2023 Polaris ProStar 4-Stroke Engine In The INDY XC S4 137

Motorhead Mark delivers probably the most highly anticipated review of the entire season covering his impressions of the 2023 Polaris INDY XC S4 137 featuring Polaris' very own ProStar 998cc 4-stroke engine.
#LetsRide #polaris #snowmobiles #snow #winter #snowtraxtv
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2023 Polaris Snowmobiles
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[@woodardkingsbury1648]

No where’s near fast enough 74 good for beginners but xcr guys want that Yamaha 4 stroke performance 😊

[@jasonbrushett2005]

Sounds like a winner too me!! My wife an I went from 600 Polaris Liberty to 900Ace Skidoo sleds,haven't looked back.Sure,not a trail rocket,but every other category we are more than impressed. Given the price of fuel,the 900ace just sips it,and I can imagine this Polaris will be similar.For 90% of trail riders ,a 90hp 4 stroke with loads of torque for corner to corner riding is plenty.12 ,000 miles later we haven't looked back.I'd love the chance to try this new engine from Polars,and that Indy looks just fine to me.

[@duckdestroyer2412]

I don't know about sipping fuel. I currently ride an 850 MXZ TNT, I rode with some N/A 900 ace riders, and at the speeds we were going, our fuel consumption was close to identical. And I was riding a way more fun sled imo.

[@bedlambikes]

@@duckdestroyer2412 mine would get no less than 19 MPG even in Maine where it was running over 70 mph all the time…and it was modded with aftermarket clutches.

[@duckdestroyer2412]

@bedlambikes pretty similar to me then. I think at the end of the last 120-mile ride my 850 used 7.8 gallons.

[@bedlambikes]

@@duckdestroyer2412 when I rode my 900 ACE in Vermont where the speeds were more in the 30-60 miles per hour range and the trails were hardpack, I’d see 24 MPG. It’s fantastic on twisty trails in the woods for good long cruises. That’s where these NA 4 strokes shine best. Not as exciting, but they go forever. The sled itself will begin to fall apart before ever looking at the motor. 10,000+ miles no problem, and if you ride 4000 miles per year, that’s a pretty big deal. These Prostar engines are ideal for that market.

[@jasonbrushett2005]

@Duck Destroyer they do sip fuel.Too each their own,as I said not a speed demon but does everything most riders want......and no need for oil or expensive engine rebuild

[@412griffon]

Please a comparo with the renegade 900 ace 😀

[@Logan-be9rt]

I think gibungous is my new favourite word

[@snowtrax]

😆

[@FishNFreshWater]

I love the Titian. WoW what a machine.

[@ianlemieux7208]

Lots of trail riders really appreciate 90 hp. 4 stroke powered sleds that are fast enough to enjoy a safe ride on the trails. Many riders have been downsizing on horsepower to get a more fuel efficient engine. Fuel costs are not going down. 4 strokes are here to stay. Even 90-100 hp engines. Trail speed limits are 70km/ hr. Most of us like to cruise and enjoy the ride and don't need 180hp turbos. Thanks so much snow trax for such a well thought out, truly accurate and positive review. Polaris should be very proud of this accomplishment. Ride safe everyone.

[@stinthedude]

Gibungous has 10/10 chance of working its way into my vocabulary

[@460sw3]

Hoping there's a turbo version for next year and I'll be all over it!

[@PatriotBrad]

maybe. whats the same rzr engine good for? For a 1000cc engine its sure a pooch hp wise but 90hp isnt targeted to the hardcore anyways.

[@devonlethbridge]

Lots of room under the hood for a turbo too it seems... You just know Polaris is working on this.

[@snowtrax]

Absolutely they are.

[@justflylow]

Awesome! I am a 4 stroke fan so it is nice to have a choice. I ride a Victory motorcycle which has a Polaris built engine and it is bulletproof!

