Wednesday, July 24, 2024


Model: 9.9HP

Brand: Yamaha

Sure, here's a detailed product specification listing for the Yamaha 9.9 HP 2-Stroke Marine Engine:

Yamaha 9.9 HP 2-Stroke Marine Engine

General Specifications:

  • Model: Yamaha 9.9 HP 2-Stroke
  • Engine Type: 2-Stroke, In-line 2-cylinder
  • Horsepower: 9.9 HP
  • Displacement: 247 cc (15.1 cu in)
  • Bore x Stroke: 56 x 50 mm (2.20 x 1.97 in)
  • Starting System: Manual and Electric Start options
  • Ignition System: CDI (Capacitor Discharge Ignition)

Dimensions and Weight:

  • Overall Length: 95.2 cm (37.5 in)
  • Overall Width: 40.2 cm (15.8 in)
  • Overall Height:
    • S Model: 107.8 cm (42.4 in)
    • L Model: 117.3 cm (46.2 in)
  • Transom Height:
    • S Model: 43.0 cm (16.9 in)
    • L Model: 53.2 cm (20.9 in)
  • Weight:
    • S Model: 36 kg (79 lbs)
    • L Model: 38 kg (84 lbs)

Performance Parameters:

  • Full Throttle RPM Range: 4500 - 5500 RPM
  • Fuel Induction System: Carbureted
  • Fuel Tank Capacity: 12 liters (3.2 US gal) external tank

Operational Features:

  • Lubrication System: Pre-mixed Fuel and Oil
  • Cooling System: Water-cooled with thermostat
  • Exhaust System: Through propeller hub exhaust
  • Steering: Tiller or Remote
  • Gear Shift: Forward, Neutral, Reverse (F-N-R)
  • Gear Ratio: 2.08:1


  • Material: Aluminum or Stainless Steel (optional)
  • Blades: 3-Blade Design
  • Diameter x Pitch Range: Various options available to match specific boat requirements

Convenience and Control:

  • Tilt and Trim: Manual Tilt
  • Shallow Water Drive: Standard
  • Throttle Adjustment: On Tiller Handle
  • Fuel Connector: Standard Yamaha Fuel Connector

Compliance and Safety:

  • EPA Emission Compliance: Yes
  • Noise Reduction: Integrated Muffler System
  • Emergency Stop Switch: Standard Lanyard

Optional Accessories:

  • Tachometer: Available
  • Hour Meter: Available
  • Engine Cover: Optional protective cover
  • Fuel Tank and Line: Additional or replacement tanks and lines available


  • Standard Warranty: 3 years limited warranty
  • Extended Warranty: Optional Yamaha Extended Service (Y.E.S.) available


  • Ideal For: Small fishing boats, inflatable boats, sailboats, and tenders.
  • Usage: Suitable for both freshwater and saltwater applications.


  • Regular maintenance and proper break-in procedures are recommended to ensure optimal performance and longevity.
  • Always use high-quality fuel and pre-mixed oil as recommended by Yamaha.

This comprehensive listing covers the key aspects and specifications of the Yamaha 9.9 HP 2-Stroke Marine Engine. Always refer to the official Yamaha documentation or an authorized dealer for the most accurate and detailed information.

[Product Type: Engine]

Product Specifications

Outboard Outboard
Engine Type 9.9 HP 2-STROKE
Lubrication 100:1 Premix
Fuelinduction Carb Loop Charged
Starter Manual
Ignition CDI
Alternator 6A
Shaftlength 15/381(in/mm)
Gear Ratio 2.08:1
Rated Speed 4500 r/min
Displacement 246 cm3 (0.25L, 15.01in3)
Cylinders Arrangement/Number 2
Weight 36 kg (79.37lbs)
Power 9 HP (6.71kw)

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