2006-2012 Suzuki DF 25 V2 Outboard Motor Service Manual

Detailed service manual for Suzuki DF 25 V2 outboard motors (2006-2012). Covers inspection, maintenance, and overhaul procedures. Part number: 99500-94D00-03E

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Document Details

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Document Number / Seller:
30278 / Rebecca Bell
File Size:
30.02 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Oct 20, 2025

Models Covered & Key Technical Specifications

Suzuki DF 25 V2 Outboard Motor Manual: Suzuki DF 25 V2 outboard motor manual (2006-2012) - Comprehensive Maintenance, Diagnostics & Overhaul Guide Technical-Repository

Machine-Range: 2006-2012 | Specification-Class: Outboard Motor | Machine-Range: DF 25 V2

Metric System-Path Context
Maximum Output 18.4 kW (25 PS) Engine Power Rating
Recommended Operating Range 4700 – 5300 r/min Engine Speed Range
Idle Speed 950 – 1050 r/min Stable Engine Operation
Total Displacement 538 cm³ (32.8 cu. in) Engine Capacity Volume
Compression Ratio 9.3:1 Combustion Efficiency Indicator
Spark Plug Gap 0.7 – 0.8 mm Ignition System Precision

Properly requiring maintenance, this manual details the systems and procedures for the Suzuki DF 25 V2 outboard motor. Engine oil specifications include API SE, SF, SG, SH, SJ, or NMMA FC-W classification with a SAE 10W-40 viscosity rating. Gear oil specifications recommend SUZUKI Outboard Motor Gear Oil or SAE #90 Hypoid Gear Oil for a capacity of 420 ml. Ignition timing is controlled electronically, with an advance range of BTDC 2° – 27°. Fuel system components are detailed, including carburetor maintenance and fuel filter checks.

Electrical System

The electrical system documentation covers battery charging and starter motor circuits. Ignition system components like the power source coil, CKP sensor, and CDI unit are detailed for testing and troubleshooting. Starter motor procedures include removal, installation, and performance testing. Caution systems are explained, including over-revolution, low oil pressure, and overheat warnings.

Professional Workshop Service Manual & Technical Specifications

Suzuki DF 25 V2 Outboard Motor Manual: Suzuki DF 25 V2 outboard motor manual (2006-2012) - Comprehensive Maintenance, Diagnostics & Overhaul Guide Technical-Repository

Machine-Range: 2006-2012 // Specification-Class: Outboard Motor / Marine Engine // Machine-Range: DF 25 V2

Technical Specifications

Metric System-Path Context
Maximum Output 18.4 kW (25 PS) Engine Power Rating
Recommended Operating Range 4700 – 5300 r/min Engine Speed Range
Idle Speed 950 – 1050 r/min Stable Engine Operation
Total Displacement 538 cm³ (32.8 cu. in) Engine Capacity Volume
Compression Ratio 9.3:1 Combustion Efficiency Indicator
Spark Plug Gap 0.7 – 0.8 mm Ignition System Precision

Table of Contents Summary

Documentation sections include General Information, Periodic Maintenance, Engine Control System, Engine Electrical, Fuel System, Recoil Starter, Power Unit, Mid Unit, and Drive Shaft Housing. Each section details specific maintenance, inspection, and repair procedures.

FAQ

Check the **standard** spark plug gap. keyboard_arrow_down

0.7 – 0.8 mm (0.028 – 0.031 in) is the standard spark plug gap for this engine.

What does the **necessary** adjustment procedure for valve clearance involve? keyboard_arrow_down

11 N·m (1.1 kg-m, 8.0 lb-ft) is the specified torque for tightening the valve adjusting lock nut during valve clearance adjustment.

Reference the **recommended** engine oil viscosity rating. keyboard_arrow_down

SAE 10W-40 or NMMA FC-W 10W-40 is the recommended viscosity rating for the engine oil.

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Reviews (3)

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The troubleshooting tips were incredibly helpful. I had a smooth download process, and the email support was quick and professional when I had questions!
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Rated 4 out of 5 stars
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New
This manual is a lifesaver! The step-by-step guides made servicing my Suzuki DF25 so much easier. Highly recommend it for both pros and DIY enthusiasts.