Buy 2005 Yamaha 300HPDI 300HP V6 two-stroke direct injection outboard
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Used

Yamaha

2005 Yamaha 300HPDI

$3,000.00

The 2005 Yamaha 300 HPDI is a 300-horsepower, 2-stroke High-Pressure Direct Injection (HPDI) outboard engine with a V6 configuration. It delivers strong power for larger boats and offshore use, combining direct fuel injection efficiency with Yamaha’s durable marine engineering.

Horsepower

300 HP

Fuel Type

gasoline

Year

2005

Hours

570

Displacement

3.3L

Stroke

2-Stroke

Rated Output

224kW / 300 mhp

Rated Speed

5500rpm

In Stock (3 available)
Free shipping on orders over $500
90-day warranty included

Description

Buy used 2005 Yamaha 300 HPDI 2-Stroke outboard motors or explore new engines for sale built for dependable offshore performance and proven marine power. The 2005 Yamaha 300 HPDI is a popular choice for buyers searching for high-horsepower outboard engines, replacement boat motors, and reliable marine propulsion systems. Designed for strong acceleration, responsive handling, and long-term durability, this outboard delivers dependable performance for recreational and offshore boating applications. The 2005 Yamaha 300 HPDI outboard is engineered to provide powerful output, smooth operation, and consistent marine performance across demanding water conditions. Built with Yamaha’s High Pressure Direct Injection (HPDI) technology, this engine supports efficient fuel delivery and dependable throttle response. Configured with a 25-inch shaft, the Yamaha 300 HPDI is designed to support larger vessel setups and offshore applications requiring stable propulsion and reliable power transfer. Its proven two-stroke platform delivers strong acceleration and excellent mid-range performance. With approximately 570 operating hours, this outboard remains in excellent condition and is built to continue delivering dependable marine operation. The engine starts easily, shifts smoothly, and maintains responsive power throughout the RPM range. Strong compression and reliable trim and tilt functionality support efficient everyday use and dependable handling on the water. This setup is designed for practical installation and streamlined ownership. Included with a complete rigging package, the 2005 Yamaha 300 HPDI offers a ready-to-install solution for boat owners seeking dependable marine performance and proven Yamaha engineering. Ideal for offshore boats, center consoles, fishing vessels, and recreational marine applications, this outboard remains a trusted option for repower projects and long-term boating reliability. Key Features: • 2005 Yamaha 300 HPDI 2-stroke outboard engine • High Pressure Direct Injection (HPDI) technology • 25-inch shaft configuration • Approximately 570 operating hours • Strong compression and dependable operation • Smooth shifting and responsive acceleration • Reliable trim and tilt functionality • Complete rigging package included • Suitable for offshore and recreational boating • Built for dependable long-term marine performance

Specifications

SKUY202147
BrandYamaha
CategoryOutboard Engines
ConditionUsed
Horsepower300 HP
Fuel Typegasoline
Year2005
Displacement3.3L
No. of Cylinders6 cylinders
Stroke2-Stroke
Shaft Length25
Weight573.00 lbs
Hours570
Rated Output224kW / 300 mhp
Rated Speed5500rpm
Cylinder Bore x Stroke90 mm x 96 mm
Combustion SystemHPDI – High Pressure Direct Fuel Injection
AspirationNatural
Alternator50amps
Dry Weight260 kg / 573lbs
ControlsMechanical

Frequently Asked Questions

What is the horsepower rating of the 2005 Yamaha 300HPDI?

The 2005 Yamaha 300HPDI produces 300 horsepower, making it a powerful outboard suitable for large offshore boats and high-performance applications.

What type of engine is the Yamaha 300HPDI?

It is a 2-stroke V6 outboard engine featuring Yamaha’s High Pressure Direct Injection (HPDI) technology for improved fuel efficiency and strong acceleration.

What is HPDI technology?

HPDI (High Pressure Direct Injection) delivers fuel directly into the combustion chamber at high pressure, improving throttle response, fuel economy, and overall performance compared to traditional 2-stroke engines.

What is the engine displacement?

The 2005 Yamaha 300HPDI has a displacement of approximately 3.3 liters (3,259 cc).

How many cylinders does the Yamaha 300HPDI have?

It features a V6, 6-cylinder configuration.

What type of fuel does the Yamaha 300HPDI use?

The engine runs on unleaded gasoline and requires 2-stroke oil through an oil injection system.

What is the recommended oil type?

Yamaha recommends Yamalube 2-Stroke HPDI oil for optimal lubrication and long-term engine reliability.

Is the 2005 Yamaha 300HPDI fuel-efficient?

For a high-horsepower 2-stroke engine, it offers good fuel efficiency, especially at cruising speeds, thanks to HPDI technology.

What shaft lengths are available

The 2005 Yamaha 300HPDI was commonly available in 20-inch (L) and 25-inch (XL) shaft lengths.

What boats is this engine best suited for?

It is ideal for offshore fishing boats, center consoles, walkarounds, and large performance boats that require high power and strong torque.

Does the Yamaha 300HPDI have electric start?

Yes, it comes equipped with electric start and power trim and tilt.

Is the 2005 Yamaha 300HPDI reliable?

When properly maintained, the Yamaha 300HPDI is known for strong performance and durability, though routine maintenance and correct oil use are essential.

Is this engine good for repowering?

Yes, it can be a cost-effective repower option for boaters seeking strong performance, provided the transom rating and weight are compatible.

What kind of maintenance does it require?

Regular maintenance includes spark plug replacement, injector cleaning, oil system checks, gear oil changes, and fuel system inspections.