Yamaha F350 & LF350 Outboard Motor Service Manual 2007

This service manual details the F350 and LF350 outboard motors. It provides comprehensive diagrams, diagnostic procedures, and troubleshooting steps for all major systems.

5.0starstarstarstarstar(1)
visibility Preview Available
Yamaha Yamaha F350 & LF350 Outboard Motor Service Manual 2007 manual page preview - page 1 of

Sample pages from the Yamaha F350 & LF350 Outboard Motor Service Manual 2007 manual

Yamaha Yamaha F350 & LF350 Outboard Motor Service Manual 2007 manual preview page 1 - thumbnail
Yamaha Yamaha F350 & LF350 Outboard Motor Service Manual 2007 manual preview page 3 - thumbnail
Yamaha Yamaha F350 & LF350 Outboard Motor Service Manual 2007 manual preview page 5 - thumbnail
info_outline Click thumbnails to preview different pages

Purchase & Download

$13.25 (incl. VAT) Instant Download / No Shipping Fees
1 sold in the last 30 days
OR BUY NOW
verified_user
Lifetime Access
Re-download anytime
flash_on
Instant Download
Get it immediately
lock
Secure Payment
PayPal

Document Details

keyboard_arrow_down
Document Number / Seller:
30975 / Joseph Clark
File Size:
22.34 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Oct 25, 2025

Models Covered & Key Technical Specifications

Factory-Level Reference Service Manual: Outboard Motor Complete Diagnostics: Yamaha F350 & LF350 Outboard Motors (2007) Chassis-Documentation

Diagnostic-Area: Engine Control Module System Diagram // Serial-Range: 1000001- // Diagnostic-Area: Engine Speed Control System Logic.

  • Maximum Power Unit: The engine's power unit features an Electronic Fuel Injection system with a 60° V8, DOHC, 32-valve configuration.
  • Advanced Electrical System: This system incorporates Electronic Fuel Injection (Multi-point and Sequential injection) and a Digital Electronic Control system.
  • Systematic Fuel System: Includes a modularized fuel system with dual exhaust passages and a divided exhaust manifold for efficient operation.
  • Measured Ignition Timing: Ignition timing is controlled by signals from each sensor and map data, ensuring optimal performance across various conditions.
  • Critical Cooling System: Features a water drain system directing water from the air duct to the bottom cowl and drain box for efficient drainage.
  • Rated Intake and Exhaust: The intake system includes a big bore, single valve throttle body with a long intake manifold made of resin for improved efficiency.

Professional Workshop Service Manual & Technical Specifications

Factory-Level Reference Service Manual: Outboard Motor Complete Diagnostics: Yamaha F350 & LF350 Outboard Motors (2007) Chassis-Documentation

Diagnostic-Area: Engine Control Module System Diagram // Serial-Range: 1000001- // Diagnostic-Area: Engine Speed Control System Logic.

Specification Operational-Logic Architecture
Engine ECM Controls fuel injection, ignition timing, and valve timings Digital Electronic Control System
Power Unit Features 5.3 L (325 ci) V8 engine with Variable Camshaft Timing Optimized for power and fuel economy
Electrical System Multi-point and Sequential Injection EFI Integrated Digital Electronic Control System
Fuel System Includes modularized components and divided exhaust Ensures efficient fuel delivery and exhaust
Cooling System Water-cooled system with drain features Maintains optimal operating temperature
Intake/Exhaust Big bore throttle body and long intake manifold Enhances airflow for performance

Cataloging major assemblies into comprehensive sections, this manual provides a thorough overview of the F350 and LF350 outboard motors. Verification procedures are included for electronic control systems, detailing sensor inputs and ECM control logic. Repair information is provided for the power unit, covering crankshaft, piston, and connecting rod specifications. The document includes coverage of the ignition system, detailing ignition timing control and knock retard compensation. Brake system specifications are included for the PTT (Power Trim and Tilt) unit, outlining its hydraulic path and functions. Safety procedures are documented for the electrical system, covering component checks and wiring harness routing. Documenting torque specifications for various components ensures proper assembly and structural misalignment prevention.

FAQ

What **designated** adjustment procedures are outlined for the electronic throttle valve? keyboard_arrow_down

5.5° is the throttle valve opening angle when the control lever is fully closed, and 90° when fully open, as per reference data.

Identify the **critical** pressure specifications for the fuel system. keyboard_arrow_down

The high-pressure fuel pump maintains a pressure of 0.63 Ω at 20 °C (68 °F), while the low-pressure fuel pump has a resistance of 0.76 Ω.

What **required** assembly sequence details are provided for the engine components? keyboard_arrow_down

The crankshaft journal diameter is 62.972–62.992 mm (2.4792–2.4800 in), and the crankpin diameter is 49.980–50.000 mm (1.9677–1.9685 in).

Customer Reviews

Read what our customers say about this Yamaha Outboard Motor manual and share your own experience.

Add a Review

* Required information
1000
Captcha Image

Reviews (1)

Avatar
New
This manual has been a lifesaver for my F350. The troubleshooting section is incredibly detailed and easy to follow. Plus, the download process was seamless, and the support team responded quickly to my questions. Highly recommend!