FIRST RIDE | 20HP Big Valve Predator 212cc
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- Опубліковано 19 чер 2018
- Last week, we took a stock 6.5 horsepower Predator 212cc hemi engine and modified it extensively with a 24mm flat slide Mikuni carburetor, oversized valves, a big cam, an elongated rod, and more to make 20 horsepower at up to 9,000 RPM.
Today, we're taking it for a ride on the American Express 2.0 chassis with both a cheap centrifugal clutch, and the expensive 3 disc 6 spring adjustable racing clutch. Needless to say, this Predator 212 is very very powerful. We're hoping this will get our Delorean back to the future inspired go kart build to 88mph!
Thanks for Watching!
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Cheap clutch: goo.gl/NHkf5W
Racing clutch: goo.gl/5S6EwV
Go Kart Kit Frame: goo.gl/7NuZ6Z
Go Kart Complete Kit: goo.gl/5TQvzy
24mm flat slide carb: goo.gl/x4svWC
26lb Valve Springs: goo.gl/AN7uof
Billet rod (+0.20): goo.gl/pmktKK
Bronze valve guides: goo.gl/atQ234
28.5mm intake valve: goo.gl/n9rzsS
25mm exhaust valve: goo.gl/hk3p4N
Valve retainers: goo.gl/4fAmmi
.274 lift cam (hemi): goo.gl/NdKkyf
Billet flywheel (hemi): goo.gl/twjzMM
Go Power Sports: bit.ly/3QKyODE
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Equipment we use: www.amazon.com...
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Bring the stall speed of that clutch higher up in the rpm range and it will leave even harder with less clutch slippage. Like a rocket!
How you change stall speed in those types of clutches?
@@oxyjohn3051 in the primary clutch there are weights or rollers that can be swapped for heavier or lighter ones. That changes the speed in which centrifugal force acts on them. Also. The secondary clutch has a resistance spring that can be changed for heavier or lighter. That changes the speed in which the primary clutch can act upon it/or force the belt down into the sheaves creating a smaller driven pulley.
They sell max torque clutches..that max at 3,000 rpm instead of 2,000 rpms
@@oxyjohn3051 John in those cheapest budget centrifugal clutches like the showed you swap out the springs holding the clutch pads in for heavier ones, I don't know where you by the heavier tension springs from though .Try Amazon or hardware Store.Trev NZ Goodluck
Or you can do what I did with my 79cc and move the clutch to the transmission shaft that comes with the kits and connect them with two identical sprockets to start. I did this because I needed to have an alternator turned by the crankshaft, and there simply wasn't enough space for the pulley and clutch, and I wasn't going to spend MORE money on a pulley clutch and the jackshaft pulley to use my gears. I'll post a video when I get the bike running again.
7:38 Rooster lurking in the shadows waiting for Ike to let his guard down.
Two Wheel Workshop 😂😂😂
Funny you should state that.- it didn't go unnoticed to those that lurk.
Now that looks like a blast! All power, no traction! Love the Cars and Camera's "test track". Thanks for another great video gentlemen.
I love the race-talk
"You gotta remember this is like our warm-up lap"
My Dad and I do the same thing at autocross.
This thing MOVES!
CarsandCameras true
Vrooommmm vrrroooooooommmmmm
CarsandCameras that is true
Hey Ike n John u guys r awesome!!!! I wish I had a gokart or minibike.
CarsandCameras, can you guys start making more videos per week? They’re so good that I need more!
Man that thing rips don’t hurt yourselves
they'll be *FINE*
😐😐😐
Gone wrong
@@ise_cube6658 Famous last words (before ED)
@@Ansowhat ???
I must say, I've never been into go karts much as I am a quad bike enthusiast, but since I've been watching your channel I have gotten the bug. I have a spare Yamaha Blaster motor which I am definitely going to be putting into a home built cart 1 of these days. Thanks for your awesome channel, insights and enthusiasm. Peter from South Africa
This is the CLEANEST BUILD you guys have done. Great job
Carson Farmer thanks
That cart on those slicks in that yard looks SKETCHY! If that wasn't enough, at night with the performance clutch??!! Sounds like a Ducati dry clutch.
