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Can It Be Saved? Top End Rebuild Polaris Sportsman 90cc (Part 2)
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- čas přidán 4. 09. 2024
- I end up putting a new top end and oil pump in this 2003 Polaris Sportsman 90cc ATV. Last video we found out that this machine had about 40psi. We dug into it and found the piston and cylinder were wrecked. Can we fix it and make this machine run again? #Polaris, #Sportsman, #Fix,
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The following video features activities performed in controlled environments by knowledgeable persons. DO NOT attempt to duplicate, re-create, or perform the same or similar activities at home, as personal injury or property damage may result. 2vintage( Joe Weber, the persons shown in this video and ANY CONTRIBUTOR, ARE NOT LIABLE FOR ANY such injury or damage. ALL 2vintage( Joe Weber) CONTENT IS FOR ENTERTAINMENT PURPOSES ONLY.
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I hope you guys enjoyed the little series on this Polaris Sportsman 90cc ATV! I'm working on rebuilding the Tecate 4 250 right now, so stay tuned for that video!
Please SUBSCRIBE and LIKE the video if you enjoyed! It really helps me out a lot!
Thank you for all the support!
I love it i have a 125 ttr yamaha dirt bike i would love for u to pick one up
And do a video on one
Hi
P
Did u get married did u not tell us about it or did I sleep threw that video
at 6:40 he says " you want the STD pointing up" and again at 7:30, priceless, good fun, nice work
As a suggestion you should do a Kawasaki kfx 400 next !! That’d be dope
You should keep it around for minty Jade.
I would disable the oil pump if possible and run premix in the tank. It is also easier to put the piston in the cylinder first then put cylinder in sliding in the wrist pin though the rod and piston. That way you are not fumbling with the piston rings in a tight spot.
If you’ve ever messed with one of these or something similar, do you have a recommendation on what mix ratio to run in it? I’ve got an E-ton viper 90 for my son which I’ve been told is essentially the same mechanically as a Polaris 90 of the same era and while I haven’t done a full delete of the system, I have been trying to run it on premix and just ignoring the oil injection system. I’m not 100% sure what ratio I’ve been at but I know it’s at least a little more oily than a 50:1 ratio cause I haven’t been mixing a perfect gallon into the one gallon 50:1 bottles my father in law has around. As a matter of fact it’s possible the first tank was like 25:1 lol
Only ran the quad 3-4 times and haven’t ripped on it *too* hard, but want to know if anyone’s got a recommendation while I’m working on getting it back into shape. Probably need to go up some in jet size too with the aftermarket pod filter I’m running on it in lieu of the stock style air box.
@@Genesis385 normally 32:1
I think it will rip. Now iam doing build serie on 600$ honda xr400🤙
Awesome video anytime I have gotten a bike/atv with oil pump i bypass then I have heard way to many people blow up machine because oil pump fails. Have great day
i jus wanna say thanks for all of your videos your the reason why i feel motivated to work on my other machines
Do a riding vid where you go out all day and rip it up would love to see it
Should clean that cylinder really well before assembly.
Lol he just used some sand paper inside it than seemed to of slapped it on.
@2vintage, great job. You have came a long way and I am glad you took our hard criticism to heart and stepped up your game.
Great rebuild on that little guy! Nice to see you working out of your own garage at home :) Looking good
Get a yfz450 next
Noo he might take sand paper to that cylinder too😂
Yes 👏🏼👏🏼👏🏼👏🏼👏🏼👏🏼👏🏼
And the 2003 model with the 4 speed gear box is the best one to get 💪🏼💪🏼💪🏼💪🏼💪🏼😎
With some little tweeks 😉
Fixing bikes is cool 😎👍
That’s an aggressive sand paper I might of went finer
Eh it was fine. I didn't sand much
I never seen a person try to score their cylinder on purpose
Same he’s bout stupid asf. Obviously if it’s honed there’s no burs😂😳
@@jakebsetliff2550 there were some
@@2vintage it’s called tight clearances and shape edges on the ports
@@jakebsetliff2550 stfu the dude is just trying to make a video and didn't ask for you to try to correct something that didnt happen so why are you coming here just to be toxic unless your gonna actually watch the video then dont come here anymore
@@coryb8236 I was just agreeing this it’s stupid asf to score a cylinder like that unless it’s like 1000 grit but nah that shit was like 80😂 I get he’s just being procationary but still
Stand the quad UP and remove front wheel(s). Access to motor will be improved greatly. You're welcome.
