Segment:
High-performance mountain/backcountry snowmobile, designed for aggressive riding in deep snow and challenging terrain.
Competitors 2007:
Competed with other premium mountain snowmobiles from manufacturers like Ski-Doo (Summit series), Arctic Cat (M-Series), and Yamaha (Phazer MTX, Vector Mountain).
Model Focus:
RMK (Rhino Mountain King) platform emphasizes lightweight design, agile handling, and superior flotation for deep snow capability.
Engine Variant:
The 'HO' designation signifies a higher output version of the 700cc Liberty twin, tuned for increased horsepower and responsiveness.
Dragon Trim:
The 'Dragon' trim typically indicates a premium package with enhanced graphics, suspension tuning, and potentially exclusive features for that model year.
Primary Coverage:
Comprehensive service and repair for the 2007 Polaris 700 HO RMK Dragon snowmobile.
Secondary Coverage:
Maintenance procedures, troubleshooting, diagnostics, electrical systems, engine overhaul, chassis components, suspension, and track systems.
Estimated Pages:
Approximately 300-500 pages (typical for comprehensive service manuals).
Type:
Service Repair Manual
Engine:
Detailed coverage of the 700 HO twin-cylinder, liquid-cooled Liberty engine, including disassembly, assembly, top-end and bottom-end components, fuel system, ignition system, cooling system, and lubrication.
Drivetrain:
Coverage of the PVT (Polaris Variable Transmission) system, including belt inspection and replacement, drive clutch, driven clutch, and chaincase operation and maintenance.
Suspension:
In-depth information on the RMK (Rhino Mountain King) front and rear suspension systems, including shock absorber servicing, spring adjustments, shock calibration, and component wear checks.
Electrical:
Complete electrical system diagnostics, including wiring diagrams, component testing, stator, regulator/rectifier, battery charging system, lighting, and accessory circuits.
Chassis And Body:
Frame integrity, body panel removal and installation, seat, handlebars, skis, and track system servicing.
Maintenance:
Routine maintenance tasks such as oil changes, spark plug replacement, air filter cleaning/replacement, drive belt inspection, chaincase lubrication, and coolant checks.
Repair:
Step-by-step instructions for component repair and replacement, including engine rebuilds, transmission servicing, suspension component replacement, and electrical system troubleshooting.
Troubleshooting:
Diagnostic trees and procedures for identifying and resolving common performance issues, starting problems, and system malfunctions.
Specifications And Tolerances:
Detailed technical specifications, including torque values, clearances, fluid capacities, and component tolerances required for proper assembly and operation.
Depth:
Comprehensive, covering everything from basic pre-ride checks and routine maintenance to complete engine overhauls and advanced diagnostic procedures. Suitable for both novice DIY mechanics and experienced technicians.
File Type:
PDF (Portable Document Format)
Searchability:
Typically searchable text for quick information retrieval, provided the PDF is not image-based.
Printability:
Designed to be printable, allowing users to create hard copies for workshop use.
Binding Type:
N/A (Digital PDF format)
Paper Type:
N/A (Digital PDF format)
Engine Type:
Polaris Liberty 700 HO Twin
Configuration:
Two-stroke, liquid-cooled, parallel-twin cylinder
Bore X Stroke:
80 mm x 68 mm (typical for this engine family, confirm in manual)
Horsepower Estimate:
Approximately 130-140 HP (HO variant often tuned higher).
Cooling System:
Liquid-cooled with thermostat control and a front heat exchanger.
Induction:
Carbureted (likely dual Mikuni VM38 or similar).
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended).
Type:
Digital CDI (Capacitor Discharge Ignition) with variable timing.
Type:
Polaris Variable Transmission (PVT) - CVT (Continuously Variable Transmission)
Clutches:
Engagement clutch (primary) and driven clutch (secondary) with variable ratios for optimal power delivery across different speeds.
Gear Reduction:
Chaincase with fixed gear reduction for forward motion.
Clutch Calibration:
Clutch calibration (weights, springs, helix) is critical for optimal performance in varying altitudes and snow conditions; the manual will detail stock settings and potential tuning options.
Chaincase Oil:
Specific gear oil type and viscosity (e.g., Polaris AGL or equivalent, consult manual for exact specification).
Track Length:
Likely 136 inches or 144 inches for RMK models, designed for deep snow traction.
Track Width:
Typically 15 inches.
Lug Height:
Aggressive lug pattern, often 2 inches or more for deep snow capability.
Ski Stance:
Adjustable or fixed ski stance to optimize handling and stability in various conditions.
Dry Weight:
Typically around 450-500 lbs (dry weight, varies with features and fluids).
Industry Standards:
Compliant with applicable ANSI/ROHVA standards for snowmobile safety.
Throttle Safety:
Thumb throttle with return spring and safety interlock mechanism.
Braking System:
Hydraulic disc brake system with a handlebar-mounted lever.
Emergency Stop:
Lanyard (kill switch) to shut off the engine if the rider becomes detached.
Visibility:
Headlight, taillight, and brake light for visibility.
Gauge Cluster:
Digital or analog gauge cluster providing speed, RPM, fuel level, coolant temperature, and basic warning lights.
Throttle Control:
Ergonomic thumb throttle for precise speed control.
Accessory Power:
Typically includes a 12V accessory outlet for charging devices or powering accessories like GPS units.
Initial Service:
Break-in service typically recommended between 500-1000 miles or specific hours, involving engine checks and initial adjustments. Consult manual for exact break-in procedure.
Oil Change:
Engine oil change intervals depend on usage, but typically every 1000-1500 miles or annually. Pre-mix or oil injection system checks are crucial.
Drive Belt Inspection:
Regular inspection (every 500 miles or annually) for wear, cracks, and proper tension is critical to prevent drive system failure.
Chaincase Lubrication:
Chaincase oil change recommended every 1000-1500 miles or annually. Checking oil level is a frequent maintenance task.
Engine Oil:
Specific 2-stroke synthetic blend oil for oil injection systems. Manual will specify Polaris branded oil or equivalent. Do NOT use straight 2-stroke oil for injection systems unless specified.
Coolant:
Ethylene glycol-based antifreeze mixture, typically a 50/50 blend with distilled water. Manual will specify type and capacity.
Chaincase Oil Spec:
As per manual, likely a high-quality synthetic gear oil (e.g., SAE 80W-90 or similar). Polaris AGL is a common specification.
Clutch Overheating:
In deep snow or high-load conditions, CVT overheating can lead to belt slippage and premature wear. Proper clutching and belt maintenance are key. Manual provides diagnostic steps.
Engine Cooling:
Blockages in the cooling system (heat exchangers, hoses) can lead to overheating. Regular flushing and inspection are recommended. Manual covers system flushing.
Suspension Wear:
Wear in shock bearings, bushings, and ball joints is common with heavy use. Regular inspection and lubrication are advised. Manual details component wear limits.
Polaris Legacy:
Polaris Industries, founded in 1954, is a leading manufacturer of powersports vehicles, with a strong heritage in snowmobile innovation and performance.
Rmk Lineage:
The RMK line has been a cornerstone of Polaris's mountain snowmobile offerings for decades, continuously evolving with chassis and engine technology to meet the demands of backcountry riders.
Model Year Context:
The 2007 model year falls within a period of significant development in snowmobile suspension and engine technology, with manufacturers pushing for lighter weights and increased power-to-weight ratios.
