Segment:
High-performance mountain snowmobile
Target User:
Enthusiast riders, backcountry explorers, and competitive riders seeking advanced off-trail capability
Key Competitors Segment:
Ski-Doo Summit, Arctic Cat M-Series, Yamaha Nytro MTX
Vehicle Focus:
Deep snow capability, agility, power-to-weight ratio
Manual Value Proposition:
Provides essential knowledge for maintaining peak performance and longevity of a specialized snowmobile
Engine:
Complete engine overhaul, troubleshooting, tuning, cooling system, lubrication system, fuel system, ignition system, exhaust system
Drivetrain:
Clutching, chaincase, drive axle, driven axle, track system, suspension components
Electrical:
Wiring diagrams, ignition system, lighting, charging system, controls, sensors
Chassis:
Frame, handlebars, steering system, seat, body panels, plastics
Brakes:
Hydraulic brake system, caliper, master cylinder, brake lines, braking components
Suspension:
Front and rear suspension systems, shock absorbers, springs, control arms, linkages
Maintenance:
Regular scheduled maintenance, lubrication points, fluid changes, filter replacement, spark plug service
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault finding guides
Repair:
Step-by-step instructions for component disassembly, repair, reassembly, and replacement
Diagnostics:
Detailed diagnostic trees and flowcharts for identifying system faults
Depth:
Comprehensive factory-level technical information, suitable for professional technicians and advanced DIY enthusiasts
Scope:
Covers everything from basic adjustments to complete engine and chassis rebuilds
Engine Type:
2-stroke, liquid-cooled, parallel twin cylinder
Bore X Stroke Mm:
Not specified in product info, but typical for 700cc twin
Carburetion:
Dual Mikuni VM40 or similar (specific model not provided)
Horsepower Hp Approx:
Around 135-140 HP (typical for this era and configuration)
Torque Ft Lbs Approx:
Not specified in product info
Fuel Type:
Unleaded gasoline, minimum 87 octane (check manual for exact recommendation)
Fuel Tank Capacity Liters:
Likely around 10-12 gallons (approx. 38-45 liters)
Cooling Type:
Liquid-cooled
Oil Type Recommendation:
2-stroke synthetic blend oil, specifically designed for liquid-cooled Polaris engines (refer to manual for exact specification/part number)
Ignition System:
CDI (Capacitor Discharge Ignition)
Exhaust System:
Dual exhaust pipes with silencer
Transmission Type:
CVT (Continuously Variable Transmission) with Polaris P-85 drive clutch and P-90 secondary clutch
Gear Ratios:
Variable, managed by CVT system (specific ratios for clutches not provided in product info)
Drive System:
Arctic Drive System (ADS) with chaincase
Chaincase Oil:
Specific gear oil type and capacity (refer to manual for details)
Dashboard Display:
Analog speedometer, tachometer, coolant temperature gauge, fuel gauge, and indicator lights.
Reverse Gear:
Mechanical or electronic reverse assist (specific system not detailed in product info).
Charging System:
Stator and rectifier for charging the battery.
Oil Change Interval:
Refer to manual for specific intervals for engine oil and chaincase oil.
Spark Plug Replacement:
Typically every 100-150 hours or as recommended by the manual.
Clutch Maintenance:
Regular inspection and cleaning of primary and secondary clutches, belt inspection and replacement.
Coolant Type:
Specific antifreeze/coolant mixture for liquid-cooled engines (refer to manual for type and ratio).
Chaincase Fluid Type:
Specific gear lubricant designed for extreme cold and high torque applications (refer to manual for exact specification, e.g., Polaris Premium Synthetic Gearcase Lubricant).
Common Wear Items:
Drive belts, carbides, sliders, hyfax, shock seals, and engine seals can be common wear items depending on usage.
Tuning Considerations:
Proper clutch calibration and jetting are critical for optimal performance in varying altitudes and snow conditions, detailed in the manual.
Brand History Summary:
Polaris is a long-standing American manufacturer known for its pioneering work in snowmobiles, ATVs, and off-road vehicles.
Rmk Series Evolution:
The RMK (Ride More Knowledgeably) series has consistently focused on mountain riding, evolving with longer tracks, lighter chassis, and more powerful engines to meet the demands of backcountry riders.
Production Location:
Polaris vehicles are typically manufactured in the USA.
Industry Recognition Historical:
Polaris RMK models have historically been recognized for their innovation and performance in the mountain segment.
Owner Satisfaction General:
Polaris generally receives good ratings for its performance-oriented snowmobiles.