We Found 3 Kawasaki KX80s in BOXES | Can they Run & Ride Again?
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- Опубликовано: 4 сен 2022
- We bought three legendary 2 stroke Kawasaki KX80 dirt bikes. These 2 stroke dirt bikes were designed for teenage motocross riders, and they still pack a punch! The 80cc 2 stroke 5 speed engines give the KX80 a top speed of 75 miles per hour. I bought three of these bikes for $1000, but they are all in pieces! Today we figure out if we can put one together and ride!
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I grew up on KX-80s. I still think they might be the most fun all around dirt bike for general around the home / shop ripping around for fun. It's plenty powerful and fast and the bigger bikes just weigh so much and are so much larger you dno't really need all that just to rip around the yard. It's the perfect balance. We had a pw80 too that was a lot of fun. Small bikes are fun.
Could say it any better. I have a yz450, and I ride the kx85 WAY more lol it's just a fun little ripper.
@@c4or2ey02 yea I have a cbr1000rr and a grom... same story.
I ride the small bike way more..
I fell on a race pit bike and laughed my ass off after walking it off. They’re a way better risk to fun ratio imo
I'll take riding a slow bike fast all day over riding a fast bike slow.
Ripping around their yard, they should have at least a 125cc, well Ike anyways, not sure about the other two. I had a CR250 up til a few years ago and that was a fun bike but, I suppose a little CR80 would be kind fun just to mess around with.
Took you a minute to find the powerband! 👀🤣 Don't underestimate a 2smoker, but ride them gears out until it coughs and splutters. You will have a lot of fun with more engines like these!
Love the 2 stroke content. And i just have to say: it is so much fun watching you guys so excited over a tiny 80cc engine. But i see why, that old crusty 80cc engine has more power then the most over built predator type engines you guys use on everything.. I am really hoping you do a go kart build with one of those engines. You could race a stock kx 80 engine against a stock predator engine, or even a fully built predator engine and see how they stock up against each other.
I second that
@@northernstoner962 100% power to weight wise 2 stroke engines will always win. Not to mention the fun factor when the power band kicks in!
And according to my experience a 2 stroke is much more reliable I have a 250 ktm sx 2007 model that has never given me problems it always starts on demand even if it sat more than a year. I cant say the same of my 100cc crf honda that is a 2012 model, that bike has always been a struggle to get going if I didnt take it for a ride in a while.
It’s not the older engine.. like they stated it’s the engine from the newer model bike that was also in pieces because it was being used as a parts bike most likely - hence the exhaust/carb clearance issues that’s probably main reason for all the random stuff cut off of it by the previous owner/seller to make the newer 80cc engine fit into the old style frame… The older 80cc engine that came in it originally was probably clapped out or blown up a long long time ago & if still around would most Likely needed to be rebuilt so they just bought a donor 80cc or two for extra parts that way they could save money & have one older looking model frame/plastics with a newer engine with more availability parts wise lots of people do this now a days the parts market is brutal or all cheaply made Chinese crap 💩 …
True, 80 cc 2 stroke makes some good power
As soon as I seen the silver kx frame and the plastics for it I called it was 87. I had one when I was a kid that was passed down from my brother. The really awesome thing about the 87's was kawasaki offered a 105cc big bore kit as an optional add on, mine had it and it was a ripper!!!!
My very good friend was pretty much expert on 250's, had his own track with pretty scary jumps. A kid shows up with one of these, He does a couple laps gets comfortable then does the biggest jump and broke his leg. The bike was fine though.
Nothing like the "Braaaappppp" of a two smoke dirt bike! Well done, guys! I agree with the other comments about a nice set of reed valves. Do that and get the fuel mix right, replace the clutch, and that little thing will scare the daylights out of you!
This video brings memories of fully restoring my 86 kx80 at 10-11 years old with my dad. That was my real in depth learning experience on how engines and suspension works. We did a top end, split the cases and did crank bearings and seals but it was my dads first time ever opening up a bottom end so we ended up rolling the seals at first, then we ordered the wrong size seals and realized after we had already opened it, then rolled new seals again, then we finally got it after using a press. My dad taught me how to strip, prime, and paint, we painted the frame because some guy painted it this weird blue color. We rebuilt the clutch on it and the water pump. Also cleaned up the carb and put a new intake boot. We put new handlebars, grips, levers, and kill switch. That gas tank was so old and whitened that I wet sanded the whole thing for probably around 30 hours. It got a whole new plastic kit and graphics. New tires. New seat cover. Got a whole new rear shock. We painted the whole engine semi gloss black. We rebuilt the front master cylinder. Theres probably a whole another list of things we have done. Nice video guys.