Thanks!
Good idea I gotta do one of these
Going to be deleting the oil pump on it at same time
Awesome video ! I can’t wait for see that race between the raptor 660 and the tecate, it’s gonna be a good one
Yeah i think it will be!
Dude she runs awesome 👌, but that front end needs some help, good job on this one 👏 and better tires would help it bite to turn.
stay blessed
Jade should do a top speed test on this quad
Hahaha that would be fun to watch
Insane how much better the videos are getting🤘🏽🤘🏽❤️
Following up to the rebuild on the Sportsman 90. How did the eBay cylinder kit holdup? Any thoughts afterward on quality?
Getting famous off of comments day 168, so I can live the dream, live life to the fullest🚀
Your rings have an STD?? Lol that was funny.
we neeeeeeeeed mooooooore ddddddddiiiiiirrrrrtttttttbiiiiiiiiiiiiikkkkkkkkkeeeeeees!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
get a yz450f
esco
YES! I totally agree 👏🏼👏🏼👏🏼👏🏼👏🏼
And the year I would try to get is the 2003 , the one that has ONLY 4 gears😳 , only made them like this one year!
Change the front sprocket up 1 tooth from standard, change the back sprocket down 2 or 3 teeth, Get the cam from top end to more powerful midrange, then get a thin race filter for air box and chop the exhaust baffle 😎💪🏼LOADS OF TORQUE 💪🏼
I had two! One in 2005 & one in 2008
A friend of my uncle who is old school did it all in 3-4 hours, ordered the sprockets, chain and a new back tyre ., fitted them
and then done the engine 👍🏼
Look out for one 🙏😉
I had the same one wheelies for dayzzzzz
What was the compression after the new top end ? Or what should the compression be at? Thank you
I'm no pro but compressions should be above 100psi
Good job
Really cool 👍 you should get a kx125 I am trying to find one but there so overpriced
Yes they are!
next quad should be a predator 500 or outlaw 525
I love my outlaw 525 irs
I love my predator 500
Agreed
I see these kits on eBay all time I never been brave enough to use them let me know if u have any luck with them I was going to get a big bore for my z400
Try to get a maico 700, just try your hardest. I believe in you
Where’s the tecate!
You should get a 1986 yz80
What ever happened to the little Venom ATV ?
Still around , still running ok?
Race this against the raptor 660
🤣
You can do some fun wheelies on that and not worry about hurting yourself
Are you doing vids at your house from now on? To me it seems so much different even the sound! Also you don't much space to test drive. Lol. Love the vids tho! 😀❤️
Nope just for a few videos!
Awesome!!! Much love! ❤️😀
I lpve your videos
Thank u so much for likeing my comment
Please get a yfz 450 when you get the money n time but keep up the good work man
U should have checked the ring gap in the cylinder before u put them on the piston once they get hot they expand and if they touch it could score the cylinder wall
Should just run premix and bypass pump to be sure
Yeah I ran premix for the break in but the pump works so I went back to straight gas.
Keep up the good work man your doing great
I gonna sub to you have a great yt
Awsome !👍
@Whoop!
Think you should try a Kawasaki 700 sport quad is it the kvf or a can am renegade 1000 xxc, great vids budd hope you and your family are all well and good
Nice video bro! Every time I need to fix something first I go watch your videos to see how to do it :D good job.
I subbed, love the vids they are very helpful, and fun to watch!
2vintage is Awesome he literally hearted my comment 3 mins after I posted it.
STD is standing up😂🤣😂
have you done a blaster yet those things are so fun and simple to work on
i’ll stick with reading destructions enclosed with piston as rings often need adjusting and as you well know sometimes you even have to drill holes in piston. so many variations with manufacturers of aftermarket parts best to check
I’d just mix my own gas
I know these minaralli clones, it sounds like you definitely have an exhaust leak, put your hand over the exhaust tip after starting it and if still runs fine that exhaust gasket isn't installed tight enough
The first thing I’ve done with every engine that has oil injection is block off the pump and mix the gas. They are very unreliable. That one looked like it barely sent any oil up the line also.
