Used 2005 Yamaha 90 HP 2-Stroke Outboard Motor – Inline 3-Cylinder – 20″ Shaft – 400 Hours

Engine Features at a Glance

• Condition: Used JDM Engine – Compression Tested & Inspected
• Horsepower: 90 HP
• Year: 2005
• Engine Type: 2-Stroke
• Cylinder Configuration: Inline 3-Cylinder
• Displacement: Approximately 1,140 cc
• Hours: Approximately 400 Hours
• Shaft Length: 20″
• Lubrication: Yamaha oil-injection system
• Gear Ratio: 2.00:1
• Starting: Electric start configuration

Yamaha Outboard Technical Specifications

Manufacturer specifications may vary slightly depending on the exact model designation and configuration. Confirm the engine identification/serial number before ordering if exact factory specifications are required.

Outboard Features and Equipment

• Proven Yamaha 90 HP 2-stroke platform
• Inline 3-cylinder configuration
• 1,140 cc displacement
• 20-inch long shaft
• Oil-injection lubrication system
• Electric starting system
• Strong power-to-weight performance
• Simple, serviceable 2-stroke design
• Approximately 400 operating hours
• Compression tested and inspected
• Suitable for replacement and repower applications

Performance and Repower Benefits

The Yamaha 90 HP 2-stroke is a popular choice for boat owners who value reliability, straightforward maintenance, strong acceleration, and proven Yamaha engineering.

Compared with many heavier four-stroke alternatives, this inline-3 two-stroke offers a relatively lightweight package while still delivering 90 HP. Its straightforward mechanical design also makes it an attractive option for boaters who prefer a traditional two-stroke outboard.

At approximately 400 hours, this engine has a reasonable amount of operating time for its age, particularly when combined with its reported maintenance history and inspection.

Performance & Applications

The 90 HP Yamaha 2-stroke is suited to a wide range of recreational and fishing applications where a reliable 90 HP outboard is required.

Potential applications include:

• Fishing boats
• Aluminum fishing boats
• Bass boats
• Flats boats
• Center-console boats
• Utility boats
• Family recreational boats
• Pontoon boats where 90 HP is appropriate
• Replacement and repower projects

Always verify the boat manufacturer’s maximum horsepower rating, transom height, steering arrangement, controls, and required rigging before installation.

Compatible Boat Types

This 20-inch-shaft Yamaha 90 HP outboard can be suitable for boats designed around a 20-inch transom, including many fishing, recreational, aluminum, center-console, and utility boats.

Compatibility depends on the boat’s transom height, maximum rated horsepower, control system, steering configuration, and rigging requirements. Buyers should verify these measurements and requirements before purchase.

Engine Condition and Service History

This is a used JDM Yamaha outboard that has been compression tested and inspected.

The engine has approximately 400 hours and is reported to have been well maintained, with all systems functioning properly.

As with any used marine engine, cosmetic signs of previous use may be present. Buyers should review available photos and confirm the engine’s condition, model number, serial number, compression results, and included equipment before completing the purchase.

Included Equipment

This outboard is sold as a complete ready-to-mount-and-run package, with the applicable equipment and components supplied with the engine.

Included equipment should be confirmed from the listing photos and with the sales team before purchase, particularly if you require specific controls, wiring, steering components, propeller, or other rigging equipment for your boat.

Important Before Purchase

Before ordering, please confirm:

1. Your boat requires a 20-inch shaft.
2. Your boat is rated for a 90 HP outboard.
3. Your boat’s steering and control system are compatible with the engine.
4. The available transom height is correct for this outboard.
5. The engine’s model and serial number are suitable for your intended application.
6. Any required controls, wiring, steering components, propeller, or other rigging components are confirmed before purchase.

Frequently Asked Questions

1. How many hours does this Yamaha 90 HP have?

This 2005 Yamaha 90 HP 2-stroke has approximately 400 hours. For a 2005 engine, this represents a reasonable and moderate amount of use, particularly considering the engine’s reported maintenance history.

2. What type of engine is this?

It is a 90 HP 2-stroke inline 3-cylinder Yamaha outboard with approximately 1,140 cc displacement and Yamaha’s oil-injection system.

3. What shaft length does this Yamaha have?

This engine has a 20-inch shaft, making it suitable for boats designed for a standard 20″ transom.

Order Your Yamaha Outboard from Machinery Store

Confirm your boat’s horsepower rating, transom height, steering and rigging compatibility before installation. Contact Machinery Store to confirm availability, the exact package contents, delivery charges and any applicable warranty terms.