2007 Johnson 9.9 / 15 HP 2-Stroke Outboard Service Manual

Complete service manual for Johnson 9.9 & 15 HP 2-stroke outboards. Includes detailed diagrams, specifications, and repair procedures for all systems. PN 507977.

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Document Details

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Document Number / Seller:
30720 / George Williams
File Size:
16.18 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Feb 27, 2025

Models Covered & Key Technical Specifications

Johnson 9.9 HP & 15 HP 2-Stroke Outboard Diagnostic & Service Manual Engine-Compendium

This manual covers service information on Johnson 9.9 and 15 HP 2-Stroke models. | Collection Container.

  • Documented Generation Capacity: 5 Ampere-Hour is specified as the minimum battery reserve capacity.
  • Technical Wattage Specs: The charging system uses a 5 Amp alternator for accessory power.
  • Universal System Specs: The outboard is equipped with a magneto powered capacitor discharge ignition system.
  • Maximum Electrical Specs: The ignition coil transforms ignition module output up to 40,000 V to fire spark plugs.
  • System Fastener Specs: Starter motor screws are torqued to 10 to 12 ft. lbs. (14 to 16 N·m).
  • Prescribed Enclosure Specs: The gearcase uses 9 fl. oz. (260 ml) of HPF XR Gearcase Lubricant.

Professional Workshop Service Manual & Technical Specifications

Johnson 9.9 / 15 HP 2-Stroke Outboard Diagnostic & Service Manual Engine-Compendium

Conceptual-Layout: Johnson 9.9 / 15 HP 2-Stroke Outboards // Operational-Framework: Outboard Motor / Engine Logic // Conceptual-Layout: Marine Propulsion System.

Service Chart

Integrated-Framework Diagnostic-Logic Architecture
Lower Mounts: 60 to 84 in. lbs. (7 to 9 N·m) Upper Mounts: 18 to 20 ft. lbs. (24 to 27 N·m) Shift Rod Bushing: Triple-Guard grease applied to the rod.
Propeller: Inspect for damage, wear, and proper spline condition. Impeller: Check for wear, crumbling, and hub bonding. Sealant Application: Gasket Sealing Compound used on driveshaft seals.

Major sections focus on

  • Fuel System: Covers fuel pump, carburetor, and intake manifold service, including adjustments and emissions compliance.
  • Ignition System: Details components like flywheel, coils, and power pack, with troubleshooting procedures for ignition issues.
  • Gearcase: Outlines propeller inspection, lubrication, seal and bearing installation, and water pump service.
  • Powerhead: Includes torque charts, cylinder compression testing, engine temperature checks, and disassembly/assembly procedures.
  • Manual Starter: Provides instructions for starter rope replacement, disassembly, cleaning, and assembly. Consistently requiring proper maintenance ensures optimal performance and longevity for your Johnson outboard. This manual documents repair procedures for the fuel, ignition, and powerhead systems, along with detailed information on gearcase and steering components. It also includes essential maintenance schedules and troubleshooting guides to keep your engine running smoothly. The document specifies torque values for various engine components to ensure proper mating surface contact and prevent leaks.

FAQ

Identify the **correct** service interval parameters? keyboard_arrow_down

Every 60 days or 30 in Saltwater for lubricating clamp screws, tilt/run lever shaft, swivel bracket, shift lever shaft, engine cover latch, and throttle/shift linkage.

What procedures **documented** system architecture? keyboard_arrow_down

115 N·m is the specified torque for the flywheel nut when installing the flywheel, ensuring proper assembly of the ignition system.

Determine the **precise** tool requirements? keyboard_arrow_down

Page 21 lists the specialized tools required, including a Digital Multimeter (Ohms resolution 0.01), Amphenol crimping pliers (P/N 322696), and a Flywheel holder (P/N 771311) for safe and effective servicing.

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