Seller Made HUGE Mistake On This $700 4x4 ATV

I buy a 2004 Polaris Sportsman 700cc 4x4 ATV after the seller gave up on fixing it and attempt to get it running again. #Polaris, #BigBore, #Fix,
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[@RT-vo2vh]

For $700 its a no lose project ... get like 4 vids out of it, spend a few hundred and sell it for 3 er 4k once the smokin is fixed. Also great op to show people many small probs to look for, aka wrong washers ... takin time to look at schematics of engine systems is golden lesson ...

[@markhensley9378]

If you take the top end apart I'll bet you find that the rings are not staggered properly or in upside-down. Anyway, great job on the repairs you did. Thanks again for your time today and enjoy the rest of your weekend.

[@M.TTT.]

Yup that's happened to me on an old Briggs on a 70s garden tractor. I never knew some rings were directional - and neither did they guy who was in there before me apparently 😂. Good reason to read the manuals.

[@PandemicPat]

Second ring upside down, messy engine building.

[@alexmacdonald258]

that's what I was thinking too, either rings or valve system. Really runs great Joe, you did a superb job! I've never seen a woodruff key shear off like that.

[@johnnydiaz1098]

as someone who has been doing this stuff for over 20 years i got to say you have the diagnosing skills that many people with even my experience lack. i love this channel, keep up the good work joe

[@njb7209]

I think just seeing the way the valves were loose, I would have completely rebuilt the motor.❤

[@Yolobrohs]

stfu i rebuilt it correct

[@bruceprosser4283]

For a Young Man, your technique is definitely Ol Skool. Keep up the good work!!

[@greathornedowl3644]

Good job, great video. I would have avoided someone else's "modifications" but props to you, and Vinny. Seeing your joy riding, the flag is a nice touch, as much fun as a person can have with their clothes on. Keep up the hard work

[@M.TTT.]

I'd agree, but it wasn't a literal 'basket case' like ya see sometimes, so ya start to assume the seller did some easy wiring mistake or something if you're lucky. Don't always get lucky though

[@Texas4x]

Looks like you are crop dusting....lol. You are a master of fixing other people's inept repairs. Some people should NEVER EVER work on mechanicals. Great job!

[@zeuswinston5004]

If original owner messed that much already. I’d be pulling apart jug to inspect everything like are ring ends staggered and piston circlips correctly installed

[@jeffreyness9741]

Dude. You absolutely made my day when you said check these bad boys out concerning the flags. I haven't heard check these bad boys out for years .

[@anthonyblacker8471]

I sure hope the guy who rebuild this motor in the first place watches this and learned something. Otherwise he should probably NOT work on engines!! Wow.. Hey, at least you know what to do and can fix it. You got it for a fair price too so that's a plus.

[@simplman3288]

you never know what your going to find when you buy something someone said they rebuilt, but after all you fixed, looks like you got a good deal

[@ProjectsWithPat]

Ok for the smoke. Check the spark plug, does it have oil residue on it? Pull the exhaust and look into the head, you can look up the exhaust ports and see the stems of the valves. If the exhaust valve seals are bad you will see the oil seeping down. It’s not real easy to look at the intake valve seals and oil leaking because the fuel coming from the carb washes the oil off. If the spark plug looks oil fowled. It’s ether intake valve seals or oil scraper rings. If the spark plug looks good it’s exhaust valve seals. I’d say it’s not the piston rings. Because you have such high compression, I’d bet more on valve seals.

[@sparkie9947]

Great video. It's challenging and I bet frustrating finding and fixing other people mistakes. You have to be very skilled and knowledgeable to take on these projects. Thanks

[@jeffgriffith1457]

I have an 02 and watching this was very helpful just to watch if I come into these problems. I thought it was the timing from the begining but you showed it was much more then that! Thanks!

[@Joe_HamRadioGuy]

Well you brought it back to life. Hope you find the issue of it smoking. Can't wait to see what ya find. Thanks for sharing.

[@ViktorG24]

Love this small series

[@jayjudd6518]

Was interesting he read up on things about that pump washer. Wish I had that skill.

[@trose7620]

Always the shafts. Do a lot of those repairs here on those quads, keep them in shop stock with seals, etc. Great job and vid. Impressed with how you've come so far so fast as a mechanic. Dig into everything just builds your overall knowledge, great job!!

[@MR-puffnstuff]

Not much on the tube for the weekend and i do not watch cable tv ever but you always pull through for a video on the weekend thanks.

[@mikejones420]

great video Joe, yeah could be valve stem seals, rings not spaced properly, or ring in upside down, interesting to see what the cause is when you tear it down. I love tearing down, and rebuilding heads, lapping valves, it's fun for me lol.

[@seanmartin2382]

Makes me miss my old 800 Sportsman...Great video yet again!!!!your crushing it.

