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Without the temp sensor, the efi has no way to compensate for that parameter. It's a relatively simple efi system. Temp is one of the important things it has to know to run correctly. Plus, having it placed in the stock location is your best bet. Also, if the efi becomes a hassle or doesn't...

I think your better off with the stock air box. Pulls in less engine heat and snow. Quieter. Probably cheaper. Ebay or a used parts guy...

This is true. But, it only works once. Names get taken fast. Then you have kel1, kel58catkiller, kel96#ladysman76goldschlager then people just start making crap up. Just the nature of things.

I remember, maybe 2012 or so, the polaris 600 made 112 hp. There was speculation about it being a turd from the factory. It still posted respectable speed and time though.

Could be I guess. But why would a ringer make the same power as the past 3 years and many other runs by different people? Plus the speed numbers jibe with all other years shootout results and people's real world experience. Has polaris been sending everyone ringers? Ringer in other ways...

Righty tighty, lefty loosey, push it till ya look like Gary Busey. That's how I learned it anyway.

Exactly what I was looking 4. Thanks!

I havnt seen or worked either of them in person yet. But do you think the polaris clutches are less cost reduced and better built than the cat?

Yeah. I agree.

Yes. The Axys has a 3 year record of this level of stock performance. Maybe it's time the others go uncoupled and get stock clutching better? Or maybe the other guys have more driveline loss. I recall reading somewhere that track HP of the new 850 was no different than the 800 Out of the box...

No ringer in my opinion. Dynotech Research certified all the machines and the results are historically correct. All sleds made expected power. Axys speeds were comparatively good to other sleds at the event. But the Axys (in its 3rd year) has run faster in different conditions at previous...

Looks like the beginning of 4 corner seizure? Swollen piston contacted cylinder wall. Tons of possible reasons. Maybe ran hard before warm-up once? Maybe ran a little lean for whatever reason? (sensor issue, injector issue, ethanol issue, air leak?) One thing I learned recently is that...

Everything looks great. Thank you for sharing your upgrades.

Thanks. I figured it was more complicated than it seemed.

While I'm on a roll insulting people... :) What does dealer prep consist of? It seems like those machines are often slower.

Everyone's a critic! Including me I guess.

Doo Talk

I grabbed this off the net. A little shorthand and messy, but all the info is there. T cat and sidewinder are on the bottom

So the Polaris 800 did very well at the shootout this year as it has done every year. My fanboy brand ego side likes that. By my technical and "betting man" side thought the new 850 ski doo would have won. Or at least done better than it did. Looking at DTR, it had all the power it needed...

Hard on the brakes too!