[@JimmySeahawk]

Polaris engine and bulletproof should not be used in the same sentence. This is coming from a Polaris owner. Crank had a timing gear turn and ruin the motor.

[@justflylow]

@@JimmySeahawk no doubt there are an occasional problem as can happen with any engine. The Victory engine is well known for its reliability. In light of word choice and todays sensitive audience, it was not meant in the literal sense. Only that it has been widely published from owners of the engines reliability.

[@nateperkins7534]

Unfortunately, Polaris didn't feel the Victory motorcycle line itself was bulletproof. It doesn't bode well that they dropped it like ghost and built an entirely new motorcycle. And engine. A Victory today is like a DeLorean. Cool, but obsolete.

[@justflylow]

@@nateperkins7534 Polaris is good at engineering but fell short on getting the public involved in the motorcycle movement. They did not create the concept like their competitors did to make Victory as iconic as Harley Davidson. I think they saw another brand that was about the same age as Harley and decided to bring Indian into the 21st century to compete. Maybe I missed the mark on the reasons here but I know I have heard more good things about Victory than bad. I think Polaris is being careful about entering the snowmobile market with the 4stroke because they already know the competition is strong. A company that put all of their eggs in one basket had better have a solid crate to carry them.

[@connorp8408]

Why do I have a feeling that similar things were said about the 2006 Fusion 900 at launch... from what I remember, the 900 had an engine from another machine in it too. Hopefully this works out better.

[@topJimmyP1984]

Nice, about time too!

[@dristo8009]

I can just imagine Yamaha laughing at those numbers lol...

[@deanurbanek6577]

It competes with the 900 Ace from Skidoo for a family touring 4 stroke, that is it and stop trying to make it more than it is. The folks that buy these dont want anymore horsepower, they want fuel mileage, they dont really care about the extra weight because they are not going off trail or trying to pop wheelies at every intersection. The fact that there is a four stroke option in a matryx chassis is great and when they release the turbo version, you will see more weight and complain because it is not 250 horse right away.

[@robertgiombetti3044]

Still waiting on my snow checked, Indy Adventure Pro star S 4. I hope to have before snow melts very frustrating Polaris.

[@patgenier1965]

You too eh.. FYI I had a snowcheck Adv X2 with S4. After the 3rd shipping change notice ( for late January ) I canceled it. Got the deposit back. With help of my brothers (and some peer pressure), I purchased a in stock 23 Adv 650 137 from the dealer in my Home town.. It's in Ontario and I'm in Alberta though. I'll be going in March to ride it for 2 weeks.

[@kylek8284]

My father just bought the same sled today. Last year he bought the indy xc 850. So now we have a 23’ two stroke and a 23’ four stroke. He’s only rode two stroke sleds for the past 50 years. I’m curious to see how he likes his new four stroke. How do you like yours?

[@FireRisinWithin]

More options and competition is almost always better for the consumer. Interested to see what kind of gas mileage this will get compared to the skidoo 900 non turbo. Also, how much of a weight penalty is there compared to the same model with a two stroke?

[@snowtrax]

It weighs 120 lbs more than an Indy XC 850 😳

[@derrickbilodeau1435]

Thats crazy! There is only a 10 lb difference between the doo 850 and 900.

[@FireRisinWithin]

@@snowtrax 120 lbs? Are you sure? That's quite disappointing. I thought maybe 50 lbs. That would be a dealbreaker for me for sure.

[@romper4444]

@@snowtrax seems like alot? but then again, how much does a sportsman 1000 weigh, close to a 1000lbs? Manufacturers nowadays are incredible at making something heavy feel light, yet still with amazing maneuverability, comfort and power. Especially with all that 4 stroke torque right off idle. Question is where does it stack up at ready to ride weight compared to the competitions 4stroke sleds? I tell ya I'm REAL curious to hear what this "Harley like" engine sounds like with an aftermarket exhaust! I hope they've overcome the less than ideal sound of the parallel twins in the Quad/UTV lineup compared to Can-ams V-Twin AWESOMENESS lol Can't wait for the turbo model! There's a new king of the muscle sled around the corner!! 😎

[@frostman9661]

"Gibungus news!" "afishionundos" -Snowtrax 2023

[@patgenier1965]

Always like your stuff Mark. But heres a question for everyone: has anyone received any S4 orders in any platform? I canceled mine after 3 backorders. I Purchased a 23 adv 650 that a dealer had in stock.

