language-perfect amount of information.
Thank you for the video. I was not able to understand the clutch system before but now I got it.
awesome work, love the videos. can you guys make one on winter storage more specifically when it comes to tires.
would love to see a video on multi stage lock up clutches, but these videos are excellent and extremely informative.
Great explanation!
Very good video!
You guys are awesome. And best of all, you don't pressure your viewers to sign up for some nonsense premium youtube channel.
Excellent explanation!
great video as always!
Love videos like this, great stuff. 👍🏻
Thanks for helpful video!
Genius design. Cool to finally see how it all works
Nicely explained. Thank you!
Great video!
thanks guys great videos keep it up!
Good Work, keep this videos coming!
Keep making these videos, you are going to give me the motivation to build my own motorcycle.
Awesome explanation as always Ari, thanks mate.
Good explanation very easy to understand.
That was brilliant mate.👍👍👍👍👍👍👍
awesome video!!!!
Thanks Dude, great info!
good one! and you touched up on the energy conserving thing too! I made that mistake once. hehe. ten miles later, I was changing the oil again.
Best video explanation so far. Thanks man
Very helpful. Thanks!
It videos are great buddy😀very informative & concise👌👍
Best motorcycle informational channel on CZcams, keep it up !
extremely well explained
cant wait for the slipper
i tore my r6 apart and have a good understanding but nothing like you guys
Great stuff, Ari!
Hi, thank you guys for the great MC garage series! There seems to be a lot of confusion on the internet about adjusting the clutch engagement point and whether or not this is possible. I suspect a similar informative video could solve a myriad of internet discussions!
thank you anyways!
Great job guys i love these vids. Im surprised you dont have more subs.
I'm looking forward to the slipper clutch video!! :D
Another great vid, Ari! Simple concept, but until you know....you just don't know!!
Great videos as always, I would like to suggest a video about "spark plugs' and maybe how to interpret what they look like in various conditions. And also changing your front/rear sprockets, and how that effects your bike performance.
Exactly what I was looking for thanks
Great knowledge.. following you to know everything about my motorcycle.
I do not comment often on youtube videos. but i just wanted to let you know that you are awesome...Thank you.
Thanks for the informative vid.
amazing video
excellent informative video
I love these, and appreciate them
I am so impressed at your videos. Clear, concise and packed full of information which is easy to follow. Thank you for your videos, I have subscribed and hope to improve my own channel by learning from your style.
awesome video man! i love your Channel
Thanks for these videos Ari, man do I need them lol
This channel has little room for improvement. Because it's already awesomely awesome.