1969-1973 Chrysler Outboard Service Manual

Field service reference for 70-150 HP models: includes engine specs, tune-up procedures, carburetor and fuel system diagnostics, electrical components, and gear housing repair. OB1002-1

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Document Details

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Document Number / Seller:
31056 / Michelle Jones
File Size:
38.65 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Oct 1, 2025

Models Covered & Key Technical Specifications

Authoritative Repair Operator's Manual: Chrysler Outboard 70 hp, 75 hp, 80 hp, 90 hp, 105 hp, 115 hp, 120 hp, 130 hp, 135 hp, 150 hp outboard motor service manual, 1969-73 models Engineering-Archive Chrysler Outboard 70 hp, 75 hp, 80 hp, 90 hp, 105 hp, 115 hp, 120 hp, 130 hp, 135 hp, 150 hp (OB1002-1) | Division.

  • Established Speed Rating: 4750 R.P.M. is designed for optimal recommended operating range. Margin.
  • Reference Travel Rate: For engine two-cycle, 3-5/16" x 2.8" defines the bore and stroke. Protocol.
  • Certified Net Mass: 72.39 Cubic Inches -- signifies the cubic displacement. Architecture.
  • Factory Assembly Torques: The cooling system requires water cooled displacement type water pump. Norms.
  • Integral Adjustment Range: For propeller standard, aluminum alloy 12" dia. x 17" pitch provides right hand rotation. Bounds.
  • Specific Cold Start Limits: The electrical system requires 12 Volt – Negative Ground to establish output maximum. Topology.

Manual Description & Preview

Authoritative Repair Operator's Manual: Chrysler Outboard 70 hp, 75 hp, 80 hp, 90 hp, 105 hp, 115 hp, 120 hp, 130 hp, 135 hp, 150 hp outboard motor service manual, 1969-73 models Engineering-Archive

Conceptual-Layout: Chrysler Outboard 70 hp, 75 hp, 80 hp, 90 hp, 105 hp, 115 hp, 120 hp, 130 hp, 135 hp, 150 hp (OB1002-1) // Product-Line: Outboard Motor / Engine Logic // Conceptual-Layout: Service Manual.

Documents Overview Assessment-Parameter Value Validation-Data
Engine Type Two-Cycle N/A
Bore & Stroke 3-5/16" x 2.8" N/A
Cubic Inch Displacement 72.39 N/A
Spark Plug Gap .014" N/A
Oil Ratio (Break-In) 1/3 Pint N/A
Alternator Output Max 10 Amps N/A

Major sections focus on engine specifications, tune-up procedures, and detailed breakdowns of major systems. This document details the repair and maintenance procedures for a wide range of Chrysler outboard motors from 1969 through 1973, covering models from 70 HP to 150 HP. It includes comprehensive information on engine disassembly and reassembly, carburetor and fuel system servicing, ignition timing, electrical components, and gear housing maintenance. The manual also contains information on troubleshooting common issues and performing preventative maintenance to ensure optimal performance and longevity of the outboard motor. This manual documents torque specifications for critical components like the cylinder head and connecting rod screws to ensure proper pressure slip prevention.

The documentation addresses engine specifications for various horsepower ratings, including bore, stroke, and displacement.

Assembly instructions are detailed for major assemblies such as the carburetor, fuel system, and electrical components.

Hydraulic schematics are included for the gear housing and water pump systems.

Steering component information is provided for the shift and throttle linkages.

Inspection guidelines are provided for critical parts like spark plugs and breaker points.

FAQ

What kind of lubricant data and oil mix ratios are included in the service specification tables for these outboard models? keyboard_arrow_down

Engine specification sections contain details regarding the oil-to-gas ratio required for both break-in periods and standard operation.

Is there a reference available within the document that lists standard hardware torque specifications? keyboard_arrow_down

Manual contains a dedicated table for standard hardware that lists tightening values based on specific screw sizes. It also includes separate sections detailing assembly torque specifications for special engine components.

Are the engine power head and lower unit components covered in depth throughout the service manual? keyboard_arrow_down

Document provides comprehensive coverage of three and four cylinder power head assemblies, including details on cylinder components and crankcase parts. Additionally, gear housing sections outline the internal arrangements for the lower unit and water pump systems.

Which chapters provide the most detail on the electrical system and ignition components? keyboard_arrow_down

Document features specialized chapters covering various electrical systems, including the Motorola and Magnapower II setups, as well as the Delta system components.

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