Polaris Cobra 1978 1979 Service Repair Workshop Manual

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The Polaris Cobra, produced in model years 1978 and 1979, represents a significant offering in the snowmobile market of its era. Known for its robust engineering and reliable performance, the...

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Typ: Snowmobile

Anbieter:

Art.-Nr: 150387

Stichworte: 1978 1979 Cobra Cobra Models Polaris Powersports Snowmobile Snowmobiles

Produktvarianten

Beschreibung

The Polaris Cobra, produced in model years 1978 and 1979, represents a significant offering in the snowmobile market of its era. Known for its robust engineering and reliable performance, the Cobra was designed to meet the demands of recreational riding and exploration. Its lineage as a Polaris product speaks to a heritage of quality and innovation in powersports, making it a sought-after machine for enthusiasts and collectors alike. This model embodies the spirit of adventure and the technological advancements characteristic of late 1970s snowmobile design. This comprehensive Service Repair Workshop Manual provides essential information for maintaining and repairing your Polaris Cobra snowmobile. Covering a wide array of systems including the engine, drivetrain, chassis, and electrical components, it offers detailed procedures for service, repair, troubleshooting, and diagnostics. The manual is intended for owners, independent repair shops, and vintage snowmobile restorers, providing vehicle-specific instructions, diagrams, illustrations, and wiring schematics equivalent to those used by authorized dealer service departments. Its purpose is to empower users with the knowledge to ensure optimal performance, longevity, and cost-effective upkeep of their 1978-1979 Polaris Cobra.

🏷️ Basic Information

Identification

Make:

Polaris

Model:

Cobra

Year:

1978, 1979

Vehicle Type:

Snowmobile

Codes

Manual Product Name:

Polaris Cobra 1978 1979 Service Repair Workshop Manual

👋 Introduction

Market Position

Target Audience:

Polaris Cobra owners (DIY enthusiasts), independent repair shops, vintage snowmobile restorers

Competitive Analysis

Advantage:

Provides manufacturer-specific, detailed repair procedures that are often unavailable in generic repair guides, ensuring accuracy and correctness for vintage Polaris snowmobiles.

Key Features

Feature 1:

Vehicle-specific information, not generic.

Feature 2:

Includes step-by-step instructions, diagrams, and illustrations.

Feature 3:

Wiring schematics for electrical system troubleshooting.

Feature 4:

Specifications and procedures equivalent to authorized dealer service departments.

Feature 5:

Cost savings through DIY maintenance and repairs.

📋 Manual Details

Coverage Areas

Primary Coverage:

Service, Repair, Troubleshooting, Maintenance, Diagnostics

Included Sections:

Engine, Drivetrain, Chassis, Electrical System, Bodywork, Suspension, Tracks, Steering, Fuel System, Cooling System, Braking System, Carburetion, Ignition System, General Maintenance, Specifications, Diagrams, Wiring Schematics

Page Count

Estimated Page Count:

Typically 200-400 pages for a comprehensive service manual of this era

Manual Type

Type:

Service Repair Workshop Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine:

Detailed overhaul procedures, component identification, timing, compression testing, carburetor tuning, ignition system diagnostics, cooling system service

Drivetrain:

Clutch adjustment and replacement (primary and secondary), chaincase lubrication and inspection, track drive system maintenance, tunnel and bogey wheel service

Electrical System:

Wiring schematics, ignition system components (CDI, coil, spark plugs), lighting, starter system (if applicable), battery maintenance

Chassis And Body:

Frame inspection, body panel removal and installation, seat maintenance, hood removal, handlebars and controls service

Suspension And Steering:

Front and rear suspension component inspection and lubrication, shock absorber service, steering linkage adjustment and repair, ski alignment

Procedures Included

Maintenance:

Regular maintenance checks, lubrication points, fluid changes (oil, coolant), filter replacements, track tension adjustment

Repair:

Step-by-step instructions for component removal, installation, and rebuilding of major systems

Troubleshooting:

Diagnostic flowcharts and symptom-based troubleshooting guides for common and uncommon issues

Technical Depth

Depth:

Comprehensive; covers basic owner maintenance to advanced mechanical repairs and diagnostics as performed by dealership technicians

📊 Manual Specifications

File Format

File Type:

Print Quality

Printability:

Yes, individual pages can be printed

Binding Type

Binding:

N/A (Digital PDF)

Paper Type

Paper Quality:

N/A (Digital PDF)

⚙️ Engine Specifications

Primary Engine

Engine Type:

2-stroke, liquid or fan-cooled (specifics depend on sub-model variant of Cobra)

Displacement:

Likely 244cc, 340cc, or 440cc based on typical Polaris engine offerings for this era. Manual will specify exact variants.

