125 HP "Monster Killer" Go Kart Build! | 670cc 2 Stroke Snowmobile Engine on a Race Kart

We're using a 2 stroke 670cc snowmobile engine from a mid 1990s Arctic Cat on a go kart! This 2 stroke snowmobile go kart will make around 110-125 horsepower with a CVT style transmission. This Monster Killer go kart has potential to bring down the mighty Ducarti, our 900cc Ducati Monster powered go kart.
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[@JunkyardDigs]

"This [2 stroke] should be a little more predictable..." You southern boys are in for a surprise having never ridden snowmobiles before 😂

[@lonewolfworks]

I concur. "Well, hello power band...there you are." 🤣

[@mekanism8364]

We’ve got 2 stroke dirt bikes and 4 wheelers like the banshee

[@JunkyardDigs]

@@mekanism8364 2 stroke snowmobiles are a different beast

[@inmyopinion6836]

BAaaaaaaaHAHAhahahahahaha Ever hear of a "Power Band" ??? Think 1974 Kawasaki 750 2 stroke . OMG what a slingshot when it hit 6 grand -----------------------------------------++++++++ ! ! ! ! !

[@Sackmatters]

@@JunkyardDigs Ehh. I ditched 2 stroke sleds for the longest time and 4 strokes delivery cannot be matched. Had to go back to 2 strokes due to shoulder and back problems.

[@TwoIdiots_1]

"using it'll be fine math" *PERFECT*

[@ps1983]

Thats a shirt lol

[@samclark6573]

Only math there should be!

[@bobadam7021]

I feel like Issac's been having an "I'm getting too old for this shit" moment. Enter Payton. "We're gonna need another intern!"

[@benschwartzman9877]

Two words: coffin dragster. PLEASE Make it happen

[@jimmiebowman4573]

"Hold my beer " moment is what I'm seeing

[@Strawman20]

That is a perfect name for this build.

[@ihavecrabs6765]

I’ve been waiting for the bomb-a-deer cart for so long!!

[@derpydog1008]

Bomba oh dear.

[@inmyopinion6836]

Poor deer

[@sled_neckx9972]

Yessss! You are using the ROTAX! Keep in mind it is not an Arctic Cat, but rather a Bombardier or more specifically Ski-Doo.

[@roddy6924]

This engine is in my driveway right now. Probably will install to my Murray Speedway Kart lol Hell yeah

[@sled_neckx9972]

@@roddy6924 nice. I have one in my snowmobile that has electric start.

[@darylbuckner5596]

If it has flat top pistons (depends year) then they are 30 more horse. Does the head have an X stamped on it? In between the plugs. If so it’s a X Rotax 670 HO

[@roddy6924]

@@darylbuckner5596 Mine is a Rotax 600, from a 'Summit' sled... no 'X', but that's no worries.

[@roddy6924]

@@sled_neckx9972 Mine is from a Ski-Doo Summit 600. even have all the wiring, computer, tach, pretty much everything except the tunnel and track from the original sled. Probably has electric start as well, i haven't really given it any serious thought until today honestly. I'm considering setting up something to use the skis on the kart for winter. Plus, I've studded up some tires, and on more or less plowed roads, she'll do fine in the snow. I might even use the fuel tank from the sled as well, might have to adjust the location of the steering column bracket though. Do you know of a link to a factory service manual? I wanna do this right. Thankyou

[@3v068]

"It'll be fine math." I am forever going to use that term now.

[@Sithhy]

Oh my... been waiting for you guys to do something with the 2-strokes

[@meesvankemenade1592]

Finally more 2-stroke stuff 🥰🥰

[@dustinweatherby5518]

If anyone needs a coffin on deck is these guys, they are hella wild

[@richgwozdz8580]

🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣. 🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣. 🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣.

[@CarsandCameras]

Ike has two

[@elihartlage5789]

😂😂😂😂😂😂😂😂😂😂😂😂

[@wjpreslar]

@@CarsandCameras that's a good friend you've got there. Keeping an extra around just in case you need one too.

[@leoboy191]

Gotta be prepared 🤷🥱

[@heathroush5343]

Y'all have lost your minds, but that's why we're here.

[@GordonPrice]

100% lost your minds and I love it.

[@CarsandCameras]

This beast needs a name! Comment what you think we should name this beast!

