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2019 Polaris 850 Switchback PRO-S 137 Overview, Reviews, Ratings & Specs

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Eugene S | November 20, 2025
The 2019 Polaris 850 Switchback PRO-S 137 is a versatile crossover snowmobile, blending on-trail performance with off-trail capability. Part of Polaris's extensive lineup, it features a dynamic chassis and is known for its powerful 850 Patriot engine. Key trims often include variations like the RMK for deep snow. Its popularity stems from its balanced performance, making it a go-to for riders seeking adaptability.
The Good

The 2019 Polaris 850 Switchback PRO-S 137 excels in exhilarating performance thanks to its potent engine and agile handling. Its comfortable ride and intuitive design appeal to both thrill-seekers and those prioritizing enjoyable journeys. This combination offers strong value for its class.

The Bad

Owners should be aware of potential issues with the clutch system and the Pro-Ride front suspension's durability over rough terrain. Some users have reported electrical gremlins and excessive track wear under aggressive riding conditions, so regular inspections are advised.

2019 Polaris 850 Switchback PRO-S 137: Quick Overview

  • Engine: 850 Patriot, 2-stroke, liquid-cooled

  • Displacement: 849cc

  • Horsepower: Approximately 160 hp (varies slightly with conditions)

  • Fuel Economy: Varies greatly with riding style and terrain, typically in the range of 12-17 MPG.

  • 0-60 mph: Estimated around 3.5-4.5 seconds, depending on track conditions and rider.

  • Towing Capacity: Not applicable for this type of vehicle.

  • Key Trim-Level Features (PRO-S):
    • Chassis: AXYS platform, designed for light weight and rigidity.

    • Suspension (Front): Polaris PRO-RIDE R front suspension with Walker Evans shocks for precise handling and adjustability.

    • Suspension (Rear): Polaris PRO-RIDE R Rear Suspension, often with an articulating 137-inch track for a balance of on-trail grip and off-trail capability.

    • Track: Typically a 137-inch length with various lug heights suitable for mixed terrain.

    • Steering: PRO-TAPER Handlebars for ergonomic control.

    • Brakes: Hydraulic disc brakes.

    • Seat: Contoured seat for rider comfort.

    • Wind Protection: Mid-height windshield.

    • Other: Electric start, reverse, integrated storage.

2019 Polaris 850 Switchback PRO-S 137 Specifications

Vehicle Information
Year 2019
Make Polaris
Model 850 Switchback PRO-S 137
Trim -
Style -
Type Recreational Vehicle
Category Off-Road Vehicle Low Speed Vehicle
Manufacturing Details
Made In United States
Manufacturing City ROSEAU
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine -
Engine Size 0.8L
Engine Cylinders -
Transmission -
Transmission Type -
Transmission Speeds -
Drivetrain -
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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What Problems Does the 2019 Polaris 850 Switchback PRO-S 137 Have?

For the 2019 model year Polaris 850 Switchback PRO-S 137, some frequently reported issues have surfaced among owners. A common concern revolves around the clutch system, with some riders experiencing premature belt wear or clutch engagement issues, especially under demanding use. This can manifest as a loss of power or a burnt belt smell. Another area of discussion is the durability of the Pro-Ride front suspension, particularly when subjected to significant abuse on rough trails. Some owners have reported premature wear or damage to suspension components. Electrical gremlins have also been mentioned by a subset of owners, including intermittent issues with lights, gauges, or sensor malfunctions. While not widespread recalls, these can be frustrating for owners. Long-term reliability concerns often center on the intricate nature of modern snowmobile powertrains and suspensions; meticulous maintenance is key. It's important to note that many of these issues are not exclusive to the 2019 model and can be influenced by riding style, terrain, and maintenance practices. Polaris has a history of issuing service bulletins or minor updates to address common problems, so checking with a dealer for any relevant technical service bulletins (TSBs) is advisable. Owners who push their machines to the limits or ride in exceptionally harsh conditions may encounter these issues sooner than those who ride more moderately. Regular inspection of the track for excessive wear, especially if riding off-trail frequently, is also recommended. Overall, while the 850 Patriot engine is powerful, like any high-performance engine, it requires diligent care to ensure longevity.

How long will the 2019 Polaris 850 Switchback PRO-S 137 last?

Based on owner data and typical maintenance habits, a well-maintained 2019 Polaris 850 Switchback PRO-S 137 can reasonably achieve 5,000 to 10,000 miles or more over its service life. Long-term durability is largely dependent on how aggressively the snowmobile is ridden and the quality of its upkeep. Regular oil changes, clutch maintenance, suspension component checks, and proper storage are crucial. Weaknesses that can emerge over time, as mentioned previously, include potential wear on the clutch system and suspension components if subjected to harsh conditions. However, with diligent care, the robust 850 Patriot engine and the AXYS chassis are known for their resilience, allowing for many enjoyable seasons of riding.

What Technology & Safety Features are Included?

The 2019 Polaris 850 Switchback PRO-S 137 focuses on rider engagement and control rather than extensive digital tech. Built-in features are primarily geared towards functional performance and rider comfort. Standard technology includes a clear digital instrument cluster displaying vital information such as speed, RPM, fuel level, engine temperature, and odometer readings. It also typically features an electric start for convenient ignition and a reverse gear for ease of maneuverability in tight spots.

While not a primary focus for this model, optional accessories available from Polaris can enhance the riding experience significantly. These might include advanced GPS units for navigation, heated grips and thumb warmers for extended comfort in cold conditions, and upgraded lighting systems for improved visibility. Some riders may opt for aftermarket storage solutions or handguards for added protection.

