2026 Sea Hunt Gamefish 28 Performance Bulletin

Sea Hunt Gamefish 28 — Powered by Twin Yamaha F300 V6 Engines
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 |
Boat Specifications
- Length: 28' 6"
- Beam: 9' 9"
- Dry Weight: 5,800 lbs
- Maximum HP: 600 hp
- Fuel Capacity: 180 gal
- Weight as Tested: 7,982 lbs
Engine Specifications (Twin F300XSB2)
- Horsepower: 300 hp each
- Displacement: 4.2L
- Gear Ratio: 1.75:1
- Propellers: 15 x 20 Saltwater Series II Stainless Steel
Acceleration
- Time to Plane: 3.80 seconds
- 0–30 MPH: 6.15 seconds
Top-End Speed
Top Speed: 58.2 MPH at 5,900 RPM
Cruising Efficiency
- 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
What This Means for You
- Near-60 MPH capability
- Quick acceleration and powerful torque
- ~2.1 MPG cruising efficiency at 27–33 MPH
- Wide 9' 9" beam for improved balance and dryness
- Yamaha's unmatched reliability and resale value