[@alexb4090]

Name it beast

[@kolbypeschon2697]

Slayer

[@alexb4090]

You should

[@paytonhurst7342]

Bomb-a-deer

[@ihavecrabs6765]

Bomb-a-deer

[@skinnyswheelz5330]

I am locked in till the end on this build!

[@JeffMOA]

Built many 670’s and Raced Many.. You guys are in for a surprise and a lot of giggles 👍. Love what you guys Do! Be safe

[@vrmn11]

That's going to be a blast. 2 words. Helmet and leather

[@garageofscrap]

Gloves, neck brace, ambulance nearby, and a bed saved in a nearby ICU would also be a good idea. This is going to be a fun project to watch

[@jamesbryant7355]

5 point Harness

[@topkek7003]

@@jamesbryant7355 safer to be ejected than crumple in between a metal frame

[@garageguy5174]

Cvt is going to be way worse!! You can also need to build a ginormous clutch guard!! You can also tune the primary clutch so it engages in different rpms, I know a lot about this sleds!! Great vids!!

[@pathenderson3470]

...and very little about English.

[@garageguy5174]

@@pathenderson3470 what are you trying to do?

[@hardybros1104]

Heck ya!! I am starting a 40HP snowmobile go kart engine swap of my own soon and you guys have gotten me really excited! Thanks a lot!

[@Ieatpeople2]

At least the Ducarti still carries some of its heritage. and by that, i mean it breaks every time you ride it. (ba-dum tss) The BomKartier (pls name it this) is gonna be lethal!

[@TangoOne]

I'm calling it now: that casket is for a Halloween special go-cart build

[@jonlawrence6338]

Or the test driver lol

[@ancientfilm]

Love everything you guys post. You two seem like some really great guys to hang out with and have some fun. Thanks for the quality entertainment I can enjoy even with my mom... PS, she thinks you're both adorable 😂🤣

[@uncrustable9923]

this ur first time watching c&c?

[@ancientfilm]

@@uncrustable9923 I've been watching for a couple of weeks now! We happened across the 3 wheeler competition vid where John skittered across the line on his butt. I have a Honda trx125, so they came up in my feed.

[@uncrustable9923]

@@ancientfilm nice

[@tonka8080]

Ike is sitting on a gold mine with all the classic cars chilling around there

[@mbi2004]

I was just watching the video of the unpacking of the 670cc and now this just thanks for your job buds

[@Madaboutminifigs]

Man the quality of the videos just keep getting better and better!

[@H3adcrash]

Remember you might need heavier torque converter weights if the kart is considerably lighter than the snowmobile.

[@cavin24v]

This channel has the best comment section I swear.

[@calebwilliams2369]

Can't wait to see more of this!!!

[@mitchellfrechmann599]

Ive never gotten to a C&C video so soon! Yall should have put the BOMBARDIER on the WAVERUNNER!!!!

[@michaellarsen3596]

John did say he wanted more horses in the waverunner lol

[@theworstgamervr]

Thats not a horrible idea in theory but makin it adapt to the jetski might be really difficult if not impossible, lot of those old jet ski you find a wrecked one of the same model year range with the bigger motor, it will just bolt right in to your jetski that has smaller motor

[@Hitycooking]

kzbin.info/www/bejne/ZoiWooenhbtoocme

[@justinmoore8097]

There already have a seadoo bombardier 1995

[@dylanzrim3635]

@@justinmoore8097 that’s ikes

[@arlocaines6056]

I put 140 hp rotary on a yard cart you can probably imagine how well that went

[@Mech87a]

After having a blast, you learned the joy of highpower to low weight, so you threw two 500 hp engines in a toyota yaris, after having another blast you are now typing with your tongue while lying in a hospital bed, How close did i get?

[@arlocaines6056]

@@Mech87a so far no serious injuries I’ve only broken it 80 times mostly because I like taking on jumps and racing my friends in cars because that’s a good idea I keep breaking chains I’m thinking about switching to a drive belt

[@Evilslayer73]

Bombar deer!!!!!!! Joseph Armand Bombardier im proud of this Actonvale inventor from Québec province:) cheers from Montreal Guys!

[@shua242]

You're going to be surprised on just how snappy that motor is my 670 makes my sled stand track everytime...

[@richardbrooks5782]

Yes yes yes I’ve been waiting

[@TickenLifters]

Never knew arctic cat made a mach 1 lmao these southerners crack me up lol 😂

[@jeremymccord1154]

did you know there is a ski-do Mach 2 900cc snowmobile

[@boydlakecrew772]

@@jeremymccord1154 mach z

[@brandonk7593]

@@jeremymccord1154 No.