That was excellent! Watching you guys figure out a KX80 puzzle! They are silly fast, nooooo question. The funniest part may have been Isaac calling the carbs “Klein”
These guys know their stuff inside and out with go carts and mini bikes, but watching them stumble on the terminology with atvs and dirtbikes makes my brain hurt... guess we all started somewhere.
@@CTC7599 EXACTLY!! Gotta love it, they’re doing some awesome stuff and it’s a blast to watch. Maybe they’ll get some more Klein carbs too lol.
Me too! My friend made fun of me for pronouncing it ‘kee-hein’ . I feel his pain.
Dude......now let's 2stroke 250 swap one of your "yard" carts. Finally you get a 2stroke motor with a gear box.
yea it is about time. Been asking for a 2 stroke dirt bike engine build ever since they started there videos way back in John`s parents garage. It is so fun to think that the little KX 80 engine has more power then there fully built predator type engines. Even a 125 engine would be so much fun in there yard karts(but a 250 or even a 300cc 2 stroke engine in one of there karts would be AMAZING to see.
Honestly believe that would be a fun fun go goldcart too stroke with a gearbox
@@supertedogpriken A Yz 490 or Cr 500 two-stroke would be the sh*t on a yard Kart. It would pull wheelies in all the gears.
This is awesome love watching you guys fix up old dirt bikes and hondas
So cool to hear the KX come back to life!!! I believe the tiny 2 stroke makes something like 25hp..... just Nuts!!
25 horsepower seems a bit high I think they peak around 19 from what I read
This has to be the hardest ripping 80cc ever made!
They're notorious for that fact. Maybe even legendary. You can make some really kick ass go-karts out of those engines. Can't wait to see what you do with them.
🤣😂🤣😂🤣😂 Come on man
The cr85 pulls twice as hard
im sorry but a cr80 will stomp all over that kx80
You guys found a gold mine
I love those KX 80s. I had a two-stroke 80cc dirt bike engine on a small go-kart and it would burn the tires 100% of the time it was very fast. I hope to see you guys put one of those motors on one of the smaller go karts like a dingo and throw down a Time on the Grand Prix track.
Don't weld the Kicker ,you'll melt the seal. Unfortunately it looks like the Clutch side crank seal is no good ,Sucking transmission oil into crank causeing a heap smoke.
Wow that is perfect timing. Just sat down to dinner
Honestly it’d be pretty cool to see a minibike with gears 🤷♂️
That's what a lot of us think KX 80's are
Nothing like the sound of a 2 stroke engine, so satisfying, especially when the ol' power band kicks in!!! 💯 🤤
I'm partial to Suzuki RM's, but have owned a 1990 KX-80, & loved it.
Yeah the old KX 80 was pretty sweet little bike ! had a 125 to brings back great memories seeing you ride this ! great video and great job can’t wait to see it finished and what you do with the others!👍🏼🤩💪🏼
the kx65, 85 and 100 are the best small sized 2t ever made. my boys grew through them all.
I’m 27 and just bought the new kx112 to rip around on on my farm we have 120 acres I have a 125 and 250 I just seen the new 112 and wanted one to fart around on since a lot of guys my age are doing the pit bike trend lol
Lol no they’re not.
@@fastmachines500r8 oh, okay. which ones are better in the 65 and 100cc 2 stroke market?
i've owned 36 motorcycles, my sons now ride a 450 and 250. learning on all those little bikes riding dez here in socal made them very accomplished riders. but i'm sure you are much more knowledgeable than i am.
I’ve been fixing up a 1990 Kx 80 Big Wheel. 19” front and 16” rear. What an awesome way to transition to dirt biking from mountain biking.
Been watching you guys from the very begining..... for so long I feel like I know each of ya like a friend. You never disappoint...as always this episode rocks!
Been saying get a KX80 or KX125 and it would set a lap record, big wheels, suspension and plenty of power with control.
Gotta love that 2 stroke rip sound! You guys are the best✊✊ loving it, get it, waiting for thr next one. Rob from omaha💥💥💥💥
I had an 89' kx80 small wheel as my first bike when I was 12... It scared the shit out of me! The little thing ripped! And most of all, it started my obsession with MX & enduro bikes. Love your content guys! Keep on rippin'!
Was so excited to watch this video🤙 loved it. Your wide range of content is why I love this channel.
