1999 Yamaha P60X, C60X, 70X, 75X, P75X, C75X, 90X, B90X, C90X Outboard Motor Service Manual

1999 Yamaha outboard motor documentation with exploded views, diagrams, and detailed specifications for P60X, C60X, 70X, 75X, P75X, C75X, 90X, B90X, C90X. Publication LIT-18616-02-05

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Document Details

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Document Number / Seller:
28417 / Carol White
File Size:
11.56 MB
File Type:
PDF
Language:
English
Pages:
195
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Feb 28, 2025

Models Covered & Key Technical Specifications

Yamaha P60X, C60X, 70X, 75X, P75X, C75X, 90X, B90X, C90X (LIT-18616-02-05) – 1999 Outboard Maintenance Manual

1999 Outboard Motor Service Documentation | Series Outboard Motor Edition.

  • Calibrated Operational Speed: 4,500 - 5,500 rpm achieves the maximum engine output performance.
  • Rated Unit Dimensions: For optimal operation, 398 mm defines the standard height Framework.
  • Critical Print Quality: 10 mm -- signifies the piston and cylinder clearance Threshold.
  • Universal Tank Capacity: The gear case requires 2.0 mm for standard operation Logic.
  • Core Production Rate: Maximum fuel consumption reaches 3 L/gal per hour Parameters.
  • Standard Dimensional Tolerance: The total displacement requires 1,141 cm³ establishes the maximum measurement Architecture.

Professional Workshop Service Manual & Technical Specifications

Unified Factory Manual: Yamaha P60X, C60X, 70X, 75X, P75X, C75X, 90X, B90X, C90X 1999 - Comprehensive Outboard Maintenance Manual Service-Catalog

Equipment-Series: P60X, C60X, 70X, 75X, P75X, C75X, 90X, B90X, C90X // Technical-Scope: Outboard Motor / Power Unit Logic // Design-Core: 1999 Outboard Maintenance Manual.

Service-Nexus Operational-Logic Context
Electrical Systems Wiring Harness Diagrams and Component Identification
Fuel System Carburetor Maintenance and Repair Procedures
Power Unit Exploded Views Component Assembly and Disassembly
Lower Unit Gear Case Inspection and Service Data
Bracket Unit Trim and Tilt Hydraulic System Overviews
Electrical Systems Ignition System Troubleshooting Charts and Specifications

Diagnostic procedures address specific systems and components for each model year. Logically requiring detailed troubleshooting information for the fuel, power, and electrical systems, the manual provides comprehensive diagrams and step-by-step repair instructions. Sections cover disassembly, inspection, and assembly of major components such as the power unit, lower unit, and bracket systems. Specifications are provided throughout for critical adjustments and clearances, ensuring proper function and longevity of the outboard motor. This document also documents torque specifications for engine mounting bolts to ensure proper rotational loosening prevention.

Power Unit Systems

The power unit section details the disassembly and assembly of the engine, including cylinder head, crankshaft, and piston components. It offers critical inspection procedures for wear and damage, ensuring the longevity of these vital parts.

Lower Unit Operations

Detailed procedures for the lower unit are provided, covering inspection of the gear case, bearings, and propeller shaft. This section includes instructions for shim selection and backlash measurement to maintain optimal gear performance.

Electrical System Functionality

The electrical systems chapter outlines the inspection and testing of various electrical components, including the ignition system, starter motor, and wiring harness. Troubleshooting charts are included to aid in diagnosing common electrical issues.

FAQ

What **essential** testing parameters are included for the spark plug gap? keyboard_arrow_down

9 mm (0.35 in) is the specified spark plug gap for testing parameters.

Check the **correct** diagnostic procedures for the neutral switch. keyboard_arrow_down

Continuity must be present when the switch is in the START position for correct diagnostic procedures.

What does the **documented** fluid capacity requirements specify for the PTT model? keyboard_arrow_down

7 Nm (0.7 m kg, 5.1 ft lb) is the documented fluid capacity requirement for the long transom (6H1-15, 62F-02) PTT model.

Reference the **precise** component identification for the fuel system. keyboard_arrow_down
  1. Carburetor, 2. Fuel tank cap, 3. Fuel tank are the precise component identifications within the fuel system.

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Reviews (2)

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New
This manual is incredibly detailed and user-friendly. I had a few questions and the support team was quick to respond and very helpful. Highly recommend for anyone working on Yamaha outboards!
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New
The Yamaha P60X, C60X, 70X Service Manual is a lifesaver. The step-by-step instructions made it easy to follow, and I appreciated the detailed troubleshooting sections. Plus, the download process was smooth and I received the link in no time!