Specs
- New or used
- Used
- Availability
- In stock
- Colour
- Black Pearl / Indy Red
- Available colours
- Black Pearl / INDY Red Plum Crazy / Sky Blue White Lightning / INDY RedManufacturer spec
- Displacement
- 840 ccManufacturer spec
- Cylinders
- 2Manufacturer spec
- Cooling
- Liquid-cooledManufacturer specDealer: Liquid
- Mileage
- 1,481 mi
- Dry weight
- 433 lbManufacturer specDealer: Estimated Dry - 433 lb. (196 kg)
- Fuel capacity
- 11.5 galManufacturer specDealer: 11.5 gal. (43.5 l)
- Model code
- S20EFN8RS
- VIN
- SN1EFN8R7LC706581
- Stock #
- UP6642
All details from the dealer (25)
- Model Type
- Mountain: RMK
Immediate Response
- ALUMINUM OVER STRUCTURE AND REAR BUMPER
- Designed for enhanced durability.Manufacturer spec
Dimensions
- Length
- Overall - 131 in. (332.75 cm)Manufacturer spec
- Height
- Overall - 49.1 in. (124.7 cm)Manufacturer spec
- Width
- Overall - 43.5 in. (110.5 cm)Manufacturer spec
Engine & Drivetrain
- Bore x Stroke
- 85 x 74 mmManufacturer spec
- Fuel System
- Cleanfire InjectionManufacturer spec
- Starting
- Manual PullManufacturer spec
- Ignition
- Patriot™ 3DSManufacturer spec
- Drive System
- ChaincaseManufacturer spec
- Drive Clutch
- P-85Manufacturer spec
- Driven Clutch
- TEAM LWTManufacturer spec
- Reverse
- PERCManufacturer spec
- Exhaust
- Single, 3 Stage VES with Smart ActuatorManufacturer spec
- Brakes
- AXYS RMK LWTManufacturer spec
Operational
- Handlebar
- Low-Rise ProTaperManufacturer spec
- Instrumentation
- Polaris® MessageCenterManufacturer spec
- Seating or Rider capacity
- PRO-LITEManufacturer spec
- Skis
- GripperManufacturer spec
- Ski Stance
- 36 - 37 - 38 in (91.4 - 93.9 - 96.5 cm)Manufacturer spec
- Track Type
- Series 7Manufacturer spec
- Track LxWxH
- 155 x 15 x 3.0 in.Manufacturer spec
Other
- Includes
- Hand & Thumb Warmers - Adjustable Windshield - AXYS Low 7 in. BlackManufacturer spec
Suspension
- Front Suspension
- AXYS RMK React™ Travel - 9 in. (22.9 cm)Manufacturer spec
- Rear Suspension
- RMK KHAOS Travel - 16 in. (40.6 cm)Manufacturer spec
From the dealer's page
This vehicle is sold AS IS, no warranty expressed or implied. Engelhart, Inc. assumes no responsibility for any repairs regardless of any oral statements about the vehicle. The SnowCheck-Exclusive 850 RMK® KHAOS® 155 - powered by the Polaris® 850 Patriot™ engine - offers the best power-to-weight ratio. Engelhart Motorsports in Madison, WI – Proudly serving the Midwest since 1968! Your ultimate destination for ATV, UTV, snowmobile and motorcycle enthusiasts around the Madison, Milwaukee, Janesville, Platteville, La Crosse areas and beyond! We offer a comprehensive selection of top brands including Polaris, Can-Am, Honda, Yamaha, CFMoto, Indian Motorcycles, Slingshot, and Royal Enfield. Enjoy peace of mind with our unmatched industry leading CPO (Certified Pre-Owned) warranty: 45-day/1000-mile on-road and 30- day/300-mile off-road. Our expertly trained technicians in our service center are dedicated to keeping you riding safely. Plus, our parts department stocks everything you need for safety, maintenance, and beyond. Start your journey with us today!
Price history
Tracked since Oct 10, 2026 · last checked 4h ago
Price details as printed by the dealer
- Price$8,990
- Documentation Fee+ $299
- Engelhart Sports Center (this listing)
Prices as listed by dealers; auction results labelled; a dashed gap = no listed price.
Timeline
First seen
Oct 10, 2026
Market context
Comp set: 2018–2022 Polaris 850 RMK KHAOS 155 SC 3 in. · 1 listing
LIMITED DATANot enough comparable listings for a median yet.