Manufacturer Part Number (MPN)
DF9.9BS3
Marine Specialist Insight: The Suzuki DF9.9BS3 (MPN DF9.9BS3) is the industry's most advanced manual-start 9.9 HP outboard. By utilizing Suzuki's revolutionary Battery-Less Electronic Fuel Injection, this motor provides the effortless starting and smooth idling of EFI without the added weight or complexity of a battery system. The "S3" configuration features a 15-inch short shaft, making it the premier choice for aluminum fishing boats, inflatables, and small skiffs that require punchy performance in a lightweight package.
The EFI Evolution: No Battery Required
The Suzuki DF9.9BS3 (MPN: DF9.9BS3) redefines what a portable outboard can do. This 4-stroke engine features a 208cc twin-cylinder SOHC powerhead that delivers incredible torque and throttle response. Because it is battery-less, you enjoy all the benefits of digital fuel injection—including fast starts in cold weather and automatic altitude compensation—while keeping the motor light enough for easy transport and mounting.
Equipped with the Suzuki Lean Burn Control System, the DF9.9BS3 constantly adjusts the air-fuel ratio based on engine conditions. This results in superior fuel economy and fewer trips to the gas dock. The ergonomic tiller handle is designed for maximum operator comfort, featuring a large shift lever and integrated throttle tensioner that makes precision maneuvering and trolling a breeze.
Technical Specifications
| Official MPN |
DF9.9BS3 |
| Horsepower |
9.9 HP |
| Shaft Length |
15" (Short Shaft) |
| Starting System |
Manual Recoil Start |
| Fuel Delivery |
Battery-Less EFI |
| Weight |
Approx. 97 lbs (44 kg) |
| Full Throttle RPM |
5,200 - 6,200 RPM |
DF9.9BS3 Key Features:
- Battery-Less EFI: Experience the smooth idling and instant throttle response of fuel injection with the simplicity of manual starting.
- Lean Burn Technology: Drastically improves fuel mileage by optimizing air-fuel ratios during cruising.
- Lightweight Portability: One of the lightest fuel-injected outboards in its class, featuring a large carry handle.
- Digital CDI Ignition: Provides a strong, consistent spark for effortless ignition in any weather conditions.
- Over-Rev Limiter: Integrated safety feature protects your engine from damage during prop-ventilation or excessive RPMs.
Frequently Asked Questions
1. How does EFI work without a battery?
The manual pull of the recoil starter generates enough electrical energy to power the fuel pump, ECU, and injectors instantly, allowing the DF9.9BS3 to start as easily as a standard carbureted motor.
2. Does this motor include a fuel tank?
Yes, the Suzuki DF9.9BS3 typically includes a 3.2-gallon (12L) external fuel tank, fuel hose, and a factory-matched aluminum propeller.
Outboard Motor Specialist | Verified Suzuki Marine Technical Data | MPN: DF9.9BS3
