1979 Polaris Centurion Snowmobile Service Repair Manual

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Taper: Snowmobile

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UGS: 156211

Mots clés: 1979 Centurion Centurion Models Polaris Powersports Snowmobile Snowmobiles

Variantes de produits

Description

The 1979 Polaris Centurion represents a significant offering from Polaris Industries, a manufacturer with a rich heritage in powersports innovation. This model was a key part of Polaris's lineup during the late 1970s, a period of intense development and competition in the snowmobile market. The Centurion was engineered to provide a balance of performance and comfort for trail riding, embodying the brand's commitment to delivering capable and reliable snowmobiles. Its design and features reflect the technological advancements of its era, aiming to meet the demands of riders seeking adventure and utility in winter conditions. This comprehensive Factory Service Repair Manual is designed to empower owners, mechanics, and technicians with the knowledge required to maintain and repair the 1979 Polaris Centurion. Covering a vast array of systems, including detailed procedures for the engine, fuel system, ignition, drivetrain, brakes, suspension, steering, and electrical system, this manual provides factory-level technical information. It includes step-by-step repair instructions, diagnostic flowcharts, troubleshooting guides, and hundreds of illustrations to assist with everything from routine maintenance and adjustments to complete overhauls and rebuilds, ensuring the vehicle remains in optimal operating condition.

🏷️ Basic Information

Identification

Make:

Polaris

Model:

Centurion

Year:

👋 Introduction

Market Position

Target Audience:

Polaris Centurion owners seeking to perform their own maintenance and repairs

Value Proposition

Benefit:

Empowers owners to maintain and repair their snowmobile effectively, saving time and money.

Key Features

Content Type:

Factory-level technical information, step-by-step procedures, diagnostic aids

Expertise Demonstration

Knowledge Source:

Mimics the knowledge of factory-trained technicians

📋 Manual Details

Coverage Areas

Covered Models:

1979 Polaris Centurion

Page Count

Estimated Pages:

Hundreds

Manual Type

Type:

Factory Service Repair Manual / Shop Manual

Language

Language:

English

Format

Format:

PDF (Digital Download)

📖 Manual Coverage

Systems Covered

Engine:

Complete engine overhaul, tuning, component diagnostics, lubrication systems

Fuel System:

Carburetor adjustment and rebuild, fuel pump, fuel lines, fuel tank maintenance

Ignition System:

Spark plug specifications, timing, coil testing, CDI unit diagnostics

Cooling System:

Liquid cooling system maintenance, radiator, thermostat, coolant specifications (if applicable)

Drivetrain:

Clutch inspection and service (drive and driven clutches), chaincase lubrication and adjustment, track system inspection

Brakes:

Brake system inspection, adjustment, hydraulic components (if applicable), disc/drum service

Suspension:

Front and rear suspension servicing, shock absorber maintenance, ski alignment and adjustment

Steering:

Steering linkage inspection and adjustment, handlebar components, tie rod ends

Electrical System:

Wiring diagrams, lighting system, battery maintenance, starter system diagnostics

Bodywork:

Body panel removal and installation, seat maintenance, decals and graphics

Procedures Included

Maintenance:

Scheduled maintenance tasks, lubrication points, filter replacement, general upkeep

Troubleshooting:

Diagnostic flowcharts, common problem identification, symptom-based troubleshooting guides

Repair:

Step-by-step repair instructions for all major components, from simple adjustments to major overhauls

Rebuilds:

Detailed instructions for engine rebuilds, transmission overhauls, and clutch servicing

Adjustments:

Carburetor tuning, chain tension, brake adjustments, steering alignment

Disassembly Reassembly:

Comprehensive guides for taking apart and putting back together all vehicle systems

Technical Depth

Depth:

Comprehensive (covers everything from basic oil changes to complete engine rebuilds)

Illustrations

Quality:

Hundreds of illustrations to aid in repair and maintenance

Searchability

Feature:

Searchable PDF functionality for quick access to information

Printability

Feature:

Ability to print specific pages as needed

📊 Manual Specifications

File Format

Format:

File Size

Size:

Approximately 100MB

Print Quality

Quality:

High-resolution, suitable for clear printing

Binding Type

Type:

N/A (Digital Download)

Paper Type

Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Description:

Details for the specific engine(s) equipped on the 1979 Polaris Centurion (e.g., 244cc, 335cc, 440cc fan-cooled or liquid-cooled Fuji engines often used in this era, specific displacement to be confirmed by manual content).

