2026 Sea Hunt Ultra 255 SE Performance Bulletin
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Sea Hunt Ultra 255 SE — Powered by Single Yamaha F350 V6 4.3L Engine
Performance Data
| RPM | MPH | GPH | MPG |
|---|---|---|---|
| 1000 | 6.5 | 1.7 | 3.91 |
| 1500 | 6.5 | 1.7 | 3.91 |
| 2000 | 9.0 | 3.4 | 2.63 |
| 2500 | 12.6 | 5.3 | 2.40 |
| 3000 | 16.3 | 6.9 | 2.37 |
| 3500 | 27.9 | 8.3 | 3.38 |
| 4000 | 33.6 | 10.9 | 3.08 |
| 4500 | 38.2 | 13.8 | 2.78 |
| 5000 | 42.9 | 18.2 | 2.36 |
| 5500 | 47.3 | 22.7 | 2.09 |
| 6100 | 52.8 | 31.4 | 1.68 |
Boat Specifications
- Length: 24' 11"
- Beam: 8' 9"
- Dry Weight: 4,600 lbs
- Maximum HP: 350 hp
- Fuel Capacity: 120 gal
- Weight as Tested: 6,129 lbs
Engine Specifications (F350XSA2)
- Horsepower: 350 hp
- Displacement: 4.3L
- Gear Ratio: 1.75:1
- Propellers: 15-1/4 x 18 Saltwater Series II Stainless Steel
Acceleration
- Time to Plane: 4.58 seconds
- 0–30 MPH: 7.15 seconds
Top-End Speed
Top Speed: 52.8 MPH at 6,100 RPM
Cruising Efficiency
- 3,000 RPM → 16.3 MPH → 2.37 MPG
- 3,500 RPM → 27.9 MPH → 3.38 MPG
- 4,000 RPM → 33.6 MPH → 3.08 MPG
What This Means for You
- A sporty, powerful 25-ft platform
- Top speeds over 52 MPH
- Excellent cruising efficiency, especially around 3,000–4,000 RPM
- Lower maintenance and cost vs. twin-engine rigs
- Yamaha reliability, resale strength, and low vibration performance