[@coonlakebackwoods]

Good thing Polaris and Ski Doo are finally entering the HP four stroke game 20 years later.

[@LiamG903]

Hate to be that guy but s4 is available in the titan which is still axys. You can send the check in the mail. Great overview as always folks

[@terryattewell5842]

I always enjoy your educated reviews Mark. 90 HP 4 banger sounds like a winner for Poo. Curious as to what kind of fuel economy it gets.

[@Hunter.686]

90hp out of a 1000cc engine is terrrible!

[@hammerheartdan6311]

They tune them on the conservative side so its reliable and great on fuel.

[@jrhunt414]

Actually 90 Hp 1000cc seems pretty standard for a light weight twin cylinder 4 stroke. This isn’t a big heavy 4 cylinder or a turbo or a two stroke.

[@Hunter.686]

@@jrhunt414 Ducati has been making high horsepower twins (150+) for over a decade. I just don’t see how sleds can’t get more power out of such large engines.

[@ujarneqsrensen8745]

1000cc high horsepower ATV’s makes about the same, so it’s not unusual. It’s not a high reving engine like the Ducatis you’re talking about. it’s meant to last and have decent fuel economy. Two completely different engines you’re comparing

[@Hunter.686]

Good points!

[@dylandavies3634]

Nothing gets your blood pumping quite like a 90 HP 4 stroke!

[@romper4444]

Oh stop lol

[@anthony-barber]

It’s not about hp, it’s about fuel economy and cruising down the trail, Speed is not everything, and it kills if not respected. TREES “🌲🌲😂so enjoy the easy journey to your destination. 👍🍻

[@justinfranks2103]

Nice video Mark I think Polaris did a great job with this sled the way the 4 stroke is an option with the same bodywork very nice. Do you know what kind of mileage the sled gets and do you think Polaris will make a higher horsepower model next year?

[@snowtrax]

No mileage numbers yet as we haven't received our press unit to do any big mile, extensive testing. We are hopeful we will see a turbo in this thing, but it might just be a conservative bump in HP to 95 horses like the 900 ACE..

[@justinfranks2103]

@@snowtrax Ok thanks seems like a great sled for the right buyer I would like to see Polaris compete with Yamaha and Cat with the 4 strokes maybe they will someday

[@romper4444]

@@justinfranks2103 Arctic cat "AND" Yamaha? No-no-no-no-no...NO! There's only Arti-Yams for sale now

[@Dalesworld99]

Seriously!! This is big news for the industry?? Last to the game and super uncompetitive. Cash that check from Polaris guys….you deserve it for that kind of hype!

[@richfreireich4528]

I can see polaris adding a turbo to it to get 150ish hp in the near future

[@GYPSY400]

I wouldn't be surprised if you see that in a month or 2 for 2024. If they get it to 120hp ( 600 2 stroke hp), I'm opening my wallet.

[@bedlambikes]

@@GYPSY400 If they made a 4 stroke that competed with 600cc class 2 strokes, It'd be the only sled engine I've ever buy moving forward. However, the sled would HAVE to weigh under 500 pounds. This is entirely doable and the MX industry went this way years ago with relatively lightweight 4 stroke MX race bikes. I'm surprised the sledding industry hasn't followed = yet.

[@romper4444]

Maybe in the standard "eco" version! Polaris will 100% go after the king muscle sled crown with this platform! Gonna be fun 😎

[@okienightstalker3145]

Where is the turbo model?

