Segment:
Deep powder, mountain-focused snowmobile
Target User:
Enthusiasts and riders seeking performance in off-trail and deep snow conditions
Key Competitors:
Ski-Doo Summit, Arctic Cat M-Series
Chassis Design:
Pro-Ride chassis (Polaris proprietary) optimized for weight distribution and rider-forward ergonomics
Suspension Travel:
Long-travel front and rear suspension for superior off-trail capability
Track System:
Aggressive lug design for deep snow traction, typically 159-inch track length for the RMK
Engine Powerband:
High-output twin-cylinder engine tuned for strong mid-range and top-end power delivery
Engine Service:
Comprehensive engine overhaul, disassembly, assembly, tuning, and troubleshooting
Fuel System:
Carburetor tuning, fuel pump, fuel lines, and fuel tank maintenance
Cooling System:
Radiator, coolant flow, thermostat, and fan system diagnosis and repair
Exhaust System:
Muffler, exhaust pipe, and heat shield inspection and replacement
Drivetrain:
Clutch systems (primary and secondary), drive chain, jackshaft, and final drive maintenance
Suspension:
Front and rear suspension geometry, shock absorbers, skis, and track system service
Steering System:
Handlebar, steering post, tie rods, and steering linkage adjustment and repair
Brakes:
Brake caliper, master cylinder, brake lines, and brake fluid service
Electrical System:
Ignition system, stator, lighting, battery, wiring diagrams, and troubleshooting
Body And Frame:
Panel removal, seat assembly, hood, windshield, and frame inspection
Routine Maintenance:
Oil changes, filter replacements, lubrication, and spark plug service
Troubleshooting Guides:
Diagnostic procedures for common performance issues and component failures
Rebuild Procedures:
Detailed step-by-step instructions for complete engine, transmission, and suspension rebuilds
Adjustment Procedures:
Carburetor synchronization, clutch calibration, and steering alignment
Diagnostic Charts:
Flowcharts and symptom-based diagnosis for electrical and mechanical issues
Wiring Diagrams:
Complete and detailed electrical schematics for all circuits
Depth Level:
Comprehensive: Suitable for professional technicians and advanced DIY enthusiasts
Special Tools:
Lists required special tools for specific repair and maintenance procedures
Searchability:
Text-searchable content for quick information retrieval
Printability:
Designed for printing, allowing users to print sections or the entire manual
Binding:
Digital download (PDF), print-friendly format
Paper Recommendation:
Recommended for printing on durable paper for workshop use
Engine Type:
2-stroke, Liberty engine
Bore X Stroke:
73 mm x 72 mm (Typical for this engine family)
Cooling System:
Liquid-cooled
Ignition System:
CDI (Capacitor Discharge Ignition)
Lubrication:
Oil injection (Polaris PDM - Premix Delivery Module)
Horsepower:
Approx. 125-135 HP (Factory estimate)
Torque:
Not explicitly stated in product info, but expected to be strong in mid-range
Carburetor:
Mikuni VM40 (Typical for this model, verify with manual)
Fuel Type:
Unleaded gasoline (91 octane or higher recommended)
Fuel Capacity:
Approx. 10.2 gallons (38.6 liters)
Drive System:
CVT (Continuously Variable Transmission) - Polaris P-85 Primary / P-90 Secondary Clutch
Gear Ratios:
Variable, dictated by clutch engagement and belt speed
Clutch Calibration:
User-adjustable clutch weights and springs for performance tuning
Drive Chain:
Chaincase with oil, standard gearing for RMK application
Overall Length:
Approx. 126 inches (320 cm) (Varies slightly by track length option)
Overall Width:
Approx. 46 inches (117 cm)
Skis Stance:
Approx. 42.5 inches (108 cm)
Storage Capacity:
Under-seat storage compartment, rack for potential cargo bag attachment
Dry Weight:
Approx. 470 lbs (213 kg)
Crash Testing:
Snowmobiles are not subject to standardized automotive crash testing; safety relies on rider skill and protective gear.
Braking System:
Hydraulic disc brake system with caliper and rotor
Throttle Control:
Thumb throttle with adjustable tension
Rollover Protection:
No integrated rollover protection; rider is exposed.
Protective Gear Recommendation:
Mandatory use of helmet, goggles, appropriate outerwear, and boots
Instrument Panel:
Digital/analog gauge cluster displaying speed, RPM, fuel level, coolant temperature, and indicator lights.
Lighting:
Halogen headlights and taillight for visibility.
Engine Management:
Basic electronic ignition and fuel delivery control, no advanced driver-assistance systems.
Accessories:
Provision for aftermarket accessories such as heated grips, handguards, and storage solutions.
Oil Change:
Refer to manual; typically every 100-150 hours or annually.
Spark Plugs:
Inspect/replace at 100-150 hours or as needed based on performance.
Clutch Inspection:
Regular inspection of primary and secondary clutches for belt wear, roller condition, and spring integrity.
Track Tension:
Check and adjust track tension at regular intervals, especially after initial break-in or heavy use.
Engine Oil:
Polaris 2-stroke synthetic oil (e.g., Polaris VES Oil) for injection system, not mixed with fuel.
Chaincase Oil:
Polaris synthetic chaincase lubricant or equivalent (e.g., 75W-90 GL-4)
Coolant:
Antifreeze/coolant mixture (ethylene glycol based) with appropriate corrosion inhibitors, typically 50/50 mix.
Brake Fluid:
DOT 3 or DOT 4 brake fluid (Verify specific recommendation in manual)
Clutch Belt Wear:
Premature belt wear can occur with aggressive riding or improper clutch alignment/tension. Manual covers belt inspection and replacement.
Carburetor Tuning:
Sensitivity to altitude and temperature changes requiring proper jetting and needle adjustments. Manual provides detailed procedures.
Suspension Bushings:
Wear on suspension bushings can lead to loose handling. Manual details inspection and replacement.
Exhaust Temperature:
High operating temperatures can stress components; proper ventilation and maintenance are crucial. Manual addresses heat management.
Brand Focus:
Polaris is a long-standing American manufacturer known for pioneering snowmobile technology and performance.
Rmk Lineage:
The RMK (Ridgeline Mountain King) line has consistently represented Polaris's commitment to deep powder and mountain riding, evolving from earlier designs to incorporate advanced suspension and lighter chassis.
2007 Model Significance:
The 2007 RMK series benefited from refinements in the Liberty engine and Pro-Ride chassis, further enhancing its reputation for agility and power in challenging terrain.
Manufacturing Location:
Polaris vehicles are primarily manufactured in the United States.
