1995-2002 Yamaha Marine 9.9S and 15S Outboard Motor Service Manual
Documents Yamaha 9.9S and 15S outboard motor service procedures for mechanics. Covers engine, fuel, electrical, and lower unit systems. PN LIT-18616-00-99
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Sample pages from the 1995-2002 Yamaha Marine 9.9S and 15S Outboard Motor Service Manual manual
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Yamaha Models Covered & Key Technical Specifications
Models: 9.9MH, 9.9D, 9.9EH, 9.9DE, 15MH, 15D, 15EH, 15DE
Sub-models / Variants: Manual start, Electric start, 9.9 HP, 15 HP, 2-Stroke, Short Shaft (S), Long Shaft (L)
Trade Names: Yamaha Marine Outboards
Build Years: 1995–2002
Serial Numbers: 9.9MH/9.9D: S 093428–, L 401956–; 9.9EH/9.9DE: S 252979–, L 558304–; 15MH/15D: S 115096–, L 366827–; 15EH/15DE: S 254267–, L 555878–
Technical Data:
- Engine type: 2-stroke, inline 2-cylinder
- Displacement: 246 cm³ (15.0 cu. in)
- Compression ratio: 7.00:1
- Full throttle speed range: 4,500–5,500 rpm
- Spark plug gap: 0.9–1.0 mm (0.035–0.039 in)
- Fuel type: Regular gasoline (minimum 86 octane)
- Lubrication system: Pre-mixed fuel and oil (100:1 ratio)
- Gear oil capacity: 185 cm³ (6.25 US oz)
- Starter motor output: 0.4 kW
- Steering angle: 40 degrees left and right
- Ignition timing (fully advanced): B.T.D.C. 30° ± 1°
Yamaha Manual Features & Content Preview
1995–2002 Yamaha 9.9S and 15S Outboard Technical Coverage
- Covers 1995–2002 Yamaha 9.9S and 15S series outboard motors, including 9.9MH, 9.9EH, 15MH, and 15EH variants with manual and electric start configurations
- Official Yamaha OEM publication P/N LIT-18616-00-99, 1st edition published June 1993
- Contains 85 technical illustrations, 5 exploded-view part diagrams, and 14 detailed engine-specification tables
- Downloads to your account within seconds of checkout
- Permanent availability in your purchase account — no re-buy required
- Laid out for standard letter and A4 printing
- Full-text search finds any part number in seconds
- This 1st edition document serves as the foundation for the entire 1995–2002 production run of the 9.9 and 15 HP two-stroke twin-cylinder outboard series
Component and System Documentation
The 1995–2002 Yamaha 9.9S and 15S outboard service manual provides detailed technical data and orientation for the two-stroke twin-cylinder power unit. This publication organizes procedures into distinct chapters including General Information, Specifications, Periodic Inspection, Fuel Systems, Power Unit disassembly, Lower Unit maintenance, Bracket Unit configuration, and Electrical System diagnostics. Expert technicians utilize this reference to identify internal dimensions, wear limits, and assembly tolerances for the 246 cc engine platform.
Specification and Data Highlights
Technical data within the 1995–2002 Yamaha 9.9S and 15S manual assists in the evaluation of engine health and performance parameters. The document provides what an OEM service publication covers regarding timing specifications, torque settings, and fluid capacities for two-stroke marine engines. Intake valve stopper height is documented at 1.3–4.0 mm depending on the specific engine variant. Compression pressure for the 246 cc power unit is specified at 853 kPa. The fuel enrichment solenoid resistance is listed at 6.39–7.81 ohms in the electrical specifications table. Reference only — always consult a certified technician before performing service on this equipment.
An official 170-page Yamaha OEM workshop manual covering the 1995–2002 9.9S and 15S outboard motors, documenting engine, chassis, electrical, and fuel-system specifications for the 6E7 and 6E8 model series.
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