Cool beans, I found an early 80's KX80 air cooled I think 1981 on Craigslist about 15yrs ago & fixed it up with parts I found on eBay. I also got a mint condition complete spare engine on eBay sold in many small pieces by a seller on EBay. Back then some ppl would start out an auction for only a penny with no reserve. IIRC I got almost every single engine part for only a penny each because nobody else bidded on them! Of course he overcharged me a bit on shipping but what's funny is he sells a lot of motorcycle stuff on eBay & that was the last time you'll ever see him list parts for only a penny & no reserve LOL 🤪. Cool powerful little dirt bike perfect for a youngster learning how to ride. Lots of fun. Thanks for sharing... 👊
Looks like it could maybe use a set of rings as well as that clutch fixed. 2 strokes smoke pretty good but that looked a little excessive.
Bad rings DO NOT cause smoking in 2 strokes. Sometimes crank seals can go bad and let gear oil into the engine which will cause smoking. Only 4 stroke engines smoke from having bad rings, since 4 strokes have oil in the crankcase and 2 strokes do not.
Nah they just mixed the fuel wrong.😏
Considering I grew up on 2 stroke racing bikes I can say for sure excess blowby and excess exhaust smoke can certainly be caused by warn rings. If it really were the crank seal making it smoke that bad I don't think it would be idling as well and have plenty of lean running symptoms.
@@jdmjedi777 Exactly, 100% it could be. I think in this case he mixed it too rich with some cheap gas station oil. They are not the ones to run any good stuff and wonder why things run like crap. Everything they use is overpriced stuff sold next to the hotdogs inside the Mini Marts. 😂
@@jdmjedi777 It would be a good time to do a 105 big bore kit on the KX 80 engine if they are going to do a top-end rebuild.
I had a KX80 when I was a kid. That thing was a blast!
You can always use the engines for further projects
As always, you guys make me smile and laugh. I'm so glad you are living the dream. Keep safe so I can keep smiling and laughing. God bless you all.
It's the difference between a two stroke and a four stroke. Two strokes just have that power band that you can't get away from and they're just so much fun. The hole experience, the sound, the smell, the power, just more fun then a four stroke, but that's just me. I have an 81 ATC 250r two stroke that's a blast to ride. I really hope you do another video on this bike. I would really love to see some more of it.
Yall have me wanting to buy up a lot of the junk I see near me. Build em to run and flip.
Life long biker & ex crosser rider here who never stops grinning thinking about little 2 strokes that surprise people ♥️
The KX 80s and 85s were no slouches. You could bore and stroke them and they’d stay up with the 125s with a little guy on them… 👍👌👊🤙
They weren't as fast as a CR80‼
@@kennycampbelljr5896 😂😂👊✌️🤙
Them old 2 strokes were serious. Now you have 2 more to get ready. Its nice
These are the kind of videos I absolutely love
I found a 1980 DS 80. I believe it's the first year for the DS. Complete bike too. Another project I will hopefully get to if nobody buys it. Ready to see this content. 2 strokes are the best
these were great bikes and built tougher than the makes of bikes in this size category , my buddies son raced one of the KX80's when he was younger and did really well his first season racing without any sponsor, just his dad, uncle and me helping wherever possible, he even got a 3rd place finish one time, he's was so pumped , him being a skinny kid worked to his advantage enabling him to keep up pretty good with the other kids, he's about Charles age and the same build and just bought his daughter her first quad, I think its a 50cc or so , she just loves to ride it and always looks for puddles to rip through, it's a blast to watch her ride, 6 yrs old and no fear, here dad says she rides with reckless abandon, can hardly wait for the next video with these KX 80's, wonder if you could still find one of the big bore kits that Kawasaki use to offer, boy the would make yard kart a ripper 👍
Heck yesss..finally in my realm of moto/outdoor sports, my first bike was a suzuki DS80 two stroker at 10 lol. Now 20+ years later I've been restoring/reviving everything from old 70s to late model 2000s 2 strokes for a good couple years now and it's been a hell of a good time. 😎🤘
when you were revving it sounded like it idled down quite quickly, from experience this is an issue where the main rod bearing is about to fail. great content, I'm looking forward to the builds you guys come up with these engines!
Those bikes are awesome, a lot of fun with a tiny engine.
I have a brand new gasket kit i believe will fit those. They were ordered by mistake. I ended up swapping a honda gx200 engine onto it with a billet rod and flat top piston. Aluminum flywheel and slide carb. That thing rips.
Lol i loved john saying no worries i need kneepads lol was too funny
Would love to see this complete fixed up and looking nice. Engine overhauled and frame as well. A good cleaning and some scotch brite on the plastics. New grips and fix that clutch and the pipe. You'll be ready to go
man you dudes are by far my fave if im having a bad day all i have to do is tune in on cars and cameras and im good just reminds me of when i was younger me and my bros did this every day awsome guys keep doing what you love ill be 41 and still have go karts dirtbikes atvs and am a full time utv atv mechanic awsome chan
I like how Ike was just blipping the smoke in charlses face as he was riding it out the door hahahaha. Nice edit John!!
