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The dreaded cut-out

Well I have not fallen off the edge yet- I have known about this problem for over a year now and when I asked Polaris at the expo I got the deer in the headlight look:face-icon-small-con
as to ask what R-U- talking about? we have not had a single complaint/
I really like the way these sleds handle- and rode them 5 times and even rented one at cooke to pound it all day....it did not have a cut out....

Still on the fence between this fine ProRMK and the PRo Climb M8

S.C.,
 
Just snowcheck the 2012 already!

Do some of the 2011's have issues? Of course. Do all? No. Have some of these issues been overblown? Yes. Does it suck when it is your $11,000 sled that is down? Yes. Is Snowest full of Chicken Littles running around saying the sky is falling, or your injectors are bad, or your TPS is bad, or fill in the solution of your choice here..... Absolutely.

I have over 2000 miles on my Pro and GF has over 800 on hers.

Mine has cut out a couple of times and I have found a few things on it.

1. Loose spark plug (my fault)

2. over rev (my fault)

3. TSS switch-- (over hood pow conditions) I don't think it was bad, it's just that the throttle can get so jammed with pow that the TSS switch isn't activated and so it cuts engine power thinking that the throttle is stuck open. I run a tether on my sled so I pulled the TSS switch and taped it closed

4. Hood to console attachment (my fault) there are two small tabs on the console panel that fit into the hood. If those tabs aren't in place, they allow snow to go right into airbox. I'm embarrassed to say that I only just discovered those tabs at the 2,000 mile mark and having taken my hood off
countless times.

This is my first two stroke and I was absolutely paranoid before snowchecking a Polaris 800 after all the Dragon horror stories. People, myself included, were looking for things to be wrong with these sleds. I'm sure a lot of the "cutouts" people are describing are from some of the things I listed above. Not all are caused by deficiencies in Polaris build quality. Some are caused by owner error (myself included)

I've never owned another two stroke but are you telling me the other two strokes don't ever skip a beat...EVER??? Again, I have no basis for comparison in the two stroke world.... But I love my Pro.

I'd snowcheck again in a heartbeat.
 
great post Murph, I will add this...Is the new cat the best sled on snow? I honestly dont know...I doubt anyone reaally does or will till next season when all the sleds are in consumers hands and climbing, carving and competeing in the real steep and deep....will it be reliable? you would like to think so, but know one knows..I do know this, there were a lot of Pro RMK's on the snow this season, and overall very very few of them had issues(we have 3 in our close group that have never been back to the dealer for anything warranty related and 8-10 more in the general group that have had no engine issues either), I do know this, when the sleds first hit snow this winter there was thread after thread about bent a-arms, havent seen or heard much sense...why? because the snow finally covered most of the landmines..are the arms weak? yes..and no....nothing will hold up to nailing buried rocks,stumps and such..but under normal conditions..they seem to be holding up pretty good since..
the issues with bogs, stumbles and such...I would bet 1/2 of them are from too light of clutch weights, both from dealers and from riders trying to get best performance...if they are even an ounce to light..you can hit the limiter(and bog) and it will do it both at 1/2 and full throttle...just a factor of how fast this motor revs....are their legit cases of rubbed wires, out of adjustment TPS, throttle cables, safety switches, bad injectors and such? of course there is, but not really that many if you truly read all the threads, many are posting their issues in multiple threads..so its making the issues look bigger then they are, does it suck if its your sled doing it? most definetly..but most issues have been ducumented already and I am sure polaris is working on addressing them(I know the 12's get a new injector already which will also retro to the 11's)..I think overall if you really look close..these sleds have not only been one of the best running sleds(overall reliability) but also one of the best performing sleds(on snow performance in the mountains)out there...theres a reason why when the other brands riders aare talking about what the new sleds aare going to do you keep reading about how they hope their brands new sled will do this or that better then the poo pro, or weigh as little or feel as good or..you get the point...their is a reason why they are saying those things...same reason you are considering buying one...how many threads on here have you seen of pro owners saying how junk their sled is, how they dont like it, how it wont go , or climb, or cant ride it..you dont...lots of for sales..but most of that is guys that figured to make money off their sleds due to the demand for them...(some were do to other things like work or money needed for other things for sure but alot were guys trying to cash in..on demand)...have any of you found some one with a pro who doesnt just love it? I doubt it, I know I havent heard of any...
 
i would say if your seeing over 8,250 its time to add some weight. like murph and ak said the top end bog is usually caused by peeps thinking they need to play with the stock clutching. when i have a problem come up i change back any mods i've done recentley to see if its the problem, just because it didn't affect it the first couple of times out doesn't mean its not the problem. trouble shooting, its not rocket science just common sense!!!

a big shout out to murph for actually having the big kahuna's to admit on the forum of record his missing the rear tabs on the hood:) noticed the first time i took mine off when i put it back on it wasn't fitting the same in the rear, sure enough didn't have the rear tabs in and there is most defiantly a big gap if they are not seated correctly. props to you!!!!!!!!!!!!!

for a first year sled i think poo did an outstanding job!!! set a new benchmark for the other manufactures to shoot for and deliveried the best stock out of the box sled ever produced. remember my 07 M8 boiling the oil in the res. bottle and melting half the stuff under the hood the first time it hit 3 feet of pow!!! talk about something to not give you confidence in your new sled...

just over 1,000 miles on mine and still love it more everytime i ride it, PRICELESS:)
 
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I to have been dealing with the cut out when you stab the throttle.I have taken it to my dealer several times,they put on new kill switch did not fix problem.Now understand its a very intermitten problem. They then put in injectors still had the problem. Recieved my slp pipe,power comander,air intake and clutch setup have 400 miles on since the install of SLP stuff and not one hickup runs like a watch.