Bore X Stroke:

Variable based on displacement; manual will provide exact figures.

Performance

Horsepower:

Varies by engine size; typically in the range of 25-50 HP.

Torque:

Specific values will be detailed in the manual.

Fuel System

Carburetor:

Typically Tillotson or Mikuni constant-vacuum carburetors. Manual will specify model and jetting.

Fuel Type:

Leaded gasoline with appropriate oil pre-mix ratio (e.g., 40:1 or 50:1, manual will specify exact mix).

Ignition System

Ignition Type:

Solid-state CDI (Capacitor Discharge Ignition).

🔧 Transmission

Standard

Type:

Automatic CVT (Continuously Variable Transmission) with Polaris' Torque-Sensing Clutch system.

Optional

Optional Features:

N/A for this model year, CVT was standard.

Features

Clutch Service:

Detailed procedures for primary and secondary clutch disassembly, cleaning, inspection, spring replacement, and weight adjustment.

Chaincase Oil:

Specifications for chaincase lubricant and capacity will be in the manual.

📐 Dimensions

Exterior

Length:

Varies by specific Cobra model, but typical for the era would be around 90-110 inches.

Width:

Varies by specific Cobra model, but typical for the era would be around 30-40 inches.

Weights

Dry Weight:

Typically in the range of 350-450 lbs, depending on engine size and features.

🛡️ Safety Features

Ratings

Crash Test Results:

N/A for snowmobiles from this era; safety focused on rider protection and machine stability.

Active Features

Engine Kill Switch:

Standard tethered kill switch for rider safety.

Braking System:

Hydraulic disc brake or mechanical drum brake; manual will specify component details and service.

Passive Features

Track System:

Aggressive lug design for traction; manual covers track inspection for wear and damage.

💡 Technology Features

Infotainment

Display:

Basic instrument cluster including speedometer, tachometer (optional), and indicator lights.

Driver Assistance

Features:

N/A (Snowmobiles of this era did not feature electronic driver assistance systems).

Connectivity

Features:

🔧 Maintenance

Service Intervals

Oil Change:

Not applicable for 2-stroke pre-mix engines; refers to chaincase oil inspection/change, typically annually or after a set number of operating hours (manual will specify).

Spark Plugs:

Recommended replacement intervals for spark plugs will be provided in the manual based on usage.

Track Tension:

Regular inspection and adjustment as needed for optimal performance and longevity.

Fluid Specifications

Chaincase Oil:

Manual will specify SAE viscosity grade (e.g., SAE 30 or SAE 5W-30) and brand/type recommendations.

Coolant:

For liquid-cooled models, manual will specify type (e.g., ethylene glycol) and mixture ratio with water.

2 Stroke Oil:

Manual will specify the required type of 2-stroke oil for pre-mixing with gasoline (e.g., API-TC certified).

Known Issues

Carburetion:

Carburetor gumming and pilot jet blockage due to fuel sitting; clutch slippage if worn or improperly adjusted.

Engine:

Piston ring wear, exhaust port blockage, and crank seal leaks are common for 2-stroke engines of this age if not maintained.

Track Drive:

Wear on track lugs, idler wheels, and drive sprockets; chaincase seal leaks.

📚 Vehicle History

Brand Heritage

Manufacturer:

Polaris Industries Inc., a long-standing manufacturer of snowmobiles and powersports vehicles.

Model Evolution

Cobra Lineage:

The Cobra was a popular mid-range to performance-oriented snowmobile for Polaris in the late 1970s, known for its styling and handling.

Production

Era Significance:

Represents Polaris' offerings during a competitive period in snowmobile design and technology.

🏆 Awards & Recognition

Recognitions

Industry Standing:

Polaris snowmobiles were well-regarded for their engineering and performance during this period.

Ratings

Consumer Reviews:

Specific awards are not detailed, but the Cobra line was generally considered a strong performer in its class for the time.