[@wasupfool5692]

Good competition for the NA 900 Ace, but those are high expectations

[@dskofich]

MORE LIKE 600ACE COMP

[@GYPSY400]

@@dskofich the 600ace is 60hp.. the 900ace is 90hp. So this is neck and neck with the 900ace.

[@dskofich]

@@GYPSY400 HE SAID 70 MPH IN THE REVIEW....MY 600 ACE DID THAT STOCK.THE 900 ACE WILL WALK ALL OVER THE POO

[@dougmcmillan2195]

600 ACE is 62 HP and the 900 ACE is 95 HP.

[@marklubecke4854]

Polaris, last to the table, with leftovers from their UTVs, Thank you very much. Your tech Dept. never disappoints.

[@Rehmer94]

Why would they invest in a new 4stroke platform when they sell every 2stroke they build? Smart move to grab this off the shelf, make it refined, and test the market. Give Doo some competition in the 600 class 4stroke trail segment. If the niche flourishes, I could see them making the investment. I for one would be interested.

[@actZR900]

Hard to say polaris is last when yamaha and cat are still around

[@pierre_desbiens]

I never understood the Polaris 4 stroke snowmobile situation. They have been making them for years in the off road segment. Don’t they have an engine that competes with the doo turbo R?

[@romper4444]

This will compete with the turbo sleds in the near future(as a turbo model), but as for offroad; yes Polaris and Can-am(skidoo/Bombardier) go back and forth with "hp wars" constantly in the side by side market.

[@joddaley6510]

They will when they bolt on the turbo from the rzr 1000 and say bye bye turbo r hehe

[@yykoo1952]

How other brands are so far behind with 4 strokes compared to yamaha? I cant see any reasons why someone would buy other than yamaha if 4 stroke is what you want.

[@joddaley6510]

My son's 17 was a lemon sorrry to say nice to look at through the window at the dealership garage

[@longboardguy]

@@joddaley65101 in a million then because Yamaha does the 4-stroke better then anyone else and it’s proven for a long time now

[@gregsouther7293]

Seriously considering one of these for my wife. I was originally thinking about a 650 but they just too strong for an less experienced rider. Is it noticeably heavier than a 650 on the trails?

[@jacobkrueger9211]

90 hp out of a 1000cc four stroke is very disappointing. Yamaha was cranking out 85 hp from a 500cc 4 stroke in their phazer back in 2007 and their 1049 cc four stroke has been cranking out 135 hp for almost 2 decades now. They will need to turbo it just to match the hp of a Nytro or Viper. The should just do what cat does and purchase a quality motor from a true motor company and save the RD costs.

[@snowtrax]

Comb through the comments to read some of the replies about this same topic. FYI, Doo's 900 ACE is 95 horsepower.

[@skylerillsley3569]

And the 1000 4 cylinder Yamaha makes 163😂

[@joddaley6510]

They aren't aiming for high hp in this. The young 25 yr old isn't buying this machine its the 52 yr old whom wants to cruise, you don't need 150+ hp ffs

[@MLSPlatforms]

@@joddaley6510finally someone gets it , this is for Trail riding up North with Gas stations few and far between.

[@otahu26]

As Someone who works on Sleds and Gets frustrated at engineers. I can say. Looking at the Parts list. Things like Chaincase bearings are Frustrating to find. Even at the Dealer. The Throttle by wire in Minus 30 is a pain. In Spring time here in Atlantic Canada . The Heat from the engine will melt the hood and the engine goes into limp mode. 90 hp is Great but the Clutching and Top Speed with a gearing change would be nice. But Hey. You can't change the gearing just like the OLD FST Sleds. So that is Some Frustrating as well. PRAYING That the worm gear for Reserve doesn't mess up on anyone cos they are a pain to deal with. For the PRICE. I'd live with Ski Doo's 900 ace or a Yam/Cat. Least they have Options to gear up or down for your local area and snow conditions. OH and the Heated Seat. Ya.. I love the heated seat.

