The 2008 Polaris Dragon RMK 155 is a high-performance snowmobile engineered for aggressive riding and deep snow exploration. This model features the robust Liberty 700cc liquid-cooled twin-cylinder engine, delivering approximately 135-140 horsepower. Its design emphasizes rider control and agility in challenging backcountry terrain, incorporating Polaris' rider-forward chassis, Variable Assistant Steering (PVAS), and a specialized long-travel suspension with a 155-inch track. The Dragon RMK 155 competed in the premium mountain snowmobile segment, known for its power-to-weight ratio and advanced features. This comprehensive factory service manual provides complete repair and diagnostic information for the 2008 Polaris Dragon RMK 155 snowmobile. It covers all essential systems, including the engine, fuel, ignition, drive, suspension, steering, electrical, body, chassis, cooling, track, and brakes. Detailed procedures for routine maintenance, troubleshooting, component removal and installation, engine rebuilds, clutch service, and electrical diagnostics are included. The manual is designed to assist owners, mechanics, and technicians in maintaining and repairing the vehicle to factory standards, offering in-depth technical data and specifications. 🏷️ Basic Information Identification Make: Polaris Model: Dragon RMK 155 Year: 2008 Product Type: Snowmobile Codes Engine Code: 700 👋 Introduction Market Position Market Position: The Polaris 700 Dragon RMK 155 (2008) was positioned as a high-performance mountain snowmobile designed for aggressive riding and deep snow exploration. Competitive Analysis Competitive Analysis: Competed against other premium mountain snowmobiles from manufacturers like Ski-Doo (Summit series) and Arctic Cat (M-series) in the 2008 model year, emphasizing power-to-weight ratio and advanced suspension for backcountry terrain. Key Features Key Features: Liberty 700cc liquid-cooled twin-cylinder engine, Polaris' rider-forward chassis design for improved handling and control in technical terrain, Polaris Variable Assistant Steering (PVAS), RMK-specific long-travel suspension with deep snow track (155-inch length). 📋 Manual Details Coverage Areas Coverage Areas: Complete factory service and repair Page Count Page Count: Hundreds of pages (specific number not provided in product info, but implies comprehensive) Manual Type Manual Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Systems Covered: Engine, Fuel System, Ignition System, Drive System (Clutch, Chaincase), Suspension (Front & Rear), Steering, Electrical System, Body & Chassis, Cooling System, Track System, Brakes Procedures Included Procedures Included: Routine Maintenance, Troubleshooting, Diagnostic Procedures, Component Removal & Installation, Engine Rebuild, Clutch Adjustment & Service, Suspension Alignment & Repair, Electrical System Diagnosis, Chassis Inspection & Repair, Torque Specifications, Specifications and Data Technical Depth Technical Depth: Comprehensive factory-level repair and diagnostic information suitable for professional technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Quality: High-resolution, printable pages (implied by factory manual) Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 700 Liberty Twin Engine Configuration: Liquid-cooled, 2-stroke, 2-cylinder Displacement: 698 cc (42.6 cu in) Performance Horsepower Approximate: Approximately 135-140 hp (specific output varies by tuning and conditions) Bore X Stroke: 72.1 mm x 68 mm (2.84 in x 2.68 in) Fuel System Fuel Delivery: MIKUNI VM40 (or similar EFI system, manual would clarify exact type) Fuel Type Recommended: 87 Octane Unleaded Gasoline (check manual for exact spec) Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) Cooling System Cooling Method: Liquid Cooling 🔧 Transmission Standard Transmission Type: CVT (Continuously Variable Transmission) Clutch System: Polaris P-85 Primary / Arctic (or Polaris) Roller Secondary Features Drive System: Chaincase with Hyvo chain Gear Ratios: Specific gear ratios for low and high range would be detailed in the manual. Drive Chain Oil: Specific SAE viscosity and type detailed in manual, typically a dedicated chaincase oil. 📐 Dimensions Exterior Track Length: 155 inches Track Width: 15 inches Lug Height: 2.25 inches (standard for RMK deep snow models) Weights Dry Weight Approximate: Around 450-470 lbs (specific to configuration) Fuel Capacity: Approximately 10.2 gallons 🛡️ Safety Features Ratings Safety Ratings: N/A (Snowmobiles are not typically crash-tested or rated by agencies like NHTSA; safety relies on design and rider operation). Active Features Active Safety Features: Hydraulic Disc Brake system, Polaris Variable Assistant Steering (PVAS) for reduced steering effort. Passive Features Passive Safety Features: Handlebar and riser design for rider control, integrated lighting system. 💡 Technology Features Infotainment Infotainment Features: Basic dashboard instrumentation: speedometer, tachometer, odometer, trip meter, engine temp/warning lights, fuel level. No advanced infotainment systems typical of modern vehicles. Driver Assistance Driver Assistance Features: Polaris Variable Assistant Steering (PVAS) is a key technological feature aiding rider control. Connectivity Connectivity Features: N/A (No electronic connectivity features). 🔧 Maintenance Service Intervals Initial Break In Service: Typically around 20-50 hours or 250-500 miles, involving initial checks and adjustments. Detailed in manual. Regular Maintenance Intervals: Includes checking/adjusting drive belts, lubricating chassis points, inspecting suspension components, checking chaincase oil, spark plug service, etc., typically every 50-100 hours or annually. Specific intervals detailed in manual. Engine Oil Change Interval: 2-stroke engines typically do...