Positioning:
        
        
            High-performance snowmobile for its era, targeting enthusiastic riders
        
     
    
    
        
            Competitors:
        
        
            Arctic Cat, Ski-Doo, Yamaha snowmobiles of the mid-1980s
        
     
    
    
        
            Performance Focus:
        
        
            Emphasis on power delivery, handling, and reliability for trail riding and recreation
        
     
    
    
        
            Target Audience:
        
        
            Polaris dealership technicians, independent repair shops, and knowledgeable owners
        
     
 
    
    
    
        
            Manual Type:
        
        
            Service Repair Manual
        
     
    
    
        
            Specific Models Covered:
        
        
            1986 Polaris 600 models (specific chassis variants like TX, Sport, Indy may be covered under this general designation)
        
     
    
        
            Diagnostic Charts:
        
        
            Includes systematic troubleshooting charts and flow diagrams.
        
     
    
    
        
            Page Count:
        
        
            Extensive (Specific count not provided, implies comprehensive)
        
     
    
    
        
            Format:
        
        
            Print (Originally published by manufacturer)
        
     
 
    
    
    
        
            Engine:
        
        
            Complete engine overhaul, tuning, and component diagnostics
        
     
    
        
            Fuel System:
        
        
            Carburetor adjustment, fuel pump service, fuel lines
        
     
    
        
            Ignition System:
        
        
            Ignition coil testing, CDI unit diagnostics, spark plug specifications
        
     
    
        
            Drive System:
        
        
            Clutch inspection and adjustment (primary and secondary), drive belt replacement, chaincase service
        
     
    
        
            Suspension System:
        
        
            Front and rear suspension adjustments, shock absorber service, ski and track assembly maintenance
        
     
    
        
            Braking System:
        
        
            Brake caliper service, brake fluid replacement, hydraulic system bleeding
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, lighting system troubleshooting, stator and battery service
        
     
    
        
            Cooling System:
        
        
            Radiator and fan service (if applicable), coolant specifications and replacement
        
     
    
        
            Exhaust System:
        
        
            Inspection and maintenance of exhaust pipes and silencer
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, lubrication points, component inspection intervals
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic flowcharts, common problem identification, step-by-step repair guidance
        
     
    
        
            Repair:
        
        
            Complete disassembly and reassembly procedures for all major components
        
     
    
        
            Engine Rebuild:
        
        
            Piston and cylinder service, crankshaft and connecting rod inspection, seal replacement
        
     
    
        
            Chassis Maintenance:
        
        
            Frame inspection, chassis lubrication, and component mounting torque specifications
        
     
    
        
            Bodywork Repair:
        
        
            Repair and replacement procedures for plastic body panels and seats
        
     
    
        
            Clutch Alignment:
        
        
            Detailed procedures for ensuring proper clutch alignment for optimal power transfer and belt life.
        
     
    
    
        
            Depth:
        
        
            Comprehensive (Designed for dealership technicians and certified repairmen)
        
     
    
        
            Diagnostic Tools:
        
        
            Guidance on using basic diagnostic tools and understanding engine performance parameters
        
     
    
        
            Wiring Diagrams:
        
        
            Detailed electrical schematics for troubleshooting the electrical system
        
     
    
        
            Torque Specifications:
        
        
            Comprehensive torque specifications for all critical fasteners and engine components.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Liquid-cooled, 2-stroke, twin-cylinder engine
        
     
    
        
            Displacement:
        
        
            Approximately 593cc (Exact specification may vary slightly by sub-model, but '600' typically denotes this)
        
     
    
        
            Bore X Stroke:
        
        
            Specific dimensions would be detailed in the manual, typically around 72mm x 73mm for a 600cc class engine of that era.
        
     
    
        
            Compression Ratio:
        
        
            Likely in the range of 6.5:1 to 7.5:1, designed for low-octane fuel common at the time.
        
     
    
    
        
            Horsepower:
        
        
            Estimated 70-80 HP (Typical for the era and engine size)
        
     
    
        
            Torque:
        
        
            Not explicitly stated, but designed for strong mid-range power
        
     
    
    
        
            Carburetion:
        
        
            Twin Mikuni carburetors (Common configuration for this era)
        
     
    
    
        
            Ignition Type:
        
        
            CDI (Capacitor Discharge Ignition)
        
     
 
    
    
    
        
            Clutch Maintenance:
        
        
            Regular inspection and cleaning of clutches recommended every 500 miles or annually
        
     
    
        
            Track Tension:
        
        
            Check and adjust track tension before each ride or as per manual guidelines
        
     
    
        
            Spark Plugs:
        
        
            Replace spark plugs based on usage, typically every 2,000-3,000 miles or per manual recommendation
        
     
    
        
            Engine Tune Up:
        
        
            Recommended periodic tune-ups for carburetor synchronization, ignition timing checks, and filter replacements.
        
     
    
    
        
            2 Stroke Oil:
        
        
            High-quality 2-stroke synthetic or semi-synthetic snowmobile oil (Specific API/JASO rating likely specified in manual)
        
     
    
        
            Coolant:
        
        
            Proprietary Polaris coolant or equivalent ethylene glycol-based antifreeze (Specific mix ratio and type likely detailed)
        
     
    
        
            Chaincase Oil:
        
        
            Specific gear oil for chaincases (e.g., Polaris brand or SAE 80W-90)
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4 brake fluid (Manual will specify exact type and specification)
        
     
    
    
        
            Carburetor Icing:
        
        
            Common issue in cold, humid conditions; manual likely offers tuning advice.
        
     
    
        
            Drive Belt Wear:
        
        
            Regular inspection for wear and proper tension is crucial; manual covers belt replacement procedures.
        
     
    
        
            Engine Overheating:
        
        
            Can occur due to cooling system issues; manual details checks for leaks, coolant levels, and fan operation.
        
     
 
    
    
    
        
            Polarishistory:
        
        
            Polaris has a long history in snowmobile manufacturing, dating back to the 1950s, known for innovation and performance.
        
     
    
    
        
            1980S Polaristrend:
        
        
            The 1980s saw Polaris focus on liquid-cooled engines, improved suspension, and rider comfort, with the '600' model representing a significant performance offering.
        
     
    
    
        
            Production Era:
        
        
            Mid-1980s