Its because its a dry disk clutch... Thats why
MacJunior696
No kidding? You don't say. Just because its dry doesn't mean it will sound like a Ducati. HD dry clutches sure don't.
Salty guy....
MacJunior696
It wasn't a question, just an observation.
It's kinda cringey to me also to see them run around the yard on slicks and 2 inches of clearance. The chassis may not be strong enough to take all the flex for too long. My racing chassis cracked just from normal track days. If I took it in that yard it would last 2 minutes.
You guys are fun, right up my alley from the old days im (54) I'm still waiting for a perfect idle/ idle speed/ and throttle response which would give you the low speed controllability and part throttle perfection. Geezer guys they're engines ..ever hear of warming them up more??? Come on strive for perfection!!!!
Freakin Sweet!! Well done guys, and as always, thanks for sharing it with us!
I'd like to share one thing if I may, regarding clutches... I've built and messed around with a lot of these motors... A few years ago, I put together a really "hopped up" clone for a drag racing mini bike and I couldn't afford one of those "fancy" several hundred dollar clutches, but really needed a higher rpm engagement (stall)...
What I did was, took apart a "regular" $25 Max Torque clutch (removed snap ring & pulled the bell off)... Then, I took off the spring that goes around the shoes, cut about a half inch off of it, and put it back together... Basically, the idea is to increase the amount of spring tension in order to raise the required rpm for the weight of the shoes to overcome it and engage with the bell ...
I did this a couple of times, cutting a bit more off the spring each time until I was at the rpm where I wanted it to engage... IMPORTANT ---> It's better to cut off a small amount at a time and re-test, because if you cut too much, there's no going back without having to get a new spring...
PS - I want to be perfectly clear, that this clutch modification is NOT equal to the performance, quality, and longevity of one of those racing clutches... But it works pretty damn good on something you're not intending to use for actual sanctioned competition, and is for people that just enjoy playing with this stuff (and/or racing with a few friends every once in a while) and don't want to spend a ton of money to do it...
Hope this may help some people out there
BS Billy theory is right but those springs are as hard as nails, I've got 2 of those budget clutches.No way could you nibble away at the OEM springs - I've tried. Their hardened spring steel ! Trev NZ cheers
It would be cool to see a performance test of the race clutch vs torque converter to see if the price is worth it
Your my favorite youtuber because you explain things and show how to do it
@12:21 Safety glasses! *glasses sitting on table*
Chevelle overheats. Ike romps on it. Love it! Keep up the good work guys.
Awesome guy’s I have a 420cc I’m going to rebuild for my mule never done this so just watching all the videos I can to get some knowledge thanks for letting enjoy your videos for my project thanks
You are now in the realm of having to work on suspension.
gauntlet for days
u aint kiddin-over 40 id say itd b nice
Car Valvesprings in the front kingpins... you'll get a bit of bump steer though.been there,done that.Cheers Trev NZ
Thank God I found you!! I was wallowing (and enjoying) random videos. I was seeing nothing newer than a few years ago. I came to my senses and searched and found you guys are still active. Phew! I was scared, I thought maybe one or both of you perished in a massive pileup at the go kart track! Not really. I am glad you are still going. Keep it up. You're as good or better than Tim and Al. Really.
Yes, I am old. Love your work, delivery, abilities and the chemistry of the whole "thing".
You can get a split key to advance your timing. Awesome fun though!!!
I used to work at a race track in Columbiana AL that used clones of these on the rental carts. I would put a racing rod and piston in, remove the governor, rejet the carb, advance the timing and change the box exhaust out for a header.
They would run for about a month before puking the rod.
Such good times!
I think it is cool. I think you need wider tires up front and to place the steering in front as well. Thanks for the video guys.
I just swa this video for the first time, i know ifs 2 years old dame its fast, very fast. Cool ride guys. I almost had to have the crazy smile i had on my face after watching. I'm an old man and i would drive the hell out of that cool vehicle. Excellent built. I hope ya all have more like that coming. Keep it up guys.
