2007 Johnson 2.5 HP 4-Stroke Outboard Motor Service Manual

Technical reference for the 2.5 HP 4-Stroke Outboard Motor. Documents procedures for installation, maintenance, and systems including fuel and ignition. Part number 5007217.

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Document Details

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Document Number / Seller:
28096 / Thomas Stewart
File Size:
10.41 MB
File Type:
PDF
Language:
English
Pages:
179
Printable:
Yes
Estimated Download Time:
0.21 Minutes
Delivery Format:
Digital (PDF) - Instant Access
Category:
Outboard Motor
Brand:
Johnson
Reviewed and Approved:
Sep 17, 2025
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Models Covered & Key Technical Specifications

2007 Johnson 2.5 HP 4-Stroke Outboard Motor Service Manual

Technical reference for the 2.5 HP 4-Stroke Outboard Motor. Documents procedures for installation, maintenance, and systems including fuel and ignition. Part number 5007217.

  • System Assembly Torques: 450 W signifies the active printing consumption Threshold.
  • Core Liquid Volume: For optimal operation, 2.0 fl. oz. (60 ml) defines the gearcase capacity Framework.
  • Specific Temperature Range: 118 to 126°F (48 to 52°C) establishes the thermostat opening parameter.
  • Critical Ignition Timing: The igniter unit requires 0.02 in. (0.5 mm) for standard operation Logic.
  • Universal Carburetion: One single-throat carburetor determines fuel delivery Parameters.
  • Calibrated Compression Ratio: 9.0:1 signifies the compression ratio Benchmarks.

Professional Workshop Service Manual & Technical Specifications

Full-Coverage Diagnostic Training Manual: Outboard Motor Johnson 2.5 HP 4-Stroke Outboard Motor 2007 - Precision Service Procedures Engineering-Archive

Validation-Data: J2R4SUC // Architecture-Focus: Outboard Motor / 4-Stroke Logic // Performance-Values: Tiller Steering.

Identifier Operational-Logic Calibration-Spec
Technical Data 2.5 HP 5250-5750 RPM
Ignition Transistorized 30° BTDC @ 1900 RPM
Gearcase 2.15:1 Ratio 2.0 fl. oz. Lubricant
Valve Clearance 0.005-0.007 in. N/A
Compression Test 137-199 psi N/A

Engineering chapters address:

  • INTRODUCTION
  • INSTALLATION AND PREDELIVERY
  • MAINTENANCE
  • IGNITION AND ELECTRICAL
  • FUEL SYSTEM

This manual provides detailed procedures for the service and repair of the Johnson 2.5 HP 4-Stroke Outboard Motor. It includes comprehensive information on all systems, from basic maintenance to complex engine overhauls. Adhering to the included maintenance schedule ensures optimal performance and longevity. Appropriately establishing proper engine operation is critical for safe and reliable use.

This document details the logical sequence for disassembling and reassembling various engine components, ensuring each step contributes to a successful repair. The logical structure guides technicians through each procedure.

FAQ

Identify the **correct** service interval parameters for this Johnson outboard? keyboard_arrow_down

Every 60 days / Every 30 in Saltwater is the specified service interval for many components, including swivel brackets and throttle linkages, as detailed in the maintenance schedule.

What procedures are **documented** for the ignition system? keyboard_arrow_down

The manual documents ignition tests, igniter unit resistance checks (Primary: 0.5 to 0.9 kΩ, Secondary: 10 to 16 kΩ), and spark plug cap resistance (4 to 6 kΩ).

Determine the **precise** tool requirements for this model. keyboard_arrow_down

Specific tools mentioned include a digital multimeter, a spark checker, and a gearcase filler (P/N 501882) for maintenance procedures.

What specifications are **proper** for the electrical values? keyboard_arrow_down

Ignition timing specifications are 30° BTDC @ 1900 RPM, and spark plug gap is 0.024 to 0.028 in. (0.6 to 0.7 mm).

Check the **standard** calibration settings for the engine. keyboard_arrow_down

The standard compression test reading is 137 to 199 psi (960 to 1400 kPa) for this engine, as noted on page 76.

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