Performance

Horsepower Range:

Typically in the range of 20-40 HP, depending on engine displacement (specifics in manual).

Torque Characteristics:

Information on engine torque output and power band (specifics in manual).

Fuel System

Carburetion:

Details on carburetor models (e.g., Mikuni, Tillotson), jetting specifications, and adjustment procedures.

Lubrication

Oil Mixing:

Correct oil-to-gas ratio for pre-mix or oil injection systems.

Cooling

Type:

Fan-cooled or liquid-cooled, as per specific Centurion model variant (manual will detail).

🔧 Transmission

Primary Drive

Clutch System:

Detailed service procedures for the Polaris P-85 or Comet drive clutch and driven clutch, including spring, roller, and weight inspection and replacement.

Secondary Drive

Chaincase Lubrication:

Recommended lubricant type and capacity for the chaincase.

Features

Gear Reduction:

Information on internal gear reduction ratios within the chaincase.

📐 Dimensions

Exterior

Overall Length:

Specific dimensions for the 1979 Centurion chassis (refer to manual).

Overall Width:

Specific dimensions for the 1979 Centurion chassis (refer to manual).

Weights

Dry Weight:

Dry weight specifications for the 1979 Centurion (refer to manual).

Track Width:

Width of the track and tunnel (refer to manual).

🛡️ Safety Features

Active Features

Throttle Safety:

Information on throttle safety levers or mechanisms.

Passive Features

Engine Stop Switch:

Location and function of the emergency engine stop switch.

Maintenance Considerations

Brake System Integrity:

Emphasis on maintaining brake system performance for safe operation.

💡 Technology Features

Infotainment

Dashboard Features:

Description of the instrument cluster, including speedometer, tachometer (if equipped), and warning lights.

Driver Assistance

No Electronic Aids:

As a 1979 model, lacks modern electronic driver assistance features.

Connectivity

No Connectivity:

No integrated electronic connectivity features.

🔧 Maintenance

Service Intervals

Engine Tune Up:

Recommended intervals for spark plug replacement, carburetor cleaning, and ignition timing checks.

Clutch Service:

Intervals for inspecting and servicing drive and driven clutches for optimal performance and longevity.

Chaincase Lubrication:

Recommended frequency for checking and changing chaincase lubricant.

Fluid Specifications

Chaincase Oil:

Specific type and viscosity of lubricant recommended for the chaincase (e.g., 2-stroke gear oil, specific SAE grade).

Coolant:

If liquid-cooled, specifications for the appropriate coolant mixture (e.g., ethylene glycol-based, water ratio).

Known Issues

Carburetor Fouling:

Common issues like carburetor jetting or needle wear leading to performance problems.

Clutch Wear:

Wear on clutch weights, rollers, and sheave surfaces affecting engagement and belt life.

Track Tension:

Importance of maintaining correct track tension to prevent excessive wear or derailment.

Ignition System Reliability:

Potential issues with older CDI units or ignition coils requiring testing and possible replacement.

General Tips

Storage Preparation:

Guidance on proper off-season storage, including fuel stabilization and protection.

📚 Vehicle History

Brand Heritage

Polaris History:

Polaris Industries, a long-standing American manufacturer of snowmobiles, ATVs, and personal watercraft, known for innovation in the powersports industry.

Model Evolution

Centurion Positioning:

The Centurion was a key model in Polaris's lineup during the late 1970s, representing their efforts in performance and comfort for trail riding.

Production

Manufacturing Era:

Produced in the late 1970s, a period of significant development and competition in the snowmobile market.

🏆 Awards & Recognition

Recognitions

Market Reputation:

Polaris snowmobiles of this era were generally well-regarded for their performance and innovation within the industry.

Ratings

Service Manual Quality:

Implied high quality and usefulness, as stated in product description ('great quality service manual').