[@MPDano]

Yeah, I agree on the rings. That's a lot of riding for it to not clear up. I've done the same with one of my top end builds and didn't get the rings on correctly. Happens to the best of us. But yeah, new valve seals too.

[@chadoakes8002]

Love the video my Polaris Sportsman 500ho Did the same thing smoked a lot And I replaced The valve guide seals. And it fixed the problem. Thank you for all your great videos and knowledge. Hope you had a great 4th of July

[@rayanglin5295]

Well,,,lm ashamed to admit it cause I've been riding ATVs all my life,,and many times I would have to work on them and would just give up after a while,,strange thing is l can take a V8 engine apart and fix anything wrong with them and can put many of them back together including torque specks without a book,,and since I have been watching your programs I realize that I just gave up to soon,,however I have learned so much from you,,and the being ashamed part,,lol is because lm 63 years old,,l should know all this as much as myself and seven grown children ride all year long,,fun in the summer and hunting in the winter,,but I have fixed several of our ATVs and side by side's since watching your videos,,,great programs brother....

[@3400Zlinear]

Watched several of your videos, your careful mechanic, Thanks for sharing your adventures!

[@BuckDuck69]

Love the videos man, you are very good at what you do, keep the content pushing 🤘🏼🇺🇸

[@robertdavis4184]

Looks like the valve seats are bad or the rings not being seated

[@myguitaryourface5160]

Valve seals I bet

[@Eddiebravo-kn8jh]

Definitely seal valves.

[@kalaharimine]

Or both

[@MM_in_Havasu]

Dang, there is an auto parts store in the area that had to re-order several cases of RTV sealer! There is a shit-ton of RTV on that right hand stator/gear case alone! Might be time to do a proper reseal job on all that stuff, and, yes, the rings never seated correctly in the cylinders, thus the heavy blue smoke. I've seen plenty of 2-strokes that smoked less! Maybe another video on a re-ring/top end job? You will get all the other issues addressed in short order, Joe! Great deal, great video series! Thanks man!

[@ron-namvet5651]

You are great. I don't know where you are located, but I sure learn alot watching you fix there machines. Thank You

[@snowyowl7042]

Great job, always a teaching moment with engine rebuild.

[@wags9777]

I can smell the oil burning here in Michigan through my phone.

[@lloydgreen4091]

Joe -- This Old Guy Loves All your videos. I have a 77 RM Suzuki to replace the piston which lost one of the tiny pins that holds the rings from turning. Back together engine would start & run gets warm then quits. Never saw that happen before, took me a while to figure out. LOL Here's a tip for All your Readers.... Plastic Oil bottles are designed with the spout at the far end to be poured with the spout Upside not down. This Prevents the Glug Glugging after starting to pour with the majority of the oil at the bottom half of the bottle & allows air to get into the bottle more quickly to prevent a mess. In some cases if the cap hole dia. is large enough like in autos you don't even need a funnel. Prevents a Big Mess. Try It -- You might like It

[@stephenshelton8538]

First rule of thumb is if your going to rebuild an engine , get a repair manual and it will show and tell all you need to know . I just rebuilt a 02 700 twin and it all went smooth . Did watch a lot of videos to get the you tube mechanics take on things . I learned a lot and used some valuable info only experienced mechanics would know . Like the channel, keep up the good work 👍 And I’m sure when the first guy built it he didn’t prime the oil pump which is required 1st start up

[@862057]

Bad valve guide seals usually let out a big puff after idling a while or after being parked and then restarted. A constant roar of smoke, rings.

[@Mxmad727]

Yo 2vin awesome wort as always, so I’ve just rebuilt a rmz250 put oil in and started straight up, put coolant in and it went straight in the engine 😢 stripped it back down can’t see anything wrong all looks good and help guys 😩👍

[@lukefortin9616]

Someone actually called that a rebuild. YIKES. Good job on our part.

[@genesmay6589]

Those plugs told you alot.. A+ for putting faith in what these sellers tell you. A++ for staying in it and making them runners..

[@milanbukorovic1469]

This guy is such a talented mechanic, and it's crazy the deals that he finds

[@JoshuaJonah]

A talented mechanic owns a torque wrench, doesn't grease paper oil gaskets, applies RTV to case splits, lubricates ceramic water seals, etc. This guy is a backyard mechanic, a decent one, but he's making a lot of little mistakes that will bite him eventually.

[@KTPGNS1]

​@@JoshuaJonahtalent has NADA to do with what tools you own. I'm just curious why you watch and comment on so many of his videos if you are not getting back anything. Jealousy hurts! He is definitely a talented mechanic. Stop being such a troll. Didn't your mom teach you, if you have nothing good to say, then just shut you flaps?!