When it comes to driver-assistance and safety, the emphasis is on the vehicle's inherent design and rider control. The PRO-RIDE suspension system, with its adjustable shocks (like Walker Evans on the PRO-S trim), provides a stable and responsive platform, allowing the rider to maintain control over varied terrain. The hydraulic disc brake system offers reliable stopping power. There are no traditional automotive-style driver-assistance systems like ABS or traction control as standard features; these are managed by the rider's skill.

Crash-test ratings are not applicable to snowmobiles in the same way they are for cars, as they are not subject to standardized crash testing by organizations like the NHTSA or IIHS. Safety is paramount, and it relies heavily on rider proficiency, appropriate safety gear (helmet, goggles, protective clothing), and responsible operation of the machine. The design of the handlebars and seating position are ergonomically considered to aid in rider control and reduce fatigue, indirectly contributing to safety.

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2019 Polaris 850 Switchback PRO-S 137 Prices and Market Value

When new, the 2019 Polaris 850 Switchback PRO-S 137 typically had an MSRP ranging from approximately $13,000 to $15,000, depending on specific options and dealer pricing. Currently, on the used market, you can expect prices to range broadly, often between $7,000 and $11,000, heavily influenced by mileage, condition, and any aftermarket upgrades. Snowmobiles generally experience significant depreciation in their first few years, with the rate slowing down afterward. Factors affecting resale value include mileage, overall condition (cosmetic and mechanical), maintenance history, original equipment, and the presence of desirable aftermarket parts. A well-maintained unit with lower mileage will command a higher price than one that has been heavily used or poorly cared for.

2019 Polaris 850 Switchback PRO-S 137 Cost of Ownership

Owning a 2019 Polaris 850 Switchback PRO-S 137 involves moderate to high costs. Insurance will vary based on coverage, location, and rider history, but budget for several hundred dollars annually. Fuel costs depend on usage and riding style, but the 850 engine is thirsty, so expect to spend a significant amount on premium gasoline. Regular maintenance, including oil changes, chaincase lubrication, belt checks, and suspension servicing, is crucial and adds to annual expenses. Repairs can be costly, especially for engine or complex suspension issues. Overall, it's not an economical vehicle to own; it's a performance machine with associated operational and upkeep expenses.

2019 Polaris 850 Switchback PRO-S 137 Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity -
City Mileage -
Highway Mileage -

2019 Polaris 850 Switchback PRO-S 137 Insurance

Insurance for a 2019 Polaris 850 Switchback PRO-S 137 is moderately priced, reflecting its status as a Recreational Vehicle with strong safety ratings and
reasonable repair costs.

How Does the 2019 Polaris 850 Switchback PRO-S 137 Compare to Other Recreational Vehicle?

The 2019 Polaris 850 Switchback PRO-S 137 competes in the popular crossover segment against formidable machines like the Ski-Doo Renegade 850 E-TEC and the Yamaha Sidewinder LTX SE.

Performance: The Polaris 850 Patriot engine is renowned for its brute power and responsiveness, often outgunning rivals in straight-line acceleration. Ski-Doo's 850 E-TEC is also a powerhouse with excellent throttle response and refinement. Yamaha's turbocharged 998cc Sidewinder engine offers immense torque and top-end speed, often exceeding the Polaris in raw power output, though it can be less refined at lower speeds.

Features: The PRO-S trim emphasizes a premium feel with advanced suspension components like Walker Evans shocks, offering excellent adjustability and damping for aggressive riding. Ski-Doo's Renegade often boasts advanced features and rider ergonomics, with its RAS 3 front suspension and rMotion rear suspension providing a comfortable and capable ride. Yamaha's LTX SE typically features a well-balanced suspension and reliable drivetrain, though sometimes lacking the cutting-edge adjustability of its competitors.

Reliability: Historically, Ski-Doo has built a strong reputation for reliability with its E-TEC engines. Polaris has made strides, but some owners report occasional clutch or electrical issues with the 850. Yamaha is known for its bulletproof mechanical reliability, especially with its four-stroke engines, though the Sidewinder's turbo system requires diligent maintenance.

Price: When new, these machines were similarly priced in the premium crossover segment. On the used market, their depreciation curves are comparable, with condition and mileage being the primary determinants.

Recommendations:
If raw power and aggressive trail performance are paramount, the 2019 Polaris 850 Switchback PRO-S 137 is an excellent choice. For riders prioritizing a refined and potent engine with a proven track record of reliability and comfort, the Ski-Doo Renegade 850 E-TEC is a strong contender. For those who crave immense horsepower and top-end speed, and value legendary mechanical durability, the Yamaha Sidewinder LTX SE is a compelling alternative. If budget is a significant concern, exploring slightly older models or trims with less premium suspension might be advisable across all brands.

Final Verdict: Is the 2019 Polaris 850 Switchback PRO-S 137 a Good Recreational Vehicle?

The 2019 Polaris 850 Switchback PRO-S 137 is ideally suited for aggressive trail riders who crave exhilarating acceleration and responsive handling, with the versatility to occasionally venture off-trail. It's worth buying for those seeking a high-performance crossover snowmobile, especially on the used market where it offers significant value. When purchasing used, prioritize units with lower mileage, a thorough maintenance history, and inspect for signs of excessive wear on the clutch and suspension. While brand new units are less common now, if found, they represent the peak of its offering. It's less ideal for novice riders or those primarily focused on extreme backcountry or deep snow riding, who might benefit from more specialized RMK or other dedicated deep-snow chassis. Overall, it's a capable and exciting machine for the discerning, experienced rider.

2019 Polaris 850 Switchback PRO-S 137 Owner Reviews

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Eugene S

Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.