2025 Regulator 31 Performance Bulletin
Regulator 31 — Powered by Twin Yamaha F350 V6 4.3L Engines
Real-World Offshore Performance Insights
The Regulator 31 delivers the legendary ride quality the brand is known for — deep-V stability, smooth offshore handling, and premium construction. Paired with twin Yamaha F350s, this boat offers powerful acceleration, strong mid-range cruising, and excellent top-end capability for serious Gulf and offshore anglers.
Performance Data
| RPM | MPH | GPH | MPG |
|---|---|---|---|
| 1000 | 6.4 | 2.6 | 2.49 |
| 1500 | 8.6 | 4.4 | 1.98 |
| 2000 | 10.0 | 7.4 | 1.34 |
| 2500 | 13.6 | 12.2 | 1.11 |
| 3000 | 17.6 | 15.5 | 1.13 |
| 3500 | 26.1 | 18.6 | 1.40 |
| 4000 | 35.2 | 25.3 | 1.39 |
| 4500 | 40.5 | 30.8 | 1.32 |
| 5000 | 45.7 | 39.8 | 1.15 |
| 5500 | 51.3 | 54.2 | 0.95 |
| 6100 | 56.6 | 62.8 | 0.90 |
Boat Specifications
- Length: 31' 4"
- Beam: 10' 4"
- Dry Weight: 9,400 lbs
- Maximum HP: 900 hp
- Fuel Capacity: 300 gal
- Weight as Tested: 12,158 lbs
Engine Specifications (Twin F350XSA2)
- Horsepower: 350 hp each
- Displacement: 4.3L
- Gear Ratio: 1.75:1
- Propellers: 15 x 20 Saltwater Series II Stainless Steel
Offshore Acceleration
Twin Yamaha 350s provide the torque needed for a heavy 31' deep-V hull:
- 0–30 MPH: 7.46 seconds
Strong lift with passengers, fuel, and gear. Quick response in the open Gulf. Predictable handling in rougher water.
Top-End Speed
In Yamaha's certified testing, the Regulator 31 reached a top speed of 55.1 MPH at 5,950 RPM — ideal for running far offshore quickly and efficiently.
Cruising Efficiency
- 3,000 RPM → 30.4 MPH → 1.84 MPG
- 3,500 RPM → 39.8 MPH → 1.79 MPG
- 4,000 RPM → 46.7 MPH → 1.59 MPG
Built for True Bluewater Confidence
The Regulator 31 is designed for serious offshore use:
- Deep-V hull slices through challenging seas
- Wide beam (over 10') provides stability and deck space
- Massive cockpit layout ideal for anglers and gear
- Yamaha's V6 4.3L F350s deliver smooth torque and quiet thrust
What This Means for You
Choosing the Regulator 31 with twin Yamaha F350s provides:
- Strong 55+ MPH offshore performance
- Fast, confident acceleration
- Practical cruise economy in the 1.6–1.9 MPG range
- One of the best-riding 31' hulls in the offshore category
- Yamaha reliability and long-term durability
Note: Actual performance will vary based on fuel load, gear/ice weight, number of passengers, bottom cleanliness, and propeller choice.