[@KTPGNS1]

And I have worked on race and trail sleds, and ATVs for 30 years, and have always greased 1 side of my oil gaskets, A. cuz it helps it stick, and B. I believe it helps seal micro pores. Never once had a problem. I am pretty sure he has done this stuff a time or 2. Idk, there's something about trolls who talk shit, that sounds like jealousy that gets under my skin.

[@TheFluffedLife]

Nice job Joe! Can't wait to see what you find when you dig into the top end.

[@vfrexup]

Valve stem seals were what I was thinking, when I saw the smoke. Looking forward to the next Video !

[@jakejones9502]

May not of replaced the valve guide seals or the rings are in the wrong order. I commented before you talked about the seals. Great vid thought. Keep up the good work.

[@lmfarms4611]

I wonder if he offset the rings or reused the old ones. It is interesting how a bunch of small steps can throw everything off. Great video.

[@peteraitken6494]

Yeah joe looks like your right I would say valve oil seals as well either that or rings and oil ring as well soon find out 😉look forward to the big reveal other than that still a good buy sounds good feel sorry for the neighbours right enough haha take care mate and all the best to you all 👍👌🔧🔧🔧❤️🏁🏁

[@Jdwescott]

Another great video joe,looking forward to the next video on this one to see what you find

[@garylewellen4241]

I get concrete mixing trays at Menards for catch pans. Works great for keeping the messes down.

[@kirkslayden834]

Wow you said the guy rebuilt the upper end but why is it smoking so much I bought a TRX 400 for 1,500 bucks and the guy said it had an accident and it back of a truck so all the rips in the plastic I sewed them with upholstery thread and glued all the nuts with super glue but it runs great but eventually the rubber thing on the pitcock crumbled I had to buy the whole thing that was almost a hundred bucks and all I needed was the rubber round ring with four holes it's a special rubber piece that goes in the pitcock and it runs perfect and no smoke at all and this is a race quad I don't think it was ever abused I bought it from some guy that had Corvettes in the driveway and he had plenty of money so I think I got a pretty good deal I love working on these things it's actually a lot of fun thanks for the video and the knowledge God bless

[@bighomieJ5X]

A 4 stroke that identifies as being a 2 stroke 😂😂

[@cheto2952]

Is a transsmoker

[@cerealkil4206]

Somebody had to say it lol

[@michaelhickling6449]

could just be the loud pipe but doesn't sound like clutches are opening all the way. High pitch all the time. Not sure how you manage to put out so many great videos but I enjoy watching.

[@thebigguy8306]

Great job, good video, tearing into an engine is always a learning opportunity.

[@DwWorks]

great video , i would diffantly change the exhaust to stock or less noisy

[@shartne]

Runs perfect! wonder why it is so LOUD! Ring is boched. It helps keep the mosqitos away. Probably is the valve seals.

[@charliebeki]

Best of Luck, and hard work. I am sure you can fix this. Do it.

[@waynemasters-4qfa111]

Great job! I found that putting seals (like the water pump seal) in the freezer overnight will shrink them "just enuf" to make pounding them in with a socket/extension easier. 2 cents

[@bigjay6743]

Can't wait to see what surprises you find when you take the head off It's probably the valve seals but I still think you're gonna find a few more Issues besides that.

[@RC-fu6hg]

As long as the previous owner did not split the case you should be okay. Especially with all your awesome skills. 😎 👍

[@ErickaC-mc7vg]

Back in the very early 80's when I was building and hotrodding old Mopars a guy in the neighborhood I grew in rebuilt a 350 and put in in a 68 Camaro and it smoked like a train, it was terrible. I asked him if he staggered the ring gaps and he said "no, I lined up the gaps like they are supposed to be." So you never know what you might get with someone else's work. Fun project and still worth the $700.

[@puro]

I love those plastic stitchers. Just repaired my king quad 300 plastics with it. I've done a bunch of other stuff. Definitely looks better than ziptie stitching.

[@kurbuy21]

It's the rings or valve seals

[@williamlane9140]

Props to you for taking on a wannabe Mechanic's failed attempt. Been turnin wrenches since i could hold one. Compression rings are good. Oil rings are in wrong. 👍

[@chathamguy1able]

i have a 2004 polaris 700 sportsman had it for over 4 years just do oil changes never let me down --- if i remember right they only have valve seals on the intake side -- i wonder what kind of kit he got could it be a china kit if yes thats your problem --- i also seen i guy take a 700 turn it into a 800 --- good luck -- great video like always

[@lukefortin9616]

Good job on your part Joe. It looks to me like it needs valve seals.

[@firehades2007]

thanks for the video i enjoyed it. i wouldnt keep running it because there might be a broken ring in there hacking away at the cylinder wall. not gonna lie, i thought i saw faint lighting on the flags might wanna check again. if not id def fix that, would look cool.

