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PRO-RMK® 163

The Ultimate Mountain Sled

Starting at $14,999 CA MSRP
2020 800 PRO-RMK® 163 is rated 4.3 out of 5 by 98.
Rated 1 out of 5 by from Multiple breakdowns and ruined trips I have had multiple problems with the reliability of my machine. Have had a horrible bog that still isn’t fixed. I’ve had two trips which my sled has had check engine lights that resulted in the sled shutting off and having to pushed into the trailer because it wouldn’t run. The bag I bought has two broken buckles and two broken tunnel attachments. I buy new machines along with my friends to not have reliability issues especially in the backcountry where we ride and everyone that took the bait on the new 850 has had issues, whether complete engine failure, poor running engines or unreliable failures.
Date published: 2019-04-17
Rated 4 out of 5 by from Great machine, but lacks adjustability. I purchased this machine as a snow check last year. The sled runs great and has given me no trouble as of yet. However reports of the 850 engine having reliability issues have me very worried that I might be left stranded out on the trail with a blown motor. Regardless the sled has great power, and great ergonomics. It is a very planted and flat running sled which is good in some conditions but poor in other conditions. I would like to have more adjustability in the rear suspension to be able to get the sled to pop up the front end a little more when necessary. If Polaris can come up with a way to make the sled very adjustable for rider preferences they would have the ultimate package.
Date published: 2019-04-17
Rated 4 out of 5 by from Good machine I bought this machine really excited for the new motor and I had never rode an Axys chassis. I was really surprised by the handling and acceleration as it was excellent. I went through sparks plugs like crazy during break-in though and it wasn't just a pull and go start up either. No issues like that after it was fully broke in so that was nice. I need to put some more miles on it to fully speak to the overall reliability. I'd recommend this machine to anyone looking for that next level backcountry sledding experience.
Date published: 2019-04-19
Rated 5 out of 5 by from excellent handling I had a 2016 Axys that I had totaled and I had decided to purchase another Polaris after trying a Ski Doo and Arctic Cat. For the steep technical riding that I do the Polaris out performed the other brands. The only change on this one was the 3" track I have been extremely happy with it's performance, we ride heavy treed areas in extremely steep terrain, the 3" inch track lets you get away with ridding slower and being able to get out of trouble. The track has done a great job in the wet spring snow we usually quite ridding at the end of May. I have been ridding in the Pacific Northwest Mountain range for 41 years and this Machine is the best that I have ever had. I would suggest this machine to anyone who rides the back county you will not be disappointed!
Date published: 2019-04-18
Rated 4 out of 5 by from Love the sled but lots of problems with the 850 Got the sled from snow check and there was bogging from the 850 patriot from the beginning. Finally got sorted out at mid season with the new motor calibration (Reflash). Next my oil line got disconnected at the check valve and the slab needed to be repaired and opened. This took two weeks at my dealer. For the last rides it ran great... couldn’t say it was a perfect year... On a positive note coming from a BRP 850 summit, I preferred the ergonomics, the general riding feel and precision of the pro RMK
Date published: 2019-04-17
Rated 5 out of 5 by from My Scare Bear (19 Axys 850) I am constantly blown away every year by the small improvements made to the Axys. I have been honoured to play a small part in the Polaris family for the last four years and every years sled has always been the best sled I have ever ridden. This year the big changes were the 850 motor and the new react front end. The power and nimbleness of this sled is nothing short of amazing. This sled stock felt like riding a mod sled. There is no comparison in my mind to not only the previous 800 but all other sleds from the other OEM’s. I can’t wait to change it up with the new Khaos next year! Thru this season I was able to get a little over 100 riders to test the new Patriot 850 and other than two very biased riders everyone raved about it and several have snow checked for the fall!
Date published: 2019-04-20
Rated 4 out of 5 by from Weapon of choice for the backcountry It’s a sweet ride although it needs work to refine it on the clutching /not quick enough on the back shift down so must buy helix springs and carbon cover , front shock rebound Is hard to manage from pow carving to sending it when a sweet hit is right in front of u and there no time to stop my flow to play with shocks (bigger rubber bumper maybe) , A arms still look like week sauce and I will have to buy Zbroz to have confidence and round bars to shed of snow and ice as the Polaris ones are square ,had to buy cfr bars to get rid of the harsh spring like flex on the protapers noddles , engine could have hand more power The 850 still left me thinking about a bd turbo one day as my dialed in 800 ripped just as good ,I can’t chop my tunnel like burandt hope polaris make a kit for me that a dealer ship can put on right
Date published: 2019-04-18
Rated 5 out of 5 by from Such a fun sled!! I got the chance to snowcheck an 850 Pro RMK 3" last season and i gotta say i dont regret it one bit!! This sled has been an absolute animal and every mountain and tree line i have tackled with ease, it is seriously the most fun ive ever had on a sled! The power delivery is smooth and easy to manage but at the same time pulls like a freight train! The chassis mixed with the engine is seriously a force to be reckoned with. Simply put, WAY TO MUCH FUN!
Date published: 2019-04-17
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Customer Reviews
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Take the Line That Sets You Apart

The PRO-RMK® 163 is the lightest, strongest, most flickable deep snow sled on the market. The world's best mountain sled features the industry's best power-to-weight ratio to give the rider instantaneous lift and immediate response.

Power for Any Terrain

The engine is the heart of your ride, and we have the best two-stroke lineup available. Led by our SnowCheck Exclusive 850 Patriot™ engine with industry leading power to weight ratio, coming in second is never a worry.

Learn More about Snowmobile Engines Learn More
850 Patriot Engine
Learn more about 850 Patriot 850 Patriot™
800 Cleanfire
Learn more about 800 Cleanfire® H.O. 800 Cleanfire®  H.O.
600 Cleanfire Engine
Learn more about 600 Cleanfire® 600 Cleanfire®
Instantaneous Lift

The combination of the raised and lightweight AXYS® chassis, a powerful Polaris® engine, and the Polaris-exclusive track designs pop the PRO-RMK® 163 on top of the snow.

Rider Balanced® Control

The AXYS® platform features Rider Balanced® positioning that delivers ultimate control for the rider for precise, effortless sidehilling.

Immediate Response

The world's best mountain sled is built to be the lightest and most rigid, making it incredibly responsive to rider inputs. This allows you to change direction and maneuver confidently in all conditions.