So what was the problem, who knows. But maybe Polaris should ask SLP some questions.:heh:
 
mnrmkrb: Your problem might have been too light of clutch weights, these motors like more clutch weight than dragons. Mine did the same bog changed weights from 66's to 68's no more bog.
 
[ QUOTE=Woodsrider;2689142]mnrmkrb: Your problem might have been too light of clutch weights, these motors like more clutch weight than dragons. Mine did the same bog changed weights from 66's to 68's no more bog.[/QUOTE]

Hey Woodsrider, that is very possible, I was running 60s at 9to 11000 ft on good pulls Iwas at 8100 to 8150 and alot of other guys were running 58s pulling the same so I thought I was fine but now Im running SLP stx wgts they are 68 grams after all the SLP stuff. Happy now sled rocks
 
Mine too

Mine did it this weekend too. After reading this post i looked at the the plugs. I noticed that one of the plug boots didnt have the circular band inside it that clips onto the top of the spark plug. Changed that boot out. sled ran perfectly for most of the day and hiccupped only twice on the way home. Also put in new plugs and dielectric grease on plug tops. Im wondering if warm abient temps are affecting this situation. I will take it to the dealer and have them check tps, and look for codes
 
The Fix

So is the fix more weight, plug wires/boots/plugs, tps calibration, tss, or what? please post your fixes for YOUR bogging/ cut out issues. Thanks
 
any update.....poo gurus??

clearly there's 2 different issues here.

clutching/rev limiter

electrical


For us w/ the electrical problem, i'm thinking a new thread could help.
'11 assault started cutting out at 40miles, or 2nd ride. HELP!!

Happens at 2 different rpm's. Off throttle desending in the trees possible load up at idle. When get to bottom of the hill or turn out, ya hit the gas and it cuts out. Engine light comes on, over the bars you go. Either turn the sled off, or wack the flipper till it gains rpm and away ya go....then just seconds later...

3/4 to wot the sled will fall on its face. Yesterday was 55 deg plus here, running across a meadow if would fall on its face, over and over. Tried both ethonal plugs, no change.

Dealer here i come....w/ less that 200miles, and 2 weeks old...

Fresh plugs, wiring inspection and fresh gas have made no difference.
 
If you are getting a light on the display, you have a sensor issue, most likely a tps or exhaust sensor, need to take it in and have the dealer put digital wrench on it and see what the code is....also check the sparkplug wires/cap, many have been loose, cutting the wires back a 1/2" and reinstalling the caps has helped many....I would also ask the dealer to check the tps settings with a multimeter instead of digital wrench, there was issues on the dragons when checking with the digital wrench that were fixed with a multimeter...
 
Well I expirienced the dreaded bog yesterday. I have had a random bog about twice total in the 500 miles I have logged on my sled, but yesterday was the first time it bogged and refused to run. I figured it had just drank some water because we were riding 3+ feet of fresh wet/heavy powder and it was over the hood and windshield all day and kept plugging the intake vents. It eventually cleared out, but it was a pain when it was bogging.
 
if you were plugging the intake screens, you might want to add a flow rite to the back of the air box top, you can tape it over for normal days, then when you hit those deep days just pull the tape off, allows it to pull air from between the airbox and the fuel tank..works great..or you can spend the money on slp's powder valves..
 
if you were plugging the intake screens, you might want to add a flow rite to the back of the air box top, you can tape it over for normal days, then when you hit those deep days just pull the tape off, allows it to pull air from between the airbox and the fuel tank..works great..or you can spend the money on slp's powder valves..

I have heard that the intake kits void the warranty though, is this true to anyone's knowledge?
 
clearly there's 2 different issues here.

clutching/rev limiter

electrical


For us w/ the electrical problem, i'm thinking a new thread could help.
'11 assault started cutting out at 40miles, or 2nd ride. HELP!!

Happens at 2 different rpm's. Off throttle desending in the trees possible load up at idle. When get to bottom of the hill or turn out, ya hit the gas and it cuts out. Engine light comes on, over the bars you go. Either turn the sled off, or wack the flipper till it gains rpm and away ya go....then just seconds later...

3/4 to wot the sled will fall on its face. Yesterday was 55 deg plus here, running across a meadow if would fall on its face, over and over. Tried both ethonal plugs, no change.

Dealer here i come....w/ less that 200miles, and 2 weeks old...

Fresh plugs, wiring inspection and fresh gas have made no difference.

check and make sure the plugs on the ecu are tight. Make sure your throttle cable freeplay is set correctly. Make sure your spark plug caps are tight on the wires and plugs. Other wise I would wait until you have over 3 hours on the sled so its out of brake in mode. Alot of the boggy issues seam to go away once the brake in mode is complete.
 
my 11 has 8.3 hrs on for 140 miles now. Checked all the elect connection today...re-terminated the plug caps by cutting them back. Adjusted the throttle cable to snug.

and saga begins.....

thinking about it more...on the trail it was consistant...any time ya punched it, it missed...back off run it at 1/4 to 1/2 it would run.
Went out to a meadow immediately, started doing laps....100% failure from 1/2 to wot...never shuts off justfalls on its face.


Dealer he we come...but got to wait till tues..
 
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Well I expirienced the dreaded bog yesterday. I have had a random bog about twice total in the 500 miles I have logged on my sled, but yesterday was the first time it bogged and refused to run. I figured it had just drank some water because we were riding 3+ feet of fresh wet/heavy powder and it was over the hood and windshield all day and kept plugging the intake vents. It eventually cleared out, but it was a pain when it was bogging.

627d4220-32a2-e6e9.jpg

Like this? I don't get issues from covered intakes but I do from exhaust stuffing. Check the exhaust deflector for being even just a little bit smushed.


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