[@MrGrobert1]

How many hp do you think it would be with turbo? 160-170 hp?

[@mikegatherall8420]

Could have just bought Yamahas twin 500 from the phaser …. 80+ hp ….. 120 turbo’d

[@snowtrax]

Yeah, we all know how much the snowmobile community loves it when competing brands team up 😳

[@jaybarbaro7985]

Does this come with a pull start

[@98KingQuad]

The Yamaha 500 4 stroke was 80HP…

[@deanhamer1946]

The Phazer 500 4-stroke is hard to beat for power density.

[@joddaley6510]

So

[@justsomeone6835]

Weight ?

[@snowtrax]

594 lbs dry...

[@mikeskidmore6754]

90 HP is Probably plenty of power for most people . 87 Octane gas .. Engine should last forever. How much weight does it add, what is the MPH? a 270 Degree crankshaft is not well balanced. You really do have to run a counter balanacer .. 270 Degree twins are very popular in Motorcycles supposedly because they make more low and mid range torque..

[@cliftonae]

Maybe I misheard, but in the review he stated a gear driven counter balancer is installed. Edit: yep, at 2:25 “gear driven counter balancer”

[@mikeskidmore6754]

@@cliftonae Yes he did but first he said it was a perfectly balanced design.. He contradicted himself.

[@dannydelisle2095]

30 HP less than the Yamaha 1049? WTF!

[@heybubbah]

It's a clear competitor to the Rotax 900 ace NA, which is a massively popular powerplant

[@rmitchell1]

If you're going to consider a 4 stroke just get a Yamaha

[@ML-lg4ky]

Or ski doo.

[@HFG207]

But how will it do when I’m eating my cache of pemmican while running down Kevlar Lake? 😂 jk jk

[@snowtrax]

😆

[@njorgnjorg6057]

I wonder when the stop ride recall will happen on this snowmobile. Lol. 😂😂

[@riverrunner4958]

Give it alittle time it's a polaris it will happen.😂

[@Marty_Graw]

Also with model year 2021 and 2022 Ski-Doo Backcountry, Expedition, MXZ, Renegade, Skandic and Tundra snowmobiles equipped with a 600 EFI engine, Ski-Doo 2020, 2021 and 2022 Expedition LE, SE and SWT snowmobiles with a 900 ACE turbo engine.🔥😂😂

[@njorgnjorg6057]

@@Marty_Graw there’s a couple people in my group that have those years and yes they had a recall but i don’t believe they received any letter telling them to stop riding there machines. Big diff there if I’m right.

[@joelaichner3025]

90 hp is about $ 9,999.00 tops !

[@zstraps]

I'd buy a Yamaha 4 stroke before a 90hp anvil.

[@snowtrax]

Yamaha is the king of the 4-stroke engine, but unfortunately doesn't have anything in this HP class in its lineup. Would love to see Yamaha produce a 90 horsepower sled...or something new anyways...

[@jj-eo7bj]

What is the trail mpg ? 2 stroke might get 9-10 tops terrible mileage for trail users 15 to 18 would be good

[@nr5834]

What kind of motor are you only getting 9-10mpg?... And how hard are you riding it? The worst mileage i get on my 600 carb is 13mpg riding hard off trail. 17mpg trail cruising...

[@lylejohnson5549]

plenty of modern 2 strokes get 15MPGor better, including my 650 VR1.

[@jj-eo7bj]

@@nr5834 550 fan polairs ,2 up trail Indy think it is called,,,I drive fairly easy ,,,,terrible mileage if I could get 13-17 would stay with my sled 🛷

[@bwyyy7306]

Why is it a big deal, everyone has has been selling them for years

[@snowtrax]

Because everyone's been asking when it will happen for years.

