Performance Data
RPM | MPH | GPH | MPG |
|---|---|---|---|
| 1000 | 6.5 | 2.9 | 2.24 |
| 1500 | 8.7 | 4.7 | 1.85 |
| 2000 | 12.2 | 8.0 | 1.53 |
| 2500 | 20.8 | 10.9 | 1.91 |
| 3000 | 27.0 | 12.2 | 2.21 |
| 3500 | 33.3 | 15.4 | 2.16 |
| 4000 | 39.5 | 22.9 | 1.72 |
| 4500 | 45.5 | 30.9 | 1.47 |
| 5000 | 50.2 | 36.6 | 1.37 |
| 5500 | 55.5 | 52.3 | 1.06 |
| 5900 | 58.2 | 53.4 | 1.09 |
Sea Hunt Gamefish 28
| Length | 28' 6" |
|---|---|
| Beam | 9' 9" |
| Dry Weight (Boat Mfr. Pub) | 5,800 lbs |
| Maximum HP | 600 hp |
| Fuel Capacity | 180 gal |
| Weight as Tested | 7,982 lbs |
F300XSB2 / LF300XSB2
| Horsepower | 300 hp |
|---|---|
| Induction | EFI/VCT/DOHC |
| Displacement | 4.2L |
| Weight (Estimated) | 611 - 611 lbs |
| Gear Ratio | 1.75:1 |
Engine Mounting Height
| Mounting Hole Position | #2 |
|---|---|
| Ventilation Plate Height | 3/4" Above Boat Bottom |
Propeller(s)
| Series | Saltwater Series II |
|---|---|
| Diameter x Pitch | 15 x 20 |
| Yamaha Part # | 6CE-45932-20-00 / 6CF-45932-20-00 |
| Propeller Material | Stainless Steel |
Test Conditions
| Number of People | 2 |
|---|---|
| Air / Water Temperature (Fahrenheit) | 77° F / 66° F |
| Elevation (in feet above sea level) | 250' |
| Wind Velocity | 10-15 MPH |
⚡ Lightning-Fast Acceleration
The Gamefish 28 responds instantly to throttle input, even with fuel, gear, and passengers onboard.
Yamaha performance numbers:
Time to Plane: 3.80 seconds
0–30 MPH: 6.15 seconds
This translates to:
Quick lift and strong hole-shot for offshore days
Better control in and out of channels
Confident handling even in heavier chop
🚀 High-Performance Top Speed
Under Yamaha’s test conditions, this setup reached:
➡️ Top Speed: 58.2 MPH at 5,900 RPM
A perfect match for boaters who want:
Fast runs offshore
The ability to stay ahead of shifting conditions
Exciting top-end performance when the water is calm
⛽ Efficient & Comfortable Cruising
The twin F300s offer excellent fuel efficiency in the cruising range.
Key cruising performance:
3,000 RPM → 27.0 MPH → 2.21 MPG
3,500 RPM → 33.3 MPH → 2.16 MPG
4,000 RPM → 39.5 MPH → 1.72 MPG
Benefits for you:
Reliable fuel economy for long days
Smooth, efficient mid-range speed
Great balance of speed and range for Southwest Florida waters
🌊 Built for Offshore Confidence
The Gamefish 28 provides the space, stability, and ride quality that serious boaters demand:
Wide 9′9″ beam for improved balance and dryness
High bow and deeper V for cutting through chop
Large fishing and family layouts for maximum versatility
Yamaha’s 4.2L V6 engines offer smooth torque and low vibration
🔧 Yamaha-Optimized Test Setup
Yamaha tested this configuration with:
15″ × 20″ stainless steel props
#2 mounting hole
¾″ above-bottom ventilation plate height
Real-world performance will vary depending on fuel load, crew size, gear weight, sea conditions, bottom cleanliness, and prop choice — but this bulletin provides a dependable performance benchmark.
💡 What This Means for You
Choosing the Gamefish 28 with twin Yamaha F300s provides:
✔ Near-60 MPH capability
✔ Quick acceleration and powerful torque
✔ ~2.1 MPG cruising efficiency at 27–33 MPH
✔ Yamaha’s unmatched reliability and resale value
✔ A perfect blend of comfort, capability, and performance
🚤 Offshore Power. Smooth Cruising. Yamaha Performance.
If you’re looking for a fast, capable 28-foot center console that handles offshore conditions with confidence while offering excellent cruising efficiency, the Gamefish 28 with twin F300s is an ideal choice.