The two with the upside down forks are 85s...good score.
Finally thank you John issac and Charles 💯💯💯💯 been waiting on y’all to pull some pit bikes and old 2 strikes out yesssssss💪💪💪💯
yea i think there is a bunch of us that has been waiting a long, LONG time for them to do some 2 stroke dirt bike engine content. Lets just hope this is the beginning of a lot more 2 stroke content.
@@supertedogpriken yeah next we need a 2 stroke drag bike
Nice find! If your at all interested in an even smaller 2 stroke dirt bike then try looking into the Kawasaki kx65. Those things are a blast, as small as a z50 with double the power.
Nice video! Totally brings me back to my teen years. and a JET BOAT update soon!! Heck yeah dudes.
Nice find 🔥 Can't wait to see one of these 80cc motors on a gocart 😁👍🏻
Really enjoy the videos of bringing bikes back to life, especially 2 strokes
Awesome video loving the content
I dig the 2 stroke builds. Wish y'all did more of them.the more you do the better y'all will get a tuning them.
You guys have like the pinnacle of power two-stroke 80s from the 1980s those things are rockets on wheels I used to have one as a kid and my stepdad was afraid to let us ride it because it was too fast for us but boy did I love it I think was so fast and I could fly so high off jumps on it
Excellent video guy's....great recovery on this jem !!
dirtbikes about time John... most of us learned how to ride on a dirtbike when we were kids..
Those little 80s are a blast. I had a YZ125 that I use to ride. There is nothing like riding a 2 stroke.
Awesome...im so excited for you guys...thanks for the video always 💖
I used to ride dirt bikes as a kid, and a few years ago I got one of these in my shop to try to fine tune the carb for high altitude, and it was absolutely nuts how much power these little monsters make. I'm sure the liquid cooling helped a bunch, since all my old dirt rides were air-cooled back in the 70's and early 80's.😁👍
Kick stand = back wheel, and please just don't get rid of the frames and extra parts sell em donate em, pple love these year bikes
I had a friend with a KX80 Big Wheel growing up. I only rode it once and not far, but man it was a big deal back in the early 90s. It would be pretty cool to see one of these on a shifter cart. All about the 2 strokes.
My first bike was a 1982 Kx80. What a ripper!
Got my first ticket on a 82 kx80
Love seeing these old machines brought back to life
I use to have one a 80 and 125 they were so much fun can't wait to see them done great show
Gotta love the 2 strokes such simple engines to work on but yet so efficient
I've had bikes and wheelers from big reds to MX bikes currently have a modded raptor 660 and the most crazy little machine I've ever ridden was a 2010ish bills piped and jetted cr85... I've owned a ridden older 80cc MX bikes and they went good but that 85 was bonkers! When it got up on that bills pipe it went berserka... I looked up the specs after and it was rated a 28hp!! That's with the oem pipe too. That amount of power in a tiny bike like that just says hang on! I had no problem with my 200lbs. That bills pipe is tuned for a very violent powerband nothing... nothing... EVERYTHING! Take that amount of power in a tinsey little bike felt crazy. My first YZ80 had tops 12-14hp new so this cr85 had double the HP of that old YZ. To bad all MX 2 strokes aren't built with the same cc to HP ratio as the 85s, a 250 would be 60ish HP vs 48.
Reminds me of riding and jumping XR 60s as a kid. So much fun!
LOVE THE CONTENT HOMIES PLEASE KEEP IT UP !!! 2STROKES FOR LIFE NEVER GONNA CATCH ME ON A FOUR STROKE TRACTOR ,NEED THE POWER BAND !!AND THE 1980S KX 80S WERE THE MOST FUN YOU COULD HAVE ON A LITTLE ROCKET SHIP OF A BIKE STAY SAFE AND KEEP POSTING
I guess you'd never consider buying a Harley road bike huh? I just hake my head at people who think a clunky old unbalanced 1940's agricultural engine that revs to about 2000 rpm could possibly be "fun".
wow I love the sound of those engines.
I’m loving this right here 👍🏻👍🏻🤙🏻
It's kinda weird watching yall progress from where you started to where yall are is pretty cool. Yall remind me of my childhood. From minibikes and go-carts to big boy toys even though a kx80 is still kind of a kid toy but fun is fun 😀
Frankenstein definitely seems like a fitting name to me for it! And it’s already GREEN!
