Manufacturer Part Number (MPN)
DF9.9BTHX3
Marine Specialist Insight: The Suzuki DF9.9BTHX3 (MPN DF9.9BTHX3) is the ultimate solution for offshore sailboats and high-transom vessels. Featuring a 25-inch extra-long shaft, this model ensures the propeller remains deep in the water even in heavy swells. Engineered with High-Thrust gearing and Power Tilt, it delivers massive displacement power and effortless handling. It is the definitive auxiliary "kicker" for larger offshore fishing boats and the premier choice for serious bluewater sailors.
Extra-Long Reach with Professional Thrust
The Suzuki DF9.9BTHX3 (MPN: DF9.9BTHX3) is built for boats where a standard or even long-shaft motor simply won't reach. The 25-inch (X) shaft is specifically designed for high-transom applications, common on offshore sailboats and as auxiliary power on large powerboats. This motor doesn't just reach further; it pushes harder. With its high-thrust lower unit and specialized propeller, it generates superior low-end torque for exceptional braking and maneuvering control of heavy hulls.
This model is powered by Suzuki's 327cc twin-cylinder engine featuring Battery-Less Electronic Fuel Injection (EFI). This guarantees quick starts and smooth operation in all temperatures without the need for a dedicated battery to power the injectors. Combined with the Suzuki Lean Burn Control System, you get unmatched fuel economy. The integrated Power Tilt allows you to raise the engine completely out of the water at the touch of a button, reducing drag and preventing corrosion while underway or moored.
Technical Specifications
| Official MPN |
DF9.9BTHX3 |
| Shaft Length |
25" (Extra-Long Shaft) |
| Starting System |
Electric Start (+ Manual Backup) |
| Tilt System |
Power Tilt |
| Fuel Delivery |
Battery-Less EFI |
| Alternator Output |
12V 12A |
| Weight |
Approx. 123 lbs (56 kg) |
DF9.9BTHX3 Premium Features:
- 25-Inch Extra-Long Shaft: Perfect for high transoms or sailboat brackets to ensure the prop stays submerged in rough seas.
- High-Thrust Lower Unit: Larger gear ratio and specialized prop for pushing heavy displacement hulls with maximum authority.
- Power Tilt: Effortless lifting and lowering of the motor for easy storage and shallow water operation.
- Battery-Less EFI: Instant, reliable starting and superior throttle response in all environmental conditions.
- Lean Burn Technology: Drastically reduces fuel consumption at cruising speeds for extended range.
Frequently Asked Questions
1. Who needs the 25" (Extra-Long) shaft?
The DF9.9BTHX3 (MPN DF9.9BTHX3) is designed for offshore sailboats with high transoms or for use as a "kicker" on large powerboats where a 20" shaft is too short to reach the water properly.
2. Does this motor charge the battery while running?
Yes. It features a high-output 12V 12A alternator that provides plenty of power to keep your electronics running and your starting battery topped off.
Outboard Motor Specialist | Verified Suzuki Marine Technical Data | MPN: DF9.9BTHX3