[@Robert-xe3os]

You definitely have the talent to fix things thank you for sharing your knowledge with us

[@Brody8TR]

Great video. I love watching these videos 👍.

[@jordanwright3233]

Love watching your videos i have learned alot just from watching your videos keep up the good work would love to see you do a grizzly 660 to see what you think of it

[@SwedenLover090]

Love your positive attitude. ⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️⭐️

[@hartex57]

I enjoy watching your show you do very well at it

[@bobbykeyz1263]

Just finished watching your videos on the mini boat. New sub, nice work.

[@stuartphillips430]

Hey Joe.was wondering how you decided those washers were wrong? Cheers

[@TylerLabbe]

Just a tip for fixing the plastics, an air gun will cool the plastic super quick, might be bad for the video but it saves time.

[@richardhuff8201]

If it was rings they would of seated relatively quick. Seeing the work at water pump is all you need to know.

[@tzajaczajac]

Them CVT transmissions really sound crappy. Great job figuring this one out 👍👍

[@gearheadgregwi]

Reminds me of the gazillion marine gearboxes I've worked on. There is no cheating with gearbox seals. Don't care what weekend plans you've got. Put the tools down. Get the right parts. Do it the right way.

[@markbrynteson5141]

Thank God you pulled that cover off and seen the timing mark off a tooth , damn good job.

[@carltreurnich8482]

And he disappeared in a puff of smoke,like a magician

[@03roadking]

I've seen people use zip ties on the backside when your plastic welding it gives you a little bit of plastic to work with you just melted all together

[@johnandersson]

Looking forward to the next video on this quad. Please find another silencer for it as well! It sounds terrible 😅

[@thomasdausch8557]

That will make someone a nice old ATV when he does some more repairs on it,,,great job so far young man

[@leebenson4874]

@14:45 If you put the casing in the oven @ 200`-300` and the seal in the freezer they will in most cases just fall into place or with very little pounding. Great for bearings as well. Edit: Can't wait to see!!! LOL Well there is a reason why they are called Shadetree mechanics.

[@jasonspringett5367]

Also changing that over to a 700 hopefully thr guy put the right springs and made the right adjustments for the clutch, they are set up differently between the 600 and 700, you may get alot more power and speed out of it changing the clutch to 700 springs

[@johnvanalphen2884]

I think he put the original rings in ,sure you are going to find out yikes you are doing a fine job ...like watching a good mechanic at work keep us amused :)

[@TheStevo420]

Love me some early Sunday content❤

[@cheto2952]

Ben gone for a few months bud great job on getting it running. But the motor needs rebuilt.

[@jeffreyness9741]

Again, thank you for the check these bad boys out with your flags. Fabulous, fabulous, fabulous.....

[@re9947]

Never let corrosion get on your shaft.

[@Antiquefarmequipment]

Good luck keeping it off lol

[@bigjay6743]

I try not to but you never know how many shafts have been in there before yours.

[@keithtruman9258]

You forgot to change the oil filter when you did that 600 twin?

[@larrywarner9314]

Those mechanical seals are a treat sometimes

[@matttaylor373]

love the videos happy 4th id say he didnt stagger the oil rings?!.i would be scared to think what else he did wrong.

[@sorinking8149]

When you had it wide open I couldn't not tell the sound difference from a leaf blower ha

[@dgamble35]

In Canada we call breaker bars. Johnson bars who was an old manufacturer

[@dangajdosik6958]

Check the valve guides and replace the seals

[@gregorypierce6703]

DUDE! safety glasses when your welding ANYTHING!!😮😮😮

[@rocket6277]

You're videos are great...sometimes I think I'm watching Steve from Blues Clues in 1997...LOL!

[@rogsands5644]

Did you ever do an update video on that Niche big bore kit in that yellow 400ex? Just wondering how its holding up?

[@jasonjgr8580]

Sounds great, but sucks about the smoke. You will figure it out.

[@davevanatta1965]

with all the work you do surprised ya dont hav a lift of some sort ! thinkin back prolly be happy lol

[@jamesjay9781]

Maybe 1 more oil change will sort smoke or valves seals mate 🤔

[@l.s.tukbigbud7715]

Sounded like an airplane when you was testing it at fields....🤙🤙🤙🤙

[@Mark-gr8jb]

Your a good mekanik lol anyhow i have a similar 05 700 polaris and reverse quit do you have any ideas i can try before i pay someone to work on it i know its a stretch bit I figured what the hell i would thro it out there!!

[@MavicAir1]

Good vid. I'll have to go get one of those plastic welders.

[@shockcoach]

I was also thinking, and this takes a huge assumption that the cylinder and rings are correct, that valve seals are the issue.