What Is Yamaha Jet Drive Outboard Motor?
Yamaha Jet Drive Outboard Motor features an innovative design, using water jet propulsion instead of the traditional propeller method to propel the vessel forward. Like outboard engines with a propeller, jet outboard motors are also available in two-stroke and four-stroke. The jet drive outboard motors from KLS Supplier are 2-stroke boat motors, available in 15 hp, 30 hp, 40 hp, and 60 hp. So are you interested in our outboard jet motor prices?
Technical Specifications
| Product Name | Jet Drive Outboard Motor | Product Type | Two Stroke Outboard Motor |
| Rated Power | 15HP & 30HP & 40HP & 60HP | Engine Type | 2 Stroke |
| Starting System | Manual Start & Electric Start | Control System | Tiller Control & Remote Control |
| Bore* Stroke | 80*70MM | Full Throttle Speed Range | 4500-5500RPM |
| Dimensions (L x W x H) | 1008*1000*60MM | Fuel Type | Gasoline |
| Gear Shift | Forward-Neutral-Reverse | Product Quality | 100% Tested |
| Delivery | Express & Air Freight & Sea Freight | Product Warranty | One Year 12 Months |
Working Principle
The working principle of the Yamaha Jet Drive Outboard Motor is completely different from that of an outboard motor with a propeller. A jet drive outboard engine works by drawing water from the hull into the ship's hull using a propulsion pump, and then spraying it at high speed through nozzles to the stern. The thrust generated by the change in the flow of water in and out propels the ship forward.
Key Features Of Jet Outboard
1. Excellent maneuverability;
2. Strong shallow water capability;
3. Higher engine speed;
4. Minimum draft;
5. Low risk of damage from underwater obstacles.
6. Smoother operation and lower underwater noise.
7. Better anti-cavitation performance at high speeds, resulting in higher propulsion efficiency.
8. Excellent maneuverability.
9. Good reliability.
10. Strong adaptability to various conditions.
11. More suitable for heavy loads or diameter-restricted applications.
Benefits
1. Superior Shallow Water Passage:
The biggest advantage of jet drive boat motors is their ability to navigate areas inaccessible to propeller outboard motors. Propeller boat engines require a certain water depth, while jet drive boat engines do not. With the water inlet close to the hull and an extremely shallow draft, they can operate normally even in water depths of just over ten centimeters. They can operate stably in shallow waters, rivers, reservoir edges, and even seasonal waters.
2. Higher Safety:
The absence of an exposed propeller eliminates the risks associated with external rotating parts, such as the propeller getting caught in weeds, fishing nets, ropes, etc., and the risk of blade injury.
3. Excellent Instantaneous Acceleration And Maneuverability:
Jet drive marine motors offer very direct thrust response during start-up, and possess strong on-the-spot turning and braking capabilities.
4. Stronger Collision Resistance:
Without a propeller, they are unaffected by underwater obstacles. The key components of the jet drive marine engine are internal, resulting in a smoother external structure and stronger impact resistance.
Jet Drive Outboard Motor Suitable For
1. Shallow waters.
2. Waters with dense aquatic plants.
3. Waters with many rocks and sandy bottoms.
4. Waters with a lot of floating debris.
5. Narrow or complex waterways.
6. Waters with high safety requirements.
Jet Drive Outboard Motor Vs Propeller Outboard Motor
Commonalities are as follows:
1. Core function is the same: to provide forward propulsion for the vessel.
2. Power source is the same: a two-stroke internal combustion engine.
3. Installation method is the same.
4. Some maintenance requirements are the same, such as changing the engine oil and replacing the spark plugs, etc.
Comparison Table of Differences
| Item | Jet Drive Outboard Motor | Propeller Outboard Motor |
| Propulsion Principle | The impeller draws water into the pump casing and then ejects it at high speed, generating a reaction force | Thrust is generated by the rotation of the propeller |
| Draft | Shallower | Deeper |
| Safety | High security | Exposed propeller poses a certain danger |
| Efficiency And Speed | It suffers from energy loss, has low efficiency, and consumes more fuel | More efficient and faster |
| Applicable Environments | Extremely shallow shoals, riverbeds filled with gravel, and rocky streams | Deep waters, open seas, and places with abundant aquatic plants but relatively deep depths |
Different HP Jet Drive Boat Engines & Different Parameters
| Item | 40HP | 60HP | 90HP | 115HP | 150HP |
| Engine | SOHC, In-Line 3 | SOHC, In-Line 4 | SOHC, In-Line 4 | 16-Valve, DOHC, In-Line 4 | 16-Valve, DOHC, In-Line 4 |
| Dry Weight | 103KG | 116KG | 161KG | 171KG | 225KG |
| Full Throttle RPM Range | 5000 ~ 6000 RPM | 5000 ~ 6000 RPM | 5000 ~ 6000 RPM | 5000 ~ 6300 RPM | 5000 ~ 6000 RPM |
| Alternator | 16A | 17A | 35A | 35A | 35A |
| Fuel Induction System | EFI | EFI | EFI | EFI | EFI |
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