I really like the new clutch!
Get the steering fixed up and see what kind of top speed and 1/8 mile speed it will do.
Nice build! Great Video!!
Interesting, I thought it (disc clutch) would hook up more abruptly, then again you just got it on there, I know you can adjust the stall and all that. Should be fast, I suspect that wobble/twitchyness is just either a steering adjustment (maybe move the rod ends closer to the center of the steering shaft for less input) or caster/camber you guys know the drill though, good luck with it!
Wow that Clutch is Gorgeous..! It's Really Comin' Together Boy's, Love it..!
But I'd of liked to have seen The Flux Capacitor in Action..!
I think this just might be my favorite build. Well done guys!
Man just discovered these videos. I am hype !!reminds me of how much fun me and my cousin had with our carts and uncle tuning them!!!!
COOL, COOL, COOL. I LEARN SOMETHING EVERY VIDEO. 👍🇺🇸👍🇺🇸👍🇺🇸
That engine sounds great.
Mini Bike Addict216 best sounding motor these guys have! (Not counting the cars of course)
@@TerraRoot I could make it sound better : Headers and mufflers used to be 1 of my export (to the UK) business's until I had a life threatening stroke at 57 & resigned to a wheelchair,can't ride my Bikes etc & spent 5 months in hospital, I should be dead.Trev NZ
Love these built engines. The exhaust have a special tat tat tat tone to them that I can't explain.
idk but i jus wanna see a 420cc setup like the 212cc. & maybe see it run 90mph,...
Is that a possibility with that type engine, racing clutches, etc,.. etc,..
THE first run on the cart looked and sounded its the making of a mini BEAST!!!! i thought poor ole Jon abouta shyott the bed ridin that one,!!! lmao... good episode fellas...
Can not wait for you guys to test that clutch during the day!!!
Hey guys!! Nice kart! Coming from my karting experience for 10 years strait! The only suggestion I would make is to put an "outerwear" cover on that air filter! Also that clutch is mostly for racing lol but hey whay ever works! May burn some pads tho!!
I think with the longer rod and thinner head gasket you have increased the compression.
The fingers on the clurch go out as it spins. The lighter the fingers the high the rpm at the hit. Heavier fingers pull the motor down in rom engaging the clutch sooner and harder.
Great job fellows.
I wish I could find a group of guys like you all. You both seem to have a blast with all your builds (especially Ike). I’ll be using this setup on my first build
That looks like fun. Never got to do this when I was younger. Love it guys, and you are having fun. Be safe and keep sharing.
I can't believe how well this channel has grown. I think you guys had about 5k subs when I started watching. You guys should be really proud of what you created here!
John is a madman. Alllllmost beat best time.
Ike is smoother, but weighs a lot more. (John, jog)
You 2 have a monster on yer hands there.
Put some treads on the rear and try the C&C Rally again.
that $200 clutch did friggin kick ass.. nice comparison.
The zero caster/camber built into that frame causes the twitch/steering control probs.
Let's see speed, slick's, on grass.What could go wrong? With that power It will be fine.Great video!
It's badass. I love the way it sounds.
That go kart lookes like a beast and lookes really fast be safe on it dont get hurt
Really cool build guys!! Im excited to see it go 88 mph
That thing looks and sounds awesome!
You guys are my hero’s
I love this channel… I haven’t stopped watching since I found it…😂
20hp and that light. Prolly pretty damn fun!
Kongrats guys. Now a proper klutch u guys can really dial in the some good mph .. 88 shouldnt be a problem at all.. plz hook up a steering dampner thats adjustable..
I love that lumpy sound of the little hot predator
"Good thing I got the camo on...Cruz it's going to blend in...." lol
Id love to spend a day helping you guys and leanring a little bit. I have a coleman mini bike with 212 hemi and i still have the governor in it and im getting about 45 mph top speed and im 260lbs. I already had it doing 38 with no bought mods. Now i have a stage 1 kit on it and barely noticed a gain over what i already had done. I drilled my main jet and now it pops and doesnt like full throttle. I got everything to remove the governor gear but im not sure if i should wait for a better flywheel or not. I enjoy watching you guys
300 dollar clutch ouch boys haha good video guys love the channel thanks for the fun filled Monday’s and Wednesday’s !
