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2013 Pro getting new cylinders and pistons!

So when does the service bulletin come out instructing burned down motors be repaired using updated cylinders, pistons, and rings? Oh ya, that right, never.

Thats not correct ! They will be available as soon as all warranties have expired ! just like the 900 crank update kits. :face-icon-small-dis
 
So when does the service bulletin come out instructing burned down motors be repaired using updated cylinders, pistons, and rings? Oh ya, that right, never. Because then Polaris would be acknowledging a huge problem and be opening themselves up to liability for a defective product. And yes, motors with this percentage failure rate is a defective product.

That's a good point - Is Polaris going to retrofit the updated cylinders/pistons to the '11 and '12's that go down when these new motor parts become available or just continue using the junk ones? The '11's would need new injectors and mapping to be compatible from what I understand. If they would do that then I'm all about sticking out the warranty with my stock motor. If not, then I really need to talk to Indy Dan or Kelsey!

If you check out the Polaris website, there is a short vid clip on engineering and the guy states that Polaris has a goal of making a "durable" sled. He doesn't let on that a big part of that is the new cylinders and piston changes.

Have FUN!

G MAN
 
I appreciate the info. Unfortunately, judging by their track record, Polaris has been making changes, but not "refinements" or "improvements." If they went with thicker skirts that was a fail. And if the Pistons were different that was also a fail. How can Polaris claim increased longevity? Is there a machine they hook it to that simulates REAL WORLD riding conditions? Until they have two or more seasons of only very isolated or minor issues, there will be a "what if" hanging over the heads of every 800 motor out there. I am basing most of my failure info on what I know of locally, not in the forums. I guess if it is true they are making a change, good on them for trying. Oh, and my cereal does taste a little bad with the sour milk I am using on it right now:face-icon-small-ton I have an 11 Pro with a brand new motor in it right now:clock:

Ditto, new doesn't mean better.
 
I'm pretty sure that the Injection system is still Kokosan Denki... Using Bosch brand injectors.

Synerject (division of Orbital) on Polaris ATV's... Ski Doo ETEC... Wasn't aware of any SDI Synerject uses on Polaris 2-stroke sleds. ??

Def interested in learning new info!!
 
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Anger Management... Sincere question for you.

Do you have any dimensional info on the past cylinder changes or photos that show the changes?

Thanks in advance.
 
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I'm pretty sure that the Injection system is still Kokosan Denki... Using Bosch brand injectors.

Synerject (division of Orbital) on Polaris ATV's... Ski Doo ETEC... Wasn't aware of any SDI Synerject uses on Polaris 2-stroke sleds. ??

Def interested in learning new info!!

Yes, Kokusan computer/VR is used for the 08-Current CFI units, Synerject injectors/mapping for MY11 800 only, now Bosch injectors/mapping on the MY12+ sleds.

Anger Management... Sincere question for you.

Do you have any dimensional info on the past cylinder changes or photos that show the changes?

Thanks in advance.

Most of my pictures are gone, I can get the dimensional info again and will post the differences.
 
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Polaris guys at the sled show on monday said the motor is the same as last two years. You would think when promoting a new model year they might mention these "improvements" when current owners are prying at them..... New pistons, cylinders and porting are huge changes to stick into a new model year sled, when they will more than likely be sticking an entirely new motor in the sled in a year or two. Maybe they would change the materials the pistons are made of, but that seems like the biggest change they would make that isn't noteworthy when trying sell and promote a new machine..... just my take on it.
 
I'm 99% sure that there will not be ANY official information from Polaris about the engineering changes inside the 800 DC-CFi2 if there is any.
 
Polaris guys at the sled show on monday said the motor is the same as last two years. You would think when promoting a new model year they might mention these "improvements" when current owners are prying at them..... New pistons, cylinders and porting are huge changes to stick into a new model year sled, when they will more than likely be sticking an entirely new motor in the sled in a year or two. Maybe they would change the materials the pistons are made of, but that seems like the biggest change they would make that isn't noteworthy when trying sell and promote a new machine..... just my take on it.


Thye didn't advertise the change on the injection system from 11 to 12.


I'm 99% sure that there will not be ANY official information from Polaris about the engineering changes inside the 800 DC-CFi2 if there is any.

^^^^
Right on.

This.

They are too afraid to admit there was an issue with previous model years even though it would potentially help them to sell more sleds in '13.

I would agree with this, the word change on a Polaris engine is synonomous with failed engines and reliability issues.
 
I'm 99% sure that there will not be ANY official information from Polaris about the engineering changes inside the 800 DC-CFi2 if there is any.

You are probably right. Unless they mentioned that it somehow gave the engine 165 hp. Then people would be all over that thing like fly's on s#$t. Hell, the engine could only last 500 miles and people would still buy it.


coolaidguy.jpg
 
If Polaris is going put a thicker cylinder skirt on this engine , the upper case WILL have to be different as well.. There is no way to have any longer or thicker skirts without a different upper case...

So, in short, unless there are some upper case changes, the cylinder can not get thicker.

Kelsey
 
If Polaris is going put a thicker cylinder skirt on this engine , the upper case WILL have to be different as well.. There is no way to have any longer or thicker skirts without a different upper case...

So, in short, unless there are some upper case changes, the cylinder can not get thicker.

Kelsey

Yes and yes from what I was told!

Have FUN!

G
 
So if it is getting new cases.. there will be no way to bolt the new 2013 cylinder on the 2011 or 2012 bottom end.
I will say that a thicker skirt is a good idea.. but we have never brole a skirt even with the big bore.. So, it is still my opinion that the main issue is with the piston design, and not so much the skirt.

And again, the rod ratio is better than ANY other 800.. So, IMO, the rod ratio is not a problem

Kelsey
 
Well in the end, it's all speculation and nothing is in stone. I would like to believe Gman086 but want more proof of a design change. My dealer said that he and the area rep know nothing of any changes and he believes it will be pretty much the same motor as 2012. Not saying he's right and Gman086 is wrong, just saying I wish we had some more information to backup the claim.

The chassis is better than anything else out there and even if we don't get a new design, we can get decent life out of the motor by running oil in tank and turning up the pump. Not "The Fix" but maybe the "Bandaid".
 
So if it is getting new cases.. there will be no way to bolt the new 2013 cylinder on the 2011 or 2012 bottom end.
I will say that a thicker skirt is a good idea.. but we have never brole a skirt even with the big bore.. So, it is still my opinion that the main issue is with the piston design, and not so much the skirt.

And again, the rod ratio is better than ANY other 800.. So, IMO, the rod ratio is not a problem

Kelsey

He mentioned something about the case being machined to make it work. And, BTW, the whole reason the topic came up is because I brought up your big bore kit. You'll be getting some business after the new changes which will make the motor a lot more friendly to BB's! :face-icon-small-hap Honestly I think that's a big reason why Polaris is doing it - they realize stock HP is not enough to satisfy the hardcore mtn riders and the current platform won't last for adding big mods like turbos or BB's so they're changing the platform. And as far as speculation... my source is valid and hasn't been wrong yet so, yeah, I would bet on it! Now for real speculation... my guess (and only a guess) is that this is all a prelude to 2014 when Polaris teams up with an aftermarket turbo or supercharger manufacturer like Yamaha has done, or even their own turbo like Cat. That is only my guess tho.

Cheers,

G
 
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