[@rickorourke25]

@@boydlakecrew772 depending on the year probably, my 95 formula mach z was only a 617cc

[@chuckhixson2725]

Awesome, now this one's looking like the best yet..

[@JadeJJohnson98]

Hurry get that other video upppp !!! Lol can't wait

[@nedflanders7652]

YEEEEHAWWW NEIGHBORINOOOOs

[@redchris97]

It feels like I'm wearing nothing at all!🤣

[@Hitycooking]

kzbin.info/www/bejne/ZoiWooenhbtoocmW

[@ashtintullos7570]

I heard drag mower and I started freaking out. Can't wait for it to come back

[@garageofscrap]

Same. I’m hoping the put the old trophy truck gear box on it

[@Hitycooking]

kzbin.info/www/bejne/ZoiWooenhbtoocmdppt

[@jesseclaytonjr3743]

5 point harness and roll bars. Probably a must on this project. For testing purposes ya know

[@carlreed3571]

It's about time someone stepped up to the plate,,,,,way to go

[@picklenickle3421]

Now this is more power. As Tim Taylor would say.

[@Hitycooking]

kzbin.info/www/bejne/ZoiWooenhbtoocmd

[@nickjahraus9780]

Within a few seconds I was "Is that a damn casket?" And then the camera zooms!! ZWTH??

[@ghomerhust]

yeah Ike's had an actual casket in the back there for a while

[@hillman65yahoo]

I see 2 caskets.

[@johnconnell1424]

Living on the wild side 😎 love all your builds !!!!!!!

[@leesuschrist]

I can't wait to see this run. A 670 2 stroke is no joke, this thing will be scary fast.

[@81moldy6]

Skidoo mach 1**

[@frankrowland63]

The way you kept looking at that coffin I assume it's a death trap.

[@Hitycooking]

kzbin.info/www/bejne/ZoiWooenhbtoocmi

[@JETHO321]

@@Hitycooking Stop spamming the comment section with your stupid video. Just makes us definitely not want to watch it now.

[@mudslinger2509]

Mean green is a great name for this project

[@TREADMARK]

you guys are like the tim allen of go carts 😂

[@slimjim119]

That ride is going to be sweet when they learn how to handle the power a driveability

[@tysliga607]

I can’t be the only one that is bothered by the fact they said Arctic cat Mach 1 😂

[@rvsteve583]

yes, that causes me great duress, because i own 3 ski doo's 2 are mach 1's. they are 700 cc triple triple's

[@warystorm9018]

I am too

[@ExploreUnderground]

Uh.. they used to use 670s on Mach 1s.. they aren't all 700 triples. But they sure as fuck aren't Arctic Cats

[@waynegouin939]

Rotax Power!

[@chevy6794]

What an insult to bombers.

[@btsandhovel5381]

day 1 of asking about the next mini mayhem =)

Awesome stuff! Can't wait until it's done 😎

[@rickysechrest8193]

Love the idea, Paton can't wait to see the future ideas and builds. Good luck guys. Can't wait to see the progress.

[@nothingtoseehere4026]

Throttle discipline, not throttle limiting. Come on and guys.

[@Thegolfclub505]

Use me as an “Isaac for president” button

[@Benacuna-uh9mi]

I’ve been waiting for this build to happen I love it

[@93jake81]

that “bombadeer!!” cracks me up every time 😂😂

[@jaggersprice]

Mr Issac's look at the end priceless ! thumbs up carsandcameras !

[@civiceggable]

i'm glad you put it on that cart, you are right it will be easy to drive. people are thinking you go full throttle all the time. it will definitely be controllable. but also it will haul a*s when you hammer the throttle down.

[@Buck1954]

Quite a few of us southern boys have experienced 2-stroke street bikes of the 60' and 70's eras. 2-5 gears weren't really needed to scare the crap outa us. I soft touched a shifter without letting loose of the throttle between 4 & 5 on a 750 and hit the power band and 5th at the same time. Front tire didn't touch pavement for some time. Never rode it again. Maybe taking the transmission out of it will help, but the powerband is yet to be determined. Better buy some brown pants boys.

