fits make: Yamaha.

( Manufacturer Part Number: 6G8-85550-11-00 ), ( Part Type: Start Hp Flywheel ), ( Country Of Origin: Japan )
The **Yamaha 6G8-85550-11-00 9.9 Horsepower Outboard Motor** with an electric start and flywheel is a robust and versatile powerhouse designed to elevate your boating experience with reliability, efficiency, and cutting-edge technology. Engineered for both performance and ease of use, this outboard delivers a balanced blend of power and fuel efficiency, making it an ideal choice for a wide range of vessels, from mid-sized fishing boats and personal watercraft to small cruisers and utility boats. The **9.9 horsepower** output provides ample thrust for smooth acceleration and responsive handling, ensuring effortless maneuverability whether you're navigating calm waters or tackling light chop. One of its standout features is the **electric start system**, which eliminates the hassle of manual pull-starting, allowing you to ignite the engine with the push of a button perfect for quick launches or after long periods of inactivity. This convenience is further complemented by Yamaha s reputation for durability, as the motor is built with precision-crafted components, including a high-performance **4-stroke engine** that minimizes emissions and maximizes fuel economy, reducing operational costs while adhering to environmental standards.
The **flywheel** on this model serves a dual purpose: it enhances the engine s torque delivery for better low-end power and contributes to smoother operation by reducing vibration and wear on critical components. Yamaha s **EFI (Electronic Fuel Injection)** system ensures optimal fuel-air mixture for consistent power output and easier cold starts, even in cooler conditions. The motor s compact yet sturdy design integrates seamlessly with various hull types, and its lightweight construction doesn t compromise on strength, thanks to materials like high-grade aluminum and reinforced casings. For added convenience, the **electric start** is paired with a **remote control**, allowing you to start the engine from the dock or your boat s cockpit without ever leaving your seat. Maintenance is streamlined with Yamaha s user-friendly design, featuring accessible components like the **oil change system** and **fuel filter**, which can be serviced with minimal effort. Whether you re an avid angler, a weekend cruiser, or a boating enthusiast seeking reliability, this **9.9 HP Yamaha outboard** combines power, efficiency, and innovation to deliver a premium boating experience that s as enjoyable as it is dependable.
### **Pros and Cons of buying a Yamaha 6G8 85550-11-00 (9.9 HP Outboard with Flywheel and Electric Start)**
#### **Pros**
1. **Reliable Performance** Yamaha is a well-known brand with a reputation for durability and consistent power output. The 9.9 HP engine is suitable for small boats, canoes, or kayaks, providing steady propulsion for leisure or light fishing.
2. **Electric Start** The electric start feature makes ignition quick and convenient, reducing the need for manual pull-starting. This is particularly useful in cold weather or when the boat is frequently used.
3. **Flywheel Design** The flywheel helps improve throttle response and smooth operation, making the engine easier to control, especially for beginners or those who prefer a more responsive drive.
4. **Fuel Efficiency** At 9.9 HP, this engine is designed for smaller vessels, meaning it consumes less fuel compared to larger outboards. This can be cost-effective for occasional or short-duration use.
5. **Low Maintenance** Yamaha engines are generally easier to maintain than some competitors, with accessible components and a strong aftermarket support system for parts and repairs.
6. