2005-2006 Yamaha F250/LF250 Outboard Motor Service Manual

Technical reference for Yamaha F250/LF250 Outboard Motors, 2005-2006 models. Covers engine specifications, power unit, fuel system, and more. PN LIT-18616-02-97.

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Document Details

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Document Number / Seller:
28232 / Sharon Anderson
File Size:
23.34 MB
File Type:
PDF
Language:
English
Pages:
386
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Jan 7, 2026

Models Covered & Key Technical Specifications

Yamaha F250 / LF250 Outboard (2005-2006) – LIT-18616-02-97

Service Manual | Factory Grade Overhaul-Reference

  • Designated Engine Type: 4-stroke DOHC V6 establishes the primary power Architecture.
  • Verified Displacement: For efficient operation, 3,352 cm³ signifies the engine's displacement Framework.
  • Nominal Output Rating: 183.9 kW -- signifies the maximum engine output Threshold.
  • Defined Operating Range: The full throttle RPM range requires 5,000–6,000 RPM for optimal performance Logic.
  • Key Fuel Consumption: Maximum fuel consumption reaches 81.0 L/hr Parameters.
  • Essential Idle Speed: The engine idle speed is set to 600–700 RPM Baseline.

Professional Workshop Service Manual & Technical Specifications

Detailed Service Manual: Yamaha F250/LF250 Outboard (2005-2006) – 377 Pages | Factory Grade Overhaul-Reference

Validation-Data: F250/LF250 (LIT-18616-02-97) // Repair-Classification: Outboard Motor / Power Unit Logic // Service-Level: Comprehensive Technical Documentation.

Featuring a modular arrangement of detailed procedures, specifications, and system overviews, this manual provides essential documentation for maintaining and repairing the Yamaha F250/LF250 outboard motors. Key sections cover engine specifications, power unit diagnostics, fuel system operation, and electrical system diagrams, ensuring proper functioning and longevity.

Integrated-Framework Operational-Logic Context
Engine Specifications Power Unit Diagnostics System Architecture
Fuel System Operation Electrical System Diagrams Component Functionality
Maintenance Procedures Troubleshooting Guide Repair Information

This manual documents torque specifications for various components to ensure proper seal compression uniformity. Key chapters include General Information, Specification details, Periodic Checks and Adjustments, Fuel System, Power Unit, Lower Unit, Bracket Unit, Electrical System, and Troubleshooting, offering a complete reference for service technicians and owners.

FAQ

What are the **specified** tool requirements for this manual? keyboard_arrow_down

YB-06320 (Valve attachment) and YM-01253 (Valve spring compressor) are among the specialized tools referenced for valve-related procedures.

What are the **essential** electrical values for the ignition system? keyboard_arrow_down

For the ignition system, the Crank position sensor output peak voltage ranges from 2.7 V to 17.8 V depending on load and RPM.

Specify the **correct** calibration settings for the throttle valve. keyboard_arrow_down

The throttle valve opening angle, with the remote control lever fully closed, is specified at 0.5–7.0° at 20 °C (68 °F).

What are the **documented** clearance measurements for the drive shaft? keyboard_arrow_down

The drive shaft is documented with specific measurements for its length, with the drive shaft housing requiring assembly after installation.

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Reviews (3)

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This manual has been invaluable for maintaining my Yamaha F250. The diagrams are clear, and the troubleshooting section helped me fix an issue quickly. Highly recommend!
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The download process was seamless, and I received my manual via email within minutes. The customer support was super helpful when I had questions about the content. Great service!
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Rated 4 out of 5 stars