Basic Information Identification Make: Chrysler Model: 120 HP Outboard Year: 1979 Product Type: Service Repair Workshop Manual Codes Engine Code Variant: 120 HP Introduction Market Position Target Audience: Boat owners with basic mechanical skills and independent service professionals. Competitive Analysis Value Proposition: Enables owners to perform maintenance and repairs themselves, saving significant costs. Key Features Content Detail: Step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications. Accuracy And Clarity: Accurate, clear, and concise text combined with illustrations for safe and easy servicing. Illustrations: Includes diagrams and illustrations to aid understanding. Ease Of Use Instruction Style: Easy to follow, step-by-step instructions suitable for any skill level. Completeness Manual Integrity: Complete and intact, without missing or corrupt parts or pages. Value Proposition Cost Savings: Potential to save hundreds to thousands of dollars on repair bills. Manual Details Coverage Areas Comprehensive Coverage: Full service and repair instructions for mechanics and owners. Page Count Estimated Page Count: Extensive (specific count not provided, but implied to be comprehensive for a workshop manual) Manual Type Type: Workshop Manual / Service Manual / Repair Manual Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Engine Mechanical: Engine specifications, tune-up procedures, powerhead, carburetor, fuel system. Electrical System: Electric starter, manual starter, electrical components, magneto, alternator, wiring schematics. Drivetrain: Gear housing, motor leg. Control Systems: Steering handle. Cooling System: Implied under general engine service, but not explicitly listed. Likely includes water pump and cooling passages. Procedures Included Maintenance: Tune-up, oil changes, spark plug replacement, air filter changes. Troubleshooting: Diagnostic procedures for various components and systems. Repair: Step-by-step repair instructions for all major topics. Diagnostics: Includes diagnostic procedures for engine and electrical issues. Wiring Schematics: Detailed wiring diagrams for electrical system diagnosis and repair. Technical Depth Depth: Comprehensive, from basic maintenance to detailed repair and diagnostics. Content Source: Written by manufacturers, same as used by authorized dealer service departments. Rebuild Procedures: Covers procedures for overhauling major components like the powerhead and carburetor. Manual Specifications File Format Compatibility: All Versions of Windows AND Mac. Device Compatibility: Viewable on PC, Mac, phones, and ebook readers (e.g., Amazon Kindle). Print Quality Printability: Yes, all pages are printable. Binding Type Binding: N/A (Digital PDF download) Paper Type Paper Type: N/A (Digital PDF download) Software Requirements Reader Requirement: Adobe PDF Reader Engine Specifications Primary Engine Horsepower: 120 HP Performance Torque Specifications: Detailed torque specifications provided. Fuel System Carburetor Details: Complete carburetor overhaul and adjustment procedures. Fuel Type: Gasoline (likely requires pre-mix with oil for 2-stroke operation). Engine Mechanical Powerhead Rebuild: Detailed procedures for powerhead service and repair. Tune Up Tune Up Procedures: Comprehensive tune-up guide for optimal engine performance. Engine Type Configuration: Assumed to be a 2-stroke gasoline engine, typical for outboards of this era and horsepower. Transmission Gear Housing Gear Housing Service: Service and repair procedures for the gear housing. Lower Unit Motor Leg Repair: Instructions for motor leg maintenance and repair. Dimensions Exterior Hull Integration: Information relevant to the integration and operation with a boat hull. Safety Features Active Features Electrical Starting: Detailed information on electric starter system operation and repair. Passive Features Manual Operation: Guidance for manual starter system operation. Technology Features Ignition System Magneto Ignition: Detailed coverage of the magneto ignition system. Charging System Alternator Operation: Information on the alternator for battery charging. Fuel Delivery Fuel System Components: Coverage of fuel pump, lines, and filters. Maintenance Service Intervals Preventive Maintenance: Implied through tune-up and general service sections; specific intervals may require consulting the manual. Seasonal Checks: Implied for optimal performance and longevity, covered within tune-up procedures. Fluid Specifications Gear Lube: Specifications for gear housing lubricant likely included. Fuel Mixture: Fuel and oil mixture ratios (for 2-stroke engines) likely detailed. Known Issues Troubleshooting Guides: Troubleshooting sections designed to address common problems. Part Numbers Component Identification: Likely includes diagrams and specifications that aid in part identification, though explicit part numbers are not listed in the description. Vehicle History Brand Heritage Manufacturer: Chrysler Marine (historically) Model Evolution Outboard Lineage: Part of Chrysler's marine outboard engine offerings in the late 1970s. Production Production Era: 1979 Model Year.