[@richardmusgrave5121]

Can’t wait to see the thing drive

[@Partnerthedog]

Can't wait to see it finished

[@scottmarchmont2701]

Love to see more on this go kart like the name too

[@LoachClown]

Was nice talkin to y’all on the phone the other day, this thing looks like a lot of fun

[@nelliejones1]

Right there with ya Junkyard digs. Minnesota boy here. she's gonna pull at all times.

[@paytonhurst7342]

Like the casket shots 😂

[@gmfb33024]

That thing will be unstoppable

[@williammayeslll7616]

Sick unit

[@tomelliott3893]

I love it! Get it done!

[@Benzmann1]

Had a snowmobile with the rotax 670, it`s surely a ripper! Kept up with the big boys just fine.

[@georgecosta9935]

It will be fine math!!! Love these guys😜

[@felixparvais970]

This is nuts

[@mriippa]

finaly a 2 stroke... im lovin it

[@btmnwhitworth6753]

Can't wait to see the finished results😁 that thang is gon be naaarrsty!!🤘

[@BustedKnucklesBuildsTexas]

That thing is going to be one fun ride !

[@madmadmatt3908]

I'm liking crazy......keep doing what y'all do. Just keep it safe.

[@hellzsniperII]

I still say you should build a rear mounted drag rail and that engine would be perfect !!!!!

[@jamesmartin9997]

Great idea, looks and sound (idea) scary as hell.

[@zachfinnie288]

I can't wait to see how this works out! 🤘😈

[@erikochmyself]

that is a fantastic engine, bullet proof

[@JohnHill-jm7tm]

This Old Man always enjoying your videos. Looking forward to seeing how you work this out. 🛵😎💝💝

[@thatsweaterguy9830]

You in a Canadian treat 🇨🇦

[@2000freefuel]

I now so want to see a snow mobile engine in a VW Beatle!

[@bobadam7021]

How about a Triumph, Grind Hard Plumbing did one. A supercharged monster.

[@bronson_futurelegend4626]

Just wanna let you guys know that your videos are some of the best out there keep it up!!!!!!!

[@chevyguy5525]

When that thing hits the power band, eyes will go WIDE

[@BradRange]

Green and purple and absolutely insane. I christen this cart “The Joker”

[@fade2black510]

A well built clutch guard is in order here is all i have to say .

[@looshskadoosh2369]

Im so exited to see this build guys! i have a 700 summit skidoo with a 670 under the hood and those motors have some ridiculous power! I did a 5 second pull on a lake and i got it up to 75 mph so good luck and please be careful with this project, that motor has a lot of horses in it.

[@roddy6924]

Thanks guys lol I actually have this engine in my driveway right now, planning to install to a Murray Speedway Kart lol I live in Canada, I know what these engines do. Luckily I have abandoned highways to ride on. My Murray is an offroad kart, but I only use it on pavement. With a Honda gx160 i get about 65kph right now, I'll step up to a 10hp no-name i got running first, then I plan on the Honda igx800 ($2500cdn). I'll be trying this. BTW my old 1960 Willys Wagon (CJ2-A) with a straight 6 only made 105hp new.

[@sandmanbub]

"Safety first, for once" says the man as he grabs the brim of his SEND IT hat lolol!

[@landonunboxing8135]

U guys are insane in a good way! I am excited to see how this project goes and I wish you guys good luck!

[@ervingoertzen7233]

Can’t wait to see the drag rail back in action

[@ryanschanfish279]

another badass build. and not one but 2 coffins in the background

[@dallasgibson7578]

This things gonna be INSANE

[@jamierushing8811]

Hi y’all from west Alabama love y’all show

[@n4pwx]

This is going to be Scary. I can`t wait.

[@beakerunrefined4230]

You guys need to build the most badass clutch guard you've ever built. When those belts and or clutches fail, it is very violent. I would look into high pressure air tanks or something similar that would wrap around the end of that clutch. The factory guard is not stout enough for my taste where your arm is basically resting right on top of it. When it's under the hood there is a little distance between you and the action.

[@drewscreations8551]

Love the idea!

[@itisthewayshegoestv162]

Really good engine used for many years. The primary clutch is adjustable with the little bolts. You can modify the rotary valve to get more power and should probably get the 440 mixed oil kit for the race sled. I had a 94 #canada

[@PyroModder85]

Put that snow mobile engine in that casket!!! Call it the Munster Dragster!

[@buddyro850]

Love it ready to see it rip