[@TheMidwestPatriot]

2007 Yamaha Phazer 500 - 80hp Yamaha nytro/viper 1049 - 130hp Polaris 1000 - 90hp I like Polaris as a company but this is pretty lame. Why would you buy this or the 900 Ace when they get smoked by engines that are like 15 years older. Rental sled city. Polaris and Can Am better hope they don’t drop the 998 turbo into an SxS because it’ll be game over.

[@chrism4351]

I owned a phazer. Am now riding a 900 ace ski doo. There is worlds of difference between the two. 900 ace is way better and I'd argue has a lot more than 10 hp on the phazer.

[@TheMidwestPatriot]

@@chrism4351 Ace 900 is rated at 95hp. So 15hp. I’ve ridden them both. 15hp seems about right but ski-doo handled much better. That being said the comparison I was trying to make was that when it comes to 1k 4 stroke motors both Polaris and Ski-doo can’t seem to even come close to matching Yamaha. I’m sure you have your reasons for buying the ski-doo 900 Ace but let’s be real it’s not even on the same planet as the 1049 even though it has a similar displacement. Snowtrax’s said so as well.

[@tombotting3345]

2007 Yamaha Apex 998 - 150 HP

[@joddaley6510]

Yama this yama that do you actually think people are buying these to blow somebody away its a comfy trail sled thats it

[@TheMidwestPatriot]

@@joddaley6510 if that is the case then why do most adult riders buy 800/850’s when a 600 would be just as comfortable. Seems to me power plays a large roll in a lot of people’s purchases.

[@CCH-R]

Booooo really 90 horse??? Sad. The arctic cat blast would compete with this😂. And this is a big deal??? No way it’s a 4 stroke big deal. Everyone else has one and Polaris is falling behind and they know it

[@John-lu2bp]

Awful. 900cc ski doo is 95 hp. This is 10% more displacement and 5 less hp.

[@joddaley6510]

And whats your point I'm pretty sure they could add 5 hp if they wanted to. I dought very highly you can feel 5 more hp in the seat of the pants

[@dskofich]

MY 600 ACE GRAND TOURING WILL RUN 80 MPH ALL DAY WITH SOME CLUTCH TUNING. I SEE NO BENEFIT TO THE POLARIS

[@snowtrax]

Doo also has a 900 ACE that is 95 horsepower. If you prefer Ski-Doo, there's lots of options.

[@jdds1165]

No thanks

[@bigblockstang9368]

Computer junk , overpriced to boot. When it falls into the 1500 dollar range in about 10 15 yrs and it’s proven they were good maybe I’ll buy one. Wouldn’t count on it though because I’ll still be riding my old 2000 models. Xc Xcr. XLT s I have several of them and not one third the amount of money one of these tech crap piles cost. Can’t even find the damn engine in them after you spend a long time to get the hood off and side panels only to see a fricken nightmare under the maintenance department. I bought a small farm 30 yrs ago for that amount of money.

[@kevindevoe8016]

You clearly haven’t ridden a new snowmobile with I don’t know.. actual long travel suspension and excellent trail manners with a 137 skid. You keep with those old dinosaurs. Your back will wish you didn’t and you’re really missing out on a ton of great features. It’s cool you bought a farm for that price 30 years ago, but that won’t happen in todays world either.

[@blakeolivia]

Easy Boomer.

[@bigblockstang9368]

I’ve drove several but no way are those things worth that kind of money . Tech junk. The same with new Autos. I know I’m a repair shop. Keep making your payments , my old dinosaurs as you call them are paid for . And if I wanted a new one I could by 5 of them if I liked but then that don’t make you a big man. Mr millineal.

[@valhallaawaits6889]

Can we please stop pretending that 4 strokes are better than 2 stroke engines? They're not. Part of what has always made snowmobiling so special IS the 2 stroke engine. And Snowtrax, please lose the constant music bed over your videos and let us actually hear the machines.

[@nortonashburn6119]

Somebody is in a bad mood