Dave , that's what you pay for a good street & strip sheifer !
Yalls are the best at making UA-cam videos. Keep it up dudes!
Wind drag, turbulence and movement .. things change at higher speeds.
After noticing the size of your canoes *(lots of turbulence)* @ 14:06, you're going to need a some type of nose cone or aerodynamics if you plan on the speeds you're shooting for.
That's probably some of the steering problems that you've already experienced .. *_Safety first guys!_*
The tyres will need to be correctly balanced too. They shake like a MF if they're even slightly out on a full sized race track.
crashing at that speed hurts a lot too. Done that.
Lmao bla bla stick to the keyboard Mister Pokemon......
That clutch is gonna make that back to the future cart stupid fast. I bet it’s gonna be faster then 88 mph boys. Great vid guys
D3mon 223 yea i have the same engine but mine has 6.5 hp and my kart has a top speed of 60mph
Those 212cc engines are really fast.I have the same engine and it’s faster than a 420cc.keep up the great work guys.
Building a 212 for my manco dingo. Also doing a custom front independent suspension system and using a 6 speed peerles transaxle from a riding mower with aftermarket gears. I plan on making about 20ish hp. No rear suspension. Its a 2 seater cart but im moving th steering wheel to the middle to be a wide oneseater. My plan is to paint the frame red and the rims white and make it a small shifter version of the honda oddesy go kart/buggy.
That looks like a lot of fun, apart from the slipping on the lawn, and the steering
WOW that thing hooks up now! :)
That twitchy problem. Try taking the springs off the spindles, replace them with spacers. The travel is causing bump steer, the tie rods are moving the steering due to the angles changing in relation to the travel.
Use a BULLY clutch i use them for dirt trace racing and I’m 11-3 this season 🤷🏻♂️
Great job fellas. If you ever get back on the water, I would love to see this motor on a swamp runner kit on a small jon boat!
im saying put some turf tires on it. run it just two laps. dont tear the yard up to much.
Thought I was subscribed but turns out that was a lie . Now I’m subscribed and is well worth the knowledge these guys give us for free !!
Ya'll should put a Mr. Fusion on the gas cap so you put the fuel in through it
Use a brass brake line and fitting for the vent case you'll be able to bend it low enough to squeeze under the tank
Milwaukee rechargeable head lamp part# 2111-21 is unbeatable for light performance you need to invest it one it'll fit the helmet easily.Best headlamp I've ever purchased for work and I've bought a bunch
gsppuffer they'd be better off mounting a single RigidIndustries D2 and a lithium atv battery. The whole combination could be had for
I'd love to see more on that Chevelle
You guys are maniacs...
I love it!
That was mouthwaterin lip-smacking delicious, dag that lil 212 sounds so strong!
Might wanna fab up a brace for the exhaust
I love it it's totally awesome you guys are doing a great job I personally raced alcohol drag bikes for about 10 years actually sand drag bikes but now my brothers are building drag mini bikes and something with more power and it just to mess around with and it got some pretty good power have a little fun without getting into too much trouble good job you guys are awesome
You really need to invest in Tiny Tachs. For $20 bucks you can buy a knock-off from amazon. Super easy install....2 wires, and it will tell ya your revs and also keep track of hours put on motor. I find the hour meter works great for setting up maintenance schedules :-) I run a Tiny Tach on the Mini bike and I love it! super handy
That clutch is BEAUTIFUL
Hi dude's I'm from England and just spent the day watching you awesome video's, fantastic engineering, keep up the great work can't wait to see more, your absolute legends 👍👍👍👍👍
Mark Thorp thanks. I hope we dont let you down
Isaac it'll be fine, not a chance dude the lad's over here think your legends and so entertaining, I'm a engineer by trade, and have built some contraptions before, but you guy's are amazing keep up the content, it'll be fine lol 👍👍👍👍👍
Man you guys take some crazy chances. Reminds me of my wild younger days.
