Description
2005 Yamaha 90 HP 3-Cylinder 2-Stroke 20″ Outboard Motor
The 2005 Yamaha 90 HP 3-Cylinder 2-Stroke 20″ Outboard Motor is a proven mid-range outboard renowned for its strong acceleration, lightweight design, and dependable performance. Powered by a 1,140 cc (69.6 cu. in.) inline 3-cylinder loop-charged 2-stroke engine, this model delivers excellent torque and rapid throttle response, making it an ideal choice for fishing boats, bay boats, center consoles, aluminum boats, and recreational watercraft. Its efficient induction system and Precision Blend oil-injection technology eliminate the need for premixing fuel while ensuring proper engine lubrication. (Yamaha Marine Owner’s Manual, 2005) 2005 Yamaha 90 HP 3 Cylinder 2 Stroke 20
Built with a 20-inch (Long Shaft), electric start, and remote steering, the Yamaha 90 HP offers smooth operation and easy handling. Its CDI (Capacitor Discharge Ignition) system provides reliable starting and dependable performance, while the Power Trim & Tilt system allows effortless adjustment of engine angle for improved efficiency, shallow-water operation, and easier trailering. Yamaha’s corrosion-resistant construction and durable marine-grade components make this engine well suited for both freshwater and saltwater use. 2005 Yamaha 90 HP 3 Cylinder 2 Stroke 20
Specifications for 2005 Yamaha 90 HP 3 Cylinder 2 Stroke 20
- Model Year: 2005
- Engine Type: Inline 3-Cylinder, Loop-Charged 2-Stroke
- Horsepower: 90 HP
- Displacement: 1,140 cc (69.6 cu. in.)
- Fuel System: 3 Carburetors
- Oil System: Precision Blend Oil Injection
- Ignition System: CDI (Capacitor Discharge Ignition)
- Starting System: Electric Start
- Steering: Remote Steering
- Shaft Length: 20″ (Long Shaft)
- Trim & Tilt: Power Trim & Tilt
- Gear Shift: Forward, Neutral, Reverse
- Gear Ratio: 2.00:1
- Alternator Output: 10 Amps
- Recommended Full Throttle RPM: 4,500–5,500 RPM
- Fuel Type: Unleaded Gasoline (87 Octane Minimum)
- Approximate Dry Weight: 261 lbs (118 kg)
Key Features for 2005 Yamaha 90 HP 3 Cylinder 2 Stroke 20
- Lightweight 1,140 cc inline 3-cylinder 2-stroke engine.
- Strong hole-shot acceleration and excellent mid-range torque.
- Precision Blend oil injection eliminates fuel/oil premixing.
- Three-carburetor induction system provides responsive performance.
- Reliable CDI ignition for quick starts.
- Power Trim & Tilt for improved handling and shallow-water operation.
- Through-hub exhaust for quieter operation.
- Corrosion-resistant construction for freshwater and saltwater durability.
- Simple, proven mechanical design for easy maintenance.
- Excellent power-to-weight ratio for outstanding boat performance.
Ideal Applications
- Center console boats
- Aluminum fishing boats
- Bay boats
- Bass boats
- Skiffs
- Utility boats
- Small offshore fishing boats
- Recreational runabouts
Why Choose the 2005 Yamaha 90 HP 2-Stroke?
The 2005 Yamaha 90 HP 3-Cylinder 2-Stroke remains one of Yamaha’s most respected mid-range outboards thanks to its lightweight construction, responsive power delivery, and legendary reliability. Its oil-injection system, durable carbureted design, and strong performance make it an excellent choice for boaters seeking a dependable engine that is easy to maintain and delivers outstanding acceleration. Whether you’re fishing, cruising, or enjoying watersports, this Yamaha 90 HP provides the performance and durability that have made Yamaha outboards trusted worldwide. 2005 Yamaha 90 HP 3 Cylinder 2 Stroke 20
Clean Used 2005 Yamaha 90 HP 3 Cylinder 2 Stroke 20″ Carbureted Outboard Motor. The model & Serial number decal missing. The manufacturing decal indicates it was built on 11/05. Oil Injected. 120-121 PSI compression on all 3 cylinders. Power Tilt & Trim. New Paint and Decals. The lower unit has a skeg guard on it as it likely has a broken skeg beneath it.
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