Segment:
        
        
            Trail/Performance Crossover Snowmobile
        
     
    
    
        
            Competitors:
        
        
            Arctic Cat (e.g., M Series, Z1), Ski-Doo (e.g., Summit, MXZ), Yamaha (e.g., Nytro, Phazer)
        
     
    
    
        
            Platform Focus:
        
        
            Versatility for trail riding and occasional off-trail exploration, often emphasizing a balance of power and comfort.
        
     
    
        
            Transmission Type:
        
        
            CVT (Continuously Variable Transmission) with Polaris' proprietary P-85/P-90 primary and TEAM TSS-04 secondary clutches.
        
     
    
        
            Suspension Design:
        
        
            Pro-Ride front suspension and an independent rear suspension (IFS) with a 136-inch track length, offering a balance of bump absorption and control.
        
     
 
    
    
    
        
            Engine System:
        
        
            Detailed diagnostics, overhaul, tuning, lubrication, cooling, fuel system, ignition system
        
     
    
        
            Powertrain:
        
        
            Drive clutch, driven clutch (primary and secondary), belt inspection and replacement, gearbox, chaincase, driveshaft, track system
        
     
    
        
            Suspension And Steering:
        
        
            Front and rear suspension components, shock absorbers, springs, bushings, skis, steering system, linkage
        
     
    
    
        
            Electrical:
        
        
            Ignition system, charging system, lighting, instrumentation, wiring diagrams, starter system
        
     
    
    
        
            Chassis Body:
        
        
            Frame inspection, body panel removal and installation, seat, handlebars, controls
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance tasks, lubrication, inspections, adjustments
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts for common problems, electrical and mechanical fault finding
        
     
    
        
            Repair:
        
        
            Step-by-step instructions for component disassembly, repair, and reassembly
        
     
    
        
            Specifications:
        
        
            Torque specifications, clearances, fluid capacities, electrical specifications
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering basic to advanced repair and diagnostic procedures for certified technicians and experienced DIY users
        
     
 
    
    
    
    
    
        
            Print Quality:
        
        
            High-quality paper, clear diagrams, and text (typical of factory manuals)
        
     
    
    
        
            Binding:
        
        
            Stapled or perfect bound, designed for durability in a workshop environment
        
     
    
    
        
            Paper Type:
        
        
            Durable paper stock, often glossy for diagrams and schematics
        
     
 
    
    
    
        
            Engine Type:
        
        
            2-stroke, Liquid-Cooled, Parallel-Twin
        
     
    
        
            Engine Displacement:
        
        
            599cc
        
     
    
        
            Bore X Stroke:
        
        
            73.0 mm x 72.0 mm
        
     
    
        
            Ignition System:
        
        
            Digital CDI with high-output ignition coil
        
     
    
    
        
            Horsepower:
        
        
            Approximately 125 HP (estimated, exact figures can vary slightly)
        
     
    
        
            Cooling System:
        
        
            Liquid-cooled
        
     
    
    
        
            Fuel Delivery:
        
        
            Carbureted (typically Mikuni VM34 or similar) or EFI (Electronic Fuel Injection) depending on exact sub-model/market.
        
     
    
        
            Fuel Type:
        
        
            Premium Unleaded Gasoline (91 octane or higher recommended)
        
     
    
        
            Oil Mixture:
        
        
            2-stroke oil injection system (Polaris Synthetic 2-Stroke Oil recommended)
        
     
 
    
    
    
        
            Transmission Type:
        
        
            CVT (Continuously Variable Transmission)
        
     
    
        
            Primary Clutch:
        
        
            Polaris P-85 or similar, with adjustable weights and springs
        
     
    
        
            Secondary Clutch:
        
        
            TEAM TSS-04 or similar, with variable pitch and spring
        
     
    
    
        
            Gearbox Reduction:
        
        
            Chaincase with helical cut gears for quiet and efficient power transfer
        
     
    
        
            Clutch Maintenance:
        
        
            Belt inspection, alignment, and replacement procedures, clutch alignment, cleaning, and recalibration
        
     
    
        
            Gearbox Oil:
        
        
            Hypoid Gear Oil (e.g., Polaris 0W-40 or equivalent)
        
     
 
    
    
    
        
            Safety Standards:
        
        
            Complies with applicable ANSI standards for snowmobiles.
        
