Market Segment:
Performance-oriented mountain snowmobile, designed for deep snow riding and aggressive backcountry terrain.
Competitors 2008:
Arctic Cat M-Series, Ski-Doo Summit, Yamaha Nytro Mountain.
Rmk Design Philosophy:
Lightweight chassis, aggressive track and suspension for mountain climbing, rider-forward ergonomics.
Manual Value Proposition:
Provides comprehensive diagnostic, repair, and maintenance information enabling owners and technicians to maintain optimal performance and longevity of the snowmobile.
Engine Systems:
Cooling system, lubrication system, fuel system (carburetion), ignition system, starting system, exhaust system, engine mechanical (disassembly, assembly, torque specifications).
Drivetrain Systems:
Clutch system (primary and secondary), drive chain, chaincase, differential (if applicable), track system.
Chassis Systems:
Suspension (front and rear), steering system, skis, handlebars, seat, tunnel, chassis components.
Electrical Systems:
Ignition system, lighting, battery, charging system, starter motor, wiring diagrams, diagnostic codes (DTCs).
Bodywork And Plastics:
Body panel removal and installation, plastic components, decals.
Maintenance Procedures:
Routine maintenance checks, lubrication, fluid changes, filter replacements, clutch inspection and adjustment.
Repair Procedures:
Engine overhaul, transmission service, suspension repair, steering linkage replacement, electrical component troubleshooting and replacement.
Troubleshooting Guides:
Diagnostic procedures for common issues, symptom-based troubleshooting, diagnostic trouble codes (DTCs) and their meanings.
Disassembly And Assembly:
Step-by-step instructions for disassembling and reassembling major components and sub-assemblies.
Depth:
Comprehensive, covering from basic owner maintenance to in-depth engine rebuilds and complex electrical diagnostics.
Engine Type:
2-stroke, liquid-cooled
Engine Displacement:
599cc
Bore X Stroke:
72.0 mm x 73.0 mm
Cylinder Arrangement:
Parallel twin
Ignition System:
CDI (Capacitor Discharge Ignition)
Horsepower Estimated:
Approximately 125-130 hp (manufacturer data not explicitly provided, based on typical Polaris 600 Liberty engine output for this era).
Cooling System:
Liquid-cooled
Carburetor Type:
Mikuni VM34
Fuel Type:
Unleaded gasoline, 91 octane (AKI) recommended.
Oil Injection System:
Yes, Polaris Autolube system.
Oil Type Injection:
Polaris 2-Cycle Oil, or equivalent API-TC certified synthetic 2-stroke oil.
Transmission Type:
CVT (Continuously Variable Transmission) with Polaris P-85 Drive Clutch and P-90 Primary Driven Clutch.
Gear Ratios:
Clutch calibration is specific to model and intended use; manual will detail calibration adjustments.
Drive System:
Chain drive, enclosed chaincase.
Chaincase Oil Type:
Polaris Chaincase Lubricant, or SAE 80W-90 GL-4 gear oil.
Chaincase Oil Capacity:
Approximately 10 oz (300 ml).
Safety Standards:
Compliant with applicable US and Canadian snowmobile safety standards.
Braking System:
Hydraulic disc brake with vented rotor.
Throttle Safety:
Thumb throttle with safety detent/return spring.
Kill Switch:
Engine kill switch located on handlebar.
Hand Warmers Throttle Warmers:
Standard feature for rider comfort and safety in cold conditions.
Instrument Panel:
Digital/analog gauge cluster including speedometer, tachometer, fuel gauge, coolant temperature gauge, and indicator lights.
Lighting:
Halogen headlight system for visibility.
Diagnostic Port:
Diagnostic port for accessing engine codes and diagnostic data, as detailed in the manual.
Oil Change Interval:
Recommended at the beginning of each season and/or based on operating hours/mileage; detailed in manual.
Spark Plug Replacement:
Typically every 2,000-3,000 miles or as specified by spark plug manufacturer/Polaris recommendations. Manual will provide exact part number and gap.
Clutch Service:
Regular inspection of drive and driven clutches, belt condition, and roller wear. Clutch calibration checks as needed.
Chaincase Oil Change:
Recommended every 1,000-2,000 miles or annually. Manual will provide specific interval.
Coolant Type:
Ethylene glycol-based antifreeze, mixed 50/50 with distilled water. Manual will specify type and capacity.
Brake Fluid Type:
DOT 4 hydraulic brake fluid.
Common Wear Items:
Drive belts, suspension bushings, skis (wear bars), track components, clutch rollers.
Potential Engine Concerns:
Carburetor tuning may require adjustment based on altitude and temperature. Proper pre-mix ratios and high-quality oil are crucial for engine longevity.
Polaris Heritage:
Polaris has been a pioneering force in the snowmobile industry since the 1950s, known for innovation and performance-oriented vehicles.
Rmk Lineage:
The RMK (Ridgeline Mountain) line has evolved over decades to become a benchmark for mountain riding, with continuous improvements in chassis design, suspension travel, and engine performance.
Manufacturing Location:
Polaris snowmobiles are primarily manufactured in the United States.