Dude awesome! I would love to get the build list and a very in depth tutorial so I can put this on my professional racing kart! Please get back if you can!
that flux capacitor is super cool, and damn if that new racing clutch isnt badass! engine sounds incredibly mean
Can't wait to see the speed run down that sketchy road
dan daves there's got to be a track of some sort the could use rather than using that road.
7:44 Doom Chicken is watching you.
You guys are dorks...and I totally relate. Thanks for the videos keep um coming...it will be fine testing purpose only
A regular personalized wish list of parts. Wish I had daddyz backyard and "corporate sponsored parts"..
Wow another key board warrior whos to lazy to work for anything in life so they try to suck the happieness from others... You could have nice things to if u applied your self all im sayin
@@that_sicksix1719 actually I got a modified 305 CC overhead valve Briggs with 3rd bearing support bearing Horseman rod with Billet cam Billet flywheel custom head with oversized valves via Clint Board racing Mikuni fuel pump Mikuni jet ski carb set to run methanol. It's trick offset chassis. My brother's is a coyote free roller with a similar engine build then we run them exclusively on ice. When there is ice. This year was a wash. Didn't get cold enough in Michigan to make the Lower Lakes safe. And I do apologize my Green Envy got the best of me. Yeah a 25 horsepower 4 stroke does not compared with your toys but I tell you what their one hell of a blast when you got three or four of them built up with cold cutter racing screws. On a big oval of ice. Keep building I'll keep watching. And as far as working for my living I do it everyday even during this pandemic. I drive for UPS for last 25 years my dad my brother and my Buddy's all have carts and we love it when it gets cold. My dad lives on a lake in southeast Michigan. nothing like the sound of 305cc overhead valve revving at 8200 RPM. Direct drive 3 inches off the ice. And just as close to the guy in front and or the guy behind. And by the way I'm 53 and my brother is 49 and my dad 75. "We're not out to show we're out to go" that was something my dad taught us when we were teenagers running studded dirt bikes around Bull Ring oval on that big ass Lake. Well it used to be a big ass Lake in our Minds when we were kids ,have fun but always be safe
@@that_sicksix1719 Mike J made a couple of pertinent points,why react so strongly & personally.Did he touch a raw nerve ?.Trev NZ
That thing is wicked, stoked gotta build one now!.... Hahahahahaha
I'm currently restoring an old soviet motorcycle and retrofitting a Predator 420 with a Comet 40 using your videos for when I need help. One of these days I plan on doing a cross country ride on it and I'll try to contact you guys to see if I can drop by and let you try it out
Awesome build. Man that would be cool if you guys put down some asphalt to make a race track around your property
That clutch looks so nice
I would like a video tour of all Ike's buildings and neat stuff.
O my does it sound amazing or what! Brrrrrrap!
I love watching your videos. You guys look like you're having insane amounts of fun!
Great power outa that little engine
Another great one guys!!
Great video as always gents!
Adjust the spring heights on the 3 disk clutch, you can hear it chattering due to uneven engagement. they need reset after first heat cycle.
While racing karts for a few years I found steering wheel diameter changed handling a lot Took good chunk of time out of a lap. Though would not all ways meet tech specs. Just a thought
That was so funny on the first gran prix run. That thing was so fast across the driveway, it actually looked like you sped the frame rate up. Lmao
Y'all need to get a Manual 3 disc clutch like on Red Beard's Garage
That is a thing of beauty. OMG that motor !!!
crankysports i have the same engine on my kart and dang that moter sounds like a beauty, but since i live in a neighborhood i still rip that thing like no tommarow
That was awesome
Cut the springs inside the centrifugal clutch so it engages at a higher RPM. I did this and got a bit carried away. launches at 4-5k RPM
i feel like the basic clutch kicked in at lower rpm's. which makes it so you have more power and less slipping when starting... unless thats not whats wanted.
Looks like a lot of fun guys keep it safe.