     
    
    
        
            Throttle Control:
        
        
            Thumb throttle with safety lockout mechanism.
        
     
    
        
            Braking System:
        
        
            Hydraulic disc brake with ventilated rotor.
        
     
    
        
            Kill Switch:
        
        
            Integrated emergency shut-off cord (tether cord) attached to the rider.
        
     
    
    
        
            Lighting:
        
        
            Headlights, taillight, and brake light for visibility.
        
     
    
        
            Windscreen:
        
        
            Windscreen for rider protection from wind and debris.
        
     
 
    
    
    
        
            Instrumentation:
        
        
            Digital/Analog combination gauge cluster: speedometer, tachometer, odometer, trip meter, fuel gauge, coolant temperature gauge, clock, diagnostic lights.
        
     
    
    
        
            Engine Management:
        
        
            Electronic ignition and potentially EFI offer precise fuel and spark control for optimal performance and emissions.
        
     
    
    
        
            Diagnostic Port:
        
        
            On-board diagnostic capabilities accessible via a diagnostic connector for troubleshooting.
        
     
 
    
    
    
        
            Initial Inspection:
        
        
            First 10 hours or 300 miles (break-in service).
        
     
    
        
            Engine Oil Change:
        
        
            Check 2-stroke oil level regularly; perform filter/oil change on gearbox annually or per manual.
        
     
    
        
            Clutch Maintenance Interval:
        
        
            Inspect belt, clutches, and primary drive system every 50-100 hours or annually.
        
     
    
        
            Spark Plug Replacement:
        
        
            Replace every 100-150 hours or as needed based on inspection.
        
     
    
    
        
            Engine Oil Type:
        
        
            Polaris Synthetic 2-Stroke Oil (or equivalent API TC-W3 rated oil)
        
     
    
        
            Gearbox Oil Type:
        
        
            Polaris 0W-40 Synthetic Gearcase Lube (or equivalent API GL-4)
        
     
    
        
            Coolant Type:
        
        
            Ethylene Glycol-based Antifreeze (e.g., Polaris Premium 2-Stroke Coolant or equivalent)
        
     
    
    
        
            Clutch Wear:
        
        
            Premature belt wear can occur if clutch alignment is off or if incorrect belt is used. Clutch calibration may need adjustment based on riding style.
        
     
    
        
            Suspension Bushings:
        
        
            Wear in suspension bushings can lead to sloppy handling and require periodic replacement.
        
     
    
        
             Carbides:
        
        
            Wear on ski carbides is normal and depends on riding conditions and terrain. Regular inspection and replacement are necessary.
        
     
 
    
    
    
        
            Brand Origin:
        
        
            Polaris Industries Inc., founded in 1954 in Roseau, Minnesota, USA, a pioneer in snowmobile manufacturing.
        
     
    
    
        
            Evolution Context:
        
        
            The 'Shift' designation often indicated a focus on a balance of trail performance and rider comfort, positioned as a versatile option within Polaris' lineup.
        
     
    
        
            Engine Lineage:
        
        
            The Liberty 600 engine platform has been a staple for Polaris, known for its reliability and performance across various models.
        
     
    
    
        
            Production Period:
        
        
            2011 model year.
        
     
 
    
    
    
        
            Industry Awards:
        
        
            Not specifically documented for the 2011 600 Shift 136 model as a standalone award, but Polaris generally recognized for innovation and performance in the snowmobile industry during this era.
        
     
    
    
        
            Consumer Reviews:
        
        
            Generally positive for its class, praised for its smooth ride and capable engine, though often compared to more specialized deep snow or pure trail sleds.