Hey man how you doin
I watch all your vids, love the new shop and floors!!! I have a 50cc or 90cc chinese knock off for my son, not certain cc. Anyways, got it running good but the oil pump doesn't work. Should I replace or just run 40:1 premix? Will that cause any problems?
I would always verify they’re measurements
Congratulations
Any suggestions on shock replacement? My kids love their 07, however it needs new shocks, worst case I can buy from Polaris. Let me know thanks.
Adjust the carb joe ! Sounds like it’s not revving out.
i have been looking for a dirt bike or an atv specifically a polaris sportsman or a honda xr 70 so im down to buy depending on how much you want
Awesome video man
Try torquing ur head to spec next time. Never use a extension with a torque wrench. Ok it’s not a lot of torque but it could throw off ur specs. Also pit grease in ur head nuts and threads so it’s a proper torque as well.
A straight extension will have no effect on the torque wrench setting.
@@snapfish89 will too seen it happen myself. Even heard it it from a CAT field technician and it u out a extension in a vise with a racket on the end and try to twist it. It twist. The twisting will throw off ur specs for inaccurate torque specs.
Pretty sure I remember there being a formula for adding an extension. Certain number of ft or inch lbs lost per inch of extension due to loss of geometry or whatev.
If you take the plastics off you can work beater
That thing is clapped
Nice video.
Keep up good work
What top end kit did u buy
Good job man
Good job 👍
Hey man. Have you looked into getting a table lift? I bought one and now cannot live without it.
Yes i have! I'm waiting to get a deal on one!
@@2vintage apluslift. 1500lb look it up on ebay. Amazing customer service and the cheapest. Awesome quality. No complaints
@@Dontlieme thank you I will do that right now!
I hope your neighbors are going to be cool with you tearing up the new neighborhood!! There going to have to love it hahahaha .
Take away, no burrs, burrs are very very bad.
On camera audio it sounds like a Banshee
Did he move?
That piston looked like a pos?
Niche is a very cheap piston brand. There hit or miss
@@jakebsetliff2550 that makes sense, you don't see them in the UK where I am but I think I would steer clear to be fair.
@@FrostiTheRoadman idk man I had one in a 1998 yz80 and that thing got beat the shit out of and it still ran great. I guess we jsut go the good one of the batch lol
Nice well I'm glad it worked out, to be fair I have used cheap pistons with no issue before but this one just looked super rough around where the snap rings go lol.
@@FrostiTheRoadman I thought the sane
Why do so many people have to have that beginning spoiler like at start of vid??? Your question .. "can it be saved" .. was just shown that it was saved..so i don't have to watch this vid now, thx!
Sorry ill keep it out of the video from now on!
@@2vintage We both know i will keep watching your excellent content regardless! Thx for replying, your Golden !!
great video
Get a 2009kx250f
pity u couldnt stand the quad up on its back wheels against a wall.u culd work on the engine stood up
Change the brakes i have a kasea i can't seem to understand
When is the kx500 coming
Awesome bro
Hi I really like the vids that’s a petty cool wuad
Does electric start only work if you squeeze the brake?
Yes left hand brake
Where did you get the top
End rebuild kit?
Fix that garage door, bro...
What’s wrong with it? Lol
You should get a kx450f
What year model is it
Is the smoke normal? I’m new at this. Thanks.
Yes, that quad is a 2 stroke which runs on oil and fuel that is mixed, which creates the smoke. Hope that helps.
It would be cool to get a trx 90
Next you need a blaster 200
You didn't put any hondabond on the cylinder and it has no fan shroud it's Gunn'a blow up again
How much were the parts $400 where are the engine side covers?
4 time of asking Get a cr85
Are you selling the 3 wheeler bro?
I have trouble putting the jug back on. It’s a pain in the butt!
install piston into jug on bench first then install wristpin... works much easier
Mine is bogging down and i don't know why
When the top speed runs coming
Top speed is like 15 to 20 mph