New
Honda15 HP
Honda BF15
2016 · gasoline
$2,200.00
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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
2005 Yamaha 300 HPDI 2-Stroke 25” Shaft Outboard Motor
Excellent condition 2005 Yamaha 300 HPDI Runs perfectly, only 570hours.
Good compression, starts right up, shifts smoothly, revv’s up nicely, trim till works well. This is a bolt-on-and-go motor.
Comes with a full set of rigging.
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.