I did schoolboy MX in the early 80s, the KX 80 was the first mono shock that I ever rode. Awesome bikes,Learn to make it sing by using the clutch!
IT NEEDS A MUFFLER! Ike- WHAT?? Lol
i had an 87 kx80 dirtsquirt!!!!! loved that bike man great video
Its so funny to see the suprise yall have of what a dirtbike with a clutch and gears is like hahaha i grew up on a 82 rm80, and it would run 70mph all day! They are top end machines! Keep it in the power band and itll scare you hiw fast it is!
Kx 80s are mint no better felling than hitting that band and listening to it screaming I love em
About time we had some 2 stroke dirt bike content
Great stuff guys thanks
that little guy sounds GREAT! zippy little rocket
Brings back some good memories of when I got a KX 80 in the summer of 1980 a long with my friends getting dirt bikes we had some crazy times on them dirt bikes one of the best memories of mine was getting riding gear from sr Kenny Roberts I got a set of Scott boots that were red and blue red leathers with black diamond padding on the thigh area and some riding tips like how to breath when riding and racing always look ahead of yourself and balance I raced my KX 80 for 4 years in highschool in Riverside California at John W North high along with working at Malcolm Smith racing in highgrove California as a clean up kid at the age of 14 my dad had reworked my KX 80 doing head work and carb along with over size piston talk about kicking A.s on the track
Hey John, that kick stand deal works by putting the short peg into the center of the rear wheel, supposed to fall out when you stand the bike up and fall away.
There's just something about ripping around on an 80 it always brings a smile to my face
Had 2 of these growing up man these bikes were fast fun and reliable if treated properly always loved Kawasaki's
Glad you guys finally got a dirtbike
i had a 87 kx80 as a kid. loved it. bike was lethal
Nice rip on those 80cc. What's that project underneath the office👀. Belated Happy Birthday Ike!
My first dirt bike was a 89 Kx-80. Thing was so fast and so fun. Pretty cool to see you guys got one, or should I say 3 haha.
Got my neighbors kx60, like new, sitting in my garage waiting for fluids and new pump gasket, been sitting for at least a decade. This makes me wana work on it after I get 2 other projects done!
It almost seems like they enjoy working backwards 🤣 assemble - disassemble - assemble again ; fix a part then check if it is the correct one 🤣 hats off to you lads!!! You guys have much more patience than I do 🤣 I really enjoy the content. Keep it up!
Just one thing, forget about the muffler please! Let them 2 strokes sing. It is like music to my ears! 🤩 To put a muffler on a 2 stroke engine is like turning the volume down at a rock concert ( No body will dare doing that. It is as good as breaking the laws of having a good time ) 🤫😜
2 stroke engines NEED the correct exhaust system to run well. Nothing kills horsepower more than a bad exhaust... taking the muffler off will make it go much worse than stock, as back pressure and "resonance" is absolutely critical to 2-strokes.
Really loved the video, the bike runs great, brings back memories from a friend's Kawasaki. Then I saw that red Volvo wagon 👀👀👀♥️
Hello guys from @carsandcameras... Your channel is awsome and you showed me a lot of things how to fix them or even make them my own... now that you have nice frames you can make electric conversion with 12Kw QS motor... me and my friend made electric conversion of 125ccm dirt bike and its nuts... stay healthy 🍀🍀🍀🍀🍀🍀
Y'all should use one of those to build a go-kart with shocks just to see how it drives.
Great Video!!! (I could be wrong) My friend Kevin owned a 1976 Kawasaki KX 250 2 Stroke or maybe a 400 I didn't know what cc size it was. I pretty sure it was a KX Rippa I was 11 years old when i saw my friends Vintage Moto Cross bike. 13 years later i was 23 years old i weighed 120 pounds & crazy as ever LOL I rode my friend Travis's 2000 Kawasaki KX 125 with a Fresh Top End Rebuild It was Damn FAST!!!!!!!!! the back tire fished tale i bit under me i let the gas of for 2 sec's Cracked it I was Flyin' FAST! & it was my first time on that KX 125 Shit! Im to scared to ever ride a a 250cc I would like the 1976 KX 250 or even 400.
Awsome guys reminds me of growing up every bike i ever got came in box like that haha my favourite was my honda cr80r felt like powerband never ended keep up the kool vids guys
A definite hill crusher back in the day. Surprised I can comment today after riding those beasts as a kid.👍
I had one when I was a teen and now my two kids have one each. They rip for sure and yall need to get them all running and do a race
Started riding on these things... I think You could have gotten 3 running ones for $1000 =)) That triangle stand fits in the rear hub btw =)
You can tell Ike and Charles were excited to see them... LOL. 🤣