Free Go Kart Clutch Performance Mods | Centrifugal Clutch Upgrade

Today were taking a look as some Free Go Kart Clutch Mods that can add some serious performance to your predator powered Go Kart, Mini Bike or other project. These mods will work with almost any centrifugal clutch system and are pretty easy to perform yourself for free. These upgrades can turn a standard centrifugal clutch into a high performance max torque ss clutch or similar without the cost.
In this tutorial, we turn a six shoe clutch into a nine shoe clutch and we add a max torque black spring cut to custom length. This will engage the go kart clutch at a higher RPM (3200-3400RPM) and provide more power and better grip.
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1. Make sure you are subscribed to DirtGearTv
2. Leave a comment below with the project you intend to use the clutch on. For example "MiniBike"
3. When our next video drops I will randomly select ONE winning comment and ship you the clutch for free
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[@kturner433]

Black electrical tape wrapped around the outside circumference of the shoes will hold them together so you can install the spring, and reassemble the clutch. Once assembled, simply remove the tape. No more popping shoes.

[@nitro914]

Great video! I needed the help improving a C clutch. Was going to put a torque convertor on it but my parts supplier said that the clutch was better for my application. I am building a 212 drag mini bike/show bike. Thanks for the video.

[@mtwseneca]

A trick on re-assembly I did was to put a large hose clamp (or double clamps strung together) around the shoes before putting the thin plate and snap ring on. It retains the shoes nicely. One benefit of these clutches is unlike the maxtorque- these can get locked onto the shaft tightly by the drive shaft end bolt. The xtra tension helps keep the key intact. Mike

[@brettdillaman5477]

Smart trick I like that

[@mrkeopele]

yup, me too, put 2 hose clamps in series to hold the shoes together while I stretch spring into groove!

[@charlesparson1331]

This is the best clutch video there is. Cutting the spring fixed my new clutch. Ty 😊

[@carmabitesbac]

Great” detail and video , time to add some more performance to my Mini Bike!!

[@philipherin7074]

Thanks a lot of help had no clue how to do it till now

[@cravenmoorehead5636]

Also it is really beneficial to lap the brass into the center tube. This will greatly reduce friction and make things a ton more smooth.

[@cravenmoorehead5636]

Watch max torques assembly video. It takes the "if you are good enuff / fast enuff" out of the equation and you will go at the whole thing alone more confident. This is a great video. Not trying to knock this guy cause it's obvious he is honestly being helpful.

[@Bobcagon]

Ya I watched that and it was so common sense.

[@marcs4091]

That's pretty impressive I've never seen anybody put a clutch back together like that and make it look so easy. It's easy for me, but I have a trick. I could never put the clutch back together the way you did it with out some serious aggravation . I put the shoes and the springs together facing down on top of the plate you had on top. And then I mash the other plate with the fins on it into the piece holding the shoes. Then I grab a couple of small C clamps and clamp it togethe, before I put the lock ring on. Otherwise they blow up in my face as I'm trying to put the lock ring back on.

[@kaygamble4596]

I really need this for my go kart ! Been trying to get it working for 10+ years needs a clutch like that !

[@kinger557]

Thanks! I had the same problem 😆

[@ATBstudiopink]

Looking for a clutch for my rupp project🤘 dig the video, taking the clutch apart on my daughters mini bike cuz that slips and trying this.

[@GarageBuilds-cu6ge]

thank you!

[@raymondgallegos3541]

Hey thanks for all the videos very interesting and helpful I am building a motorcycle using a schwinn bicycle frame and a Honda 11hp engine sure could use a clutch that would fit a1" crankshaft

[@trevorbruce7516]

I’d love this for my gokart build ,my son and I are doing a budget build and this would make the budget go a lot further

[@DirtGearTv]

Sounds like a fun project, good luck!

[@cachidril]

hi, I have a go kart with an 390cc engine, no stock-exhaust and carburator, do you think that a harder spring is much better than the stock?

[@JeepCreep1561]

I could definitely use that in my Coleman mini bike.

[@DangerDavefpv]

Love the channel, son's stage 2 predator go-kart needs more power

[@alexwyatt7800]

That clutch would be perfect for my mini bike!

[@tuberez]

I put predator 212cc motor in Baja Dune 150 buggy with $25 clutch on Amazon but it wont move! Is clutch too small? Thx

[@andrewsavage1872]

Max-torq has a similar video on how to modify a standard centrifugal clutch for racing. He cuts all of the shoes in half, and takes 2 loops out of the spring and says to only do the modifications on a new clutch, never a used one. As a side note, I'm building an old kart for my niece, the first one I took over for her and her brother is too long for her to reach the pedals, a centrifugal clutch is the last item I need to surprise her with a new kart, and I'm on a stay home dad budget, my kids kart is already finished.

[@mihkus]

What works the best is to make that piece of crap spring perfectly round. Goes together so easily, you even start enjoying swaping the clutch shoes or spring itself. It also catches at much lower rpm because the spring is not dragging

[@ozelldavis2622]

Needed it for a go kart

[@avibrye8306]

That's a nice clutch I can use it on my my invention got a quadcycle quad front with crouch rocket rear end with a 12 hp cast iron Briggs and Stratton motor of a generator

[@MafiaLab]

hi. thanks for sharing all this mods. one question: Is it normal to have 525 Farenheit Temperature in the Clutch??

[@kevinjohnson9372]

Thats a hot tomata

[@oldhillbillybuckkowalski]

I'd say no, but I'm running a Briggs and Stratton Vanguard Vtwin 479cc 16 hp in a Massimo Baja Warrior MB 200 minibike and if I give it much throttle at all on take off from a dead stop it slips horribly even with a new clutch. In fact going up my buddy's driveway wich has a moderate incline, from a dead stop actually made my clutch visibly glow red until I reached the top where it leveled off ,I let off the throttle and the clutch grabbed and then began to cool down. I had to immediately disassemble it and re lubricate the needle brgs which had cooked every bit of the high temp lube off of them.

[@blessscott5676]

I'm building my first ever mini bike it had a 2.4 and I just got a 6.5 predator motor.. what's some tips on making it faster!!???

[@ronniemelonjr504]

I'm building a chopper with a predator motor and I could really use it and thanks for the video it was really good

[@jokerrr14]

U realize this was more then a year ago

[@daveyab4889]

r/wooosh

[@mrkeopele]

shoes and drum are the terms I learned, but bell housing, yeah, maybe, too!!

[@lucasanti3542]

What difference in thickness between the black spring and the original spring?

[@Lou246]

My outside circlip keep coming off what should I do?

[@jaredhardin4354]

Predator engine in a go cart for my son been having it for a few years it has a 13 and a half predator engine but no drive train did have a 30 series tourque converter but not big enough for that amount of tourque so it just went threw belts so did away with it it calls for a 40 series but haven't been able to come up with extra funds to acquire it but this project is extremely important to me cause it was something me and my brother was working on to get going for my son and my brother here recently pass away so I wanna finish it for him basically cause it was something we was working on together

[@jamesmock8685]

dude tyvm i could not understand this.. got it on a 270cc go kart.. ty

[@speez81]

Maybe you can help me out: Just purchased a go kart with a 212 predator 6.5 hp engine. It has a centrifugal like the one shown on kart in this video (i believe it has 10 teeth). When we first ran it, it ran like crap. But once I cleaned out the gas tank and replaced the fuel filter, tore apart and cleaned the carburetor (removed the jet ran thin wire and carb cleaner through all the ports) put it back together, and finally replaced the plug with a recommended High performance non resistor AR3910x Autolite plug, it ran amazing with top speeds of 35 MPH. I'll be honest, I don't know much about live axels, centrifugal clutches, sprockets, or torque convertors. The live axel has a 60 tooth sprocket Question: Is there anyway that I can gain more take off power, especially like in grassy areas?? It will take off pretty decent on pavement, but once it's in the grass or making turns, It takes awhile to get going. I know the centrifugal clutch on it is wobbly ( like really wobbly) rusty and loose... maybe it's not engaging or slipping during take off??? So would replacing the clutch help with more bite/grip when during take off?

[@DirtGearTv]

Our Giveaway Clutch Winner Has Been Selected! Head Over to Insta @DirtGearTv to see if you won. Winner will also be announced in the following video. Thanks to all those who entered! We’re going to continue to do giveaways when possible!

[@lawrenceomara772]

When getting ready to put your cut down spring back use a large hose clamp around the clutch shoes to hold them in place to get rid of the popping out of the shoes.

[@ratoneJR]

Use a zip tie to hold the shoes together during assembly...might help?

[@sandywininger1269]

What is making it want to pull at an idle speed

[@idrift314]

Pro tip: use a hose clamp to keep shoes in place if you’re having trouble getting the spring in place😘

[@predator_boiz336]

Better pro tip, remove the sproket out of the bell and flip it upside down, sit everything in the empty bell and put the shoes and spring in , then put the top, c clip, and pull it out; then put your sprocket back in the bell and stick it all back together; also I use a 1” piece of pvc for the C clip and hit it with a mallet

[@highdrone69fpvakamasterroshi]

Minibike...Goodluck yall 👽🤟

[@jeremysummerlin3932]

My clutch in my minni bike I got moped tires and rims it looks like a baby chopper fat tire and all clutch has a lot of slop and it’s exactly like the one u have

[@colewells7727]

can you use these clutches for a duro-max 18 hp engine?

[@jamesdowis1005]

I'd love to try it out on my mini drag

[@kylecialella2991]

Good video 👍.I have a 39 cc chainsaw on a bicycle. Slips so bad it’s Chery red after a few miles. Considering removing spring and sanding drum with 80 grit. I’m really not to worried if something gets ruined....... any comments anyone

[@DirtGearTv]

Thanks for the entries everyone! Ill be randomly selecting our clutch winner this weekend. If you do not want to wait until the next video, head over to Instagram @DirtGearTv to see who wins this weekend!

[@one1onetime935]

i got in ?

[@DirtGearTv]

ONE1ONETIME Yes

[@robertdare4530]

I need a new clutch on a go cart I just purchased mine is turning red hot idk what’s wrong with it

[@richmunn222]

I just finisd putting a 6.5 hp honda motor in a mini bike and it has a brand new clutch. And it just smokes the clutch I'm gonna try this modification and see what happens. If you wanna send one cool I'm probably gonna need one.thanks.and I have an old briggs and stratton engine that the shaft is 7/8 or 1 inch the Honda is 5/8 and I can't swap the the clutch from engine to engine

[@davidmackgutierrezjr2126]

Yo i really really needd that size clutch for my minibike kholer build....hard to find part in my area

[@user-ds5mb9tg6r]

Rebuilding a go-kart for two little boys 8 horsepower.1nch shaft.thank you

[@rodneygann4645]

I need that clutch for my mini bike to put that predator engine on where the run faster why can cruise up and down the road

[@robertmason8229]

Where do u get all ur parts from? Like the clutch in just beginning to do my own builds starting out with a go kart but need help finding a good place to get my stuff from

[@DirtGearTv]

Robert Mason Checkout Affordable Go Karts!

[@robertmason8229]

@@DirtGearTv thanks

[@christopherowens2635]

Any ideas how to get a very low RPM? I’m talking about 100 RPM or engages around 3-4 mph.

[@DirtGearTv]

You want very low rpm engagement right? Would be the opposite of my mods, so going with a lighter spring or stretching out the stock one. Any engagement that low will probably stall the engine pretty quick though

[@philipjames9558]

Just a tip, run some electrical tape around the outside of the shoes until you get it reassembled

[@kevinscott8356]

I need the clutch for my phatmoto having problems with the one that came with the bike.

[@dougghackkaa8749]

What does cutting the plates in half do and why not cut them all.???? And I would use the clutch for my 79 cc mini bike build.

[@DirtGearTv]

Cutting then makes more points of contact when centrifugal force pushes them out. You cannot cut the ones on top of the hole in back plate or they drop through 👍

[@cmore9975]

I would use the clutch for an old go cart for my grandson. Its a 212 Predator. Thanks

[@ronaldwillis1181]

I need the clutch for my first build I’m building a go cart with a 212 cc and stretching the frame with a smaller sprocket at the wheel

[@tinabongiovani8972]

I have a 11 hp honda on a yerf dog frame that we are building. Got the motor of a a generator. Got everything off the end of it and known it down to a 1 in shaft that's all we need so we can get the engine mocked up.. we're big fans

[@DirtGearTv]

Sounds Awesome! I’m going to do more with smaller projects as well, like what your building.

[@alexray2925]

Would be using it on a KASEA adventure buggy custom build.

[@garryludwick2990]

A ZIP TIE around the shows will help with putting the spring in, an extra hand

[@laransly5129]

Hey bro I just bought a 420cc predator engine with a 1”inch shaft and I’d love some pointers for performance before I screw something up and since u giving a cluthch assembly for that size I’d love to be that lucky guy. Lol

[@DirtGearTv]

Clutch winner has already received the prize, but if you go to my 79cc power mod video, those same performance mods will work wonderfully for your 420cc!

[@rashaudwest2572]

I’m running a predator 212 and it’s vibrating hard

[@jamesadams6721]

I would be using it for a mini bike that i made myself i really need that clutch!!!

[@DirtGearTv]

Sorry bud the clutch was already given away. I plan on having some more giveaways soon, so check back!

[@arronjohnston742]

here's a tip, use a cable tie to help keep the shoes in place...........

[@romezyobrittin8121]

I need a clutch for my predator 224 motor, I haven't been able to ride it yet.

[@nathanpatton1795]

Does anybody know where you can purchase more of that spring?

[@DirtGearTv]

Affordable Go Karts sells the max torque springs in different strength

[@dennyskerb4992]

Clutch would be awesome on my zx1000 😂

[@tonepemberton2744]

Could have used it for my adult goocart

[@user-nc7qv1po5q]

Please help I need to get the complete clutch 2 pls

[@mikejr8209]

I’d put that clutch on my go kart 🤘

[@user-fz1bq8ox8e]

Hello friend nice job I need a clutch for my go-kart it's too hard to get them over here in mesquite NM jobs

[@chrishardy1347]

Building a boardtrack bike and could use the extra clutch on my build

[@mk5malone644]

I really need that for my minibike

[@DirtGearTv]

Thanks for the entry! Good luck

[@willieshealey3075]

I will use it on a 301cc predetor on my gokart

[@brentonernest1954]

I'd use it for a bike conversion

[@KkAa-uh1qi]

This is for my son's go-kart that I am building out and it did not come with an engine or tires but I have some tires and I bought a brand new Honda engine from the salvage yard and I just need a clutch And a chain

[@patricksweeney731]

I need a clutch for my Honda gx390 to finish a off-road go kart

[@chitkaungkyaw6997]

My clutch is overheating ang very loud sound. How to solve this problem please. ?

[@DirtGearTv]

Probably a damaged or loose spring not allowing it to not fully disengage. I’d try replacing the spring first

[@romeogutierrez3840]

I would be using it for a 1980s Mirgay kart

[@wallie1058]

If I get the clutch I am going to put it on a 212 predator for my moped scooter

[@roccosbisi7461]

I need a new clutch for my predator i'd love it

[@Vibess252]

I could use one for my mini bike predator

[@sandywininger1269]

My first time here I'm 60 and bought my 1st Murray gocart I live on a fixed income so I'm trying to do everything myself it's cheaper I really need a clutch

[@ErickNichols-bg7tc]

I need one for a min bike

[@calvinperkins3541]

A project for my daughter we have the motor but no clutch

[@cryptohippo6008]

I'm sitting here, on youtube while,, browsing the web looking for a 1" centrifugal clutch. And hear talk about giving one away, I rush to enter, then see im 10months to late 🤦🏾‍♂️

[@stevieburnley263]

For a chopper bike👍

[@smiley__4919]

any idea of how to make the clutch ingauge at a lower rpm?

[@DirtGearTv]

Yes you would just use a longer or softer spring

[@smiley__4919]

@@DirtGearTv Thanks!

[@user-vh6my5vo7w]

My mini quad got a 212 on it

[@greenfpv506]

My mini bike clutch just started going out

[@mjfreeman5673]

Yeah I need a new clutch for a predator motor for a for a trike that I built like my big truck I got a mini truck like a mini me

[@user-ji5ih1nf4r]

I'm rebuilding a mini bike for my grandson, n we are In need of a new clutch. The new engine is a 212 cc, Power Fist.

[@Bigbossblake1]

I need one lol

[@kennytinsley8288]

I have a phatmoto bicycle and I want a performance

[@sawyernanook3964]

I need the clutch for my drift trike

[@kimlashum243]

My 2 grandsons who are 5 and 8 and myself are building a go cart with a predator 212

[@officiallistengreatmuzik]

I need a clutch for my go-kart I was driving it and the clutch literally blew off the engine 😮 couldn't handle the power of the predator 212cc upgrade

[@andrewsavage1872]

Just a guess, wasn't installed correctly. I've got a 212cc predator degoverned that's been running the same centrifugal clutch for over a year, I'm 6' 160lb and the clutch helps me run along about 40mph all day long, I ride it 3-4 times a week and push it hard.

[@officiallistengreatmuzik]

@@andrewsavage1872 did you use any lock right or something on the bolt when you installed it?

[@DivineMisterAdVentures]

You need to link these things so I don't have to - I can't find the after-mods test for that 79cc engine.

[@tomkeppler3519]

Wonder you learned this lmao. Somebody watch a popular clutch manufacturers video on this exact scenario

[@anthonypemberton2252]

I've got a Honda 200gx that is sitting still on a murray exsplorer 1 seater pretty sweet I've been able to modify body from scrap and stuff but need clutch or front pulley of torque converter system what it has is half the big one I have no money so I been waiting for someone to trade or win one I am Tony p. And I've watched them all

[@troubledwarrior5755]

My clutch won’t engage, and at full throttle, it engages slightly, what do I do?

[@DirtGearTv]

Could it have gotten grease or oil in it? Sounds like contamination. If no contamination can try a softer spring to engauge at lower RPM

[@troubledwarrior5755]

@@DirtGearTv thanks for the feedback, I have a ct200u ex, and I’m getting an 18 tooth clutch with a 50 tooth rear sprocket, at 4500-5000 rpm, with 19 inch tall tires, how fast will that go?

[@Deucealive75]

@@troubledwarrior5755 There's no way that gearing is going to work.

[@domdegood5376]

If the clutch has no spring it works better.