Segment Positioning:
Targeted at owners and independent technicians seeking in-depth, factory-accurate repair and maintenance information for Polaris FS and FST 4-stroke snowmobiles from the 2006-2008 model years.
Key Advantage:
Provides OEM-level detail, covering complete tear-down and rebuild procedures, which is often missing in generic aftermarket repair guides. The digital PDF format offers instant accessibility.
Content Highlights:
Includes detailed part diagrams, specific torque specifications, step-by-step repair instructions, troubleshooting guides, and maintenance schedules, ensuring accuracy and completeness for service tasks.
Powertrain:
Engine (4-stroke), Fuel System (injection/carburetion), Exhaust System, Cooling System, Ignition System, Drive System (clutching, chaincase, track drive), Transmission (if applicable for models)
Chassis And Body:
Frame, Suspension (front and rear), Steering, Brakes, Body Panels, Seat, Handlebars, Windshield
Electrical:
Wiring Harness, Lighting, Instrumentation, Starting System, Charging System, ECU/ECM, Sensors
Maintenance:
Routine checks, oil changes, filter replacements, spark plug service, clutch maintenance, track adjustment, bearing lubrication, coolant service
Repair And Rebuild:
Complete engine teardown and rebuild, transmission service, clutch overhaul, suspension component replacement, brake system service, electrical system diagnostics and repair
Troubleshooting:
Diagnostic flowcharts, common problem identification, error code interpretation (if applicable), component testing
Depth:
Comprehensive; covers basic maintenance to complete engine rebuilds, including detailed diagrams, torque specifications, and diagnostic procedures
File Type:
Portable Document Format (PDF)
Printability:
High-resolution, designed for clear printing of text, diagrams, and photographs
Binding:
N/A (Digital Download)
Paper Recommendation:
N/A (Digital Download - printing recommended on standard copy paper or a more durable option for shop use)
Engine Type:
4-Stroke Gasoline
Horsepower Range:
Typically between 100-150+ HP, depending on specific FS/FST model and engine configuration (e.g., naturally aspirated vs. turbocharged for FST variants).
Torque Characteristics:
Designed for strong low-end and mid-range torque delivery suitable for snowmobiling conditions, with specific torque figures detailed in the manual.
Injection Type:
Electronic Fuel Injection (EFI) is common for these 4-stroke models, ensuring precise fuel delivery and emissions control.
Cooling Method:
Liquid-cooled, utilizing a radiator, coolant hoses, thermostat, and water pump.
Oil Type Specification:
Requires specific synthetic 4-stroke snowmobile engine oil meeting Polaris' recommendations (e.g., proprietary blends or industry standards like API SJ or higher, SAE 0W-40 or 5W-40 depending on temperature). Consult manual for exact specifications.
Displacement:
Varies by model; common displacements for Polaris 4-stroke engines in this era include 600cc, 700cc, and 750cc-class engines, often derived from Liberty or other Polaris-developed platforms. FST models typically feature turbocharged engines in the 750cc range.
Transmission Type:
Automatic Variable Transmission (CVT) using Polaris' P-85 Drive Clutch and an Automatic Tension Drive (ATD) Driven Clutch.
Gearing Options:
N/A for standard CVT setups; manual will detail gear reduction ratios within the chaincase.
Clutch Service:
Detailed procedures for clutch inspection, cleaning, spring replacement, roller/weight service, and belt replacement, crucial for optimal performance and longevity.
Chaincase Lubrication:
Specification for chaincase lubricant (e.g., Polaris specific or SAE 80W-90 gear oil) and recommended service intervals.
General Layout:
Snowmobile platform with a two-up (FS) or performance-oriented (FST) seating configuration, tunnel, skis, and track system.
Dry Weight:
Dry weights for these models typically ranged from approximately 450-550 lbs (204-250 kg), depending on the specific configuration and features.
Storage Capacity:
Minimal integrated storage, often supplemented by optional racks or bags. Manual will detail any existing storage compartments.
Safety Standards:
Adherence to industry safety standards for snowmobile operation, braking, and rider protection. Manual will detail any specific safety warnings or procedures.
Braking System:
Hydraulic disc brake system, typically with a single caliper and vented rotor, operated by a handlebar lever. Manual will detail brake fluid type (DOT 3 or 4), bleeding procedures, and pad replacement.
Kill Switch And Tether:
Standard safety feature; manual will detail its operation and maintenance.
Body Protection:
Frame integrity, impact-absorbing materials where applicable, and secure mounting of components.
Instrumentation:
Digital/analog gauge clusters displaying speed, RPM, odometer, trip meter, fuel level, coolant temperature, and various warning lights. Manual will detail gauge functionality and troubleshooting.
Efi System:
Electronic Fuel Injection (EFI) with Engine Control Module (ECM) for precise fuel and ignition management, optimizing power, fuel economy, and emissions. Manual provides diagnostic procedures for EFI system faults.
Diagnostic Ports:
If equipped, specific diagnostic connectors for accessing ECM data and fault codes using proprietary diagnostic tools. Manual will guide technicians on accessing this data.
Initial Service:
Typically around 500 miles or 1 year, focusing on break-in oil change and thorough inspection. Manual will specify exact break-in procedure.
Annual Maintenance:
Includes engine oil and filter change, spark plug inspection/replacement, clutch inspection, track alignment and tension check, suspension lubrication, coolant level check, brake inspection.
Major Overhaul Intervals:
Detailed in the manual, often pertaining to engine components, clutch calibration, and drivetrain wear items at higher mileage intervals (e.g., 3000-5000 miles).
Engine Oil Capacity:
Refer to manual for exact capacity, typically around 4-5 quarts (3.8-4.7 liters) for 4-stroke engines.
Coolant Type:
Antifreeze/coolant mixture (typically ethylene glycol-based) with specific freeze protection and corrosion inhibitors, usually a 50/50 mix. Manual will specify the required type and capacity.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid, as specified by Polaris for optimal hydraulic performance and compatibility.
Common Wear Items:
Drive belts (due to heat and stress), clutch rollers/weights, spark plugs, suspension bushings, and potential for turbocharger issues on FST models if not properly maintained.
Maintenance Recommendations:
Strict adherence to scheduled maintenance, especially oil changes and clutch care, is critical for longevity and preventing common failures detailed within the manual.
Polarissnowmobile Legacy:
Polaris is a long-standing American manufacturer of powersports vehicles, with a significant history in snowmobile innovation and production, known for its Liberty engine platforms.
Fs Fst Development:
The FS and FST lines represent Polaris' commitment to 4-stroke technology, offering improved fuel efficiency, cleaner emissions, and quieter operation compared to older 2-stroke models. The FST variants often featured turbocharged engines for enhanced performance.
Manufacturing Origin:
Polaris snowmobiles are primarily manufactured in the United States.
Industry Recognition:
Polaris snowmobiles have historically received positive reviews for performance and innovation in snowmobile publications and industry awards. Specific awards for these model years would depend on consumer and reviewer feedback.
Performance Ratings:
Generally rated well for power delivery, handling, and reliability, particularly the 4-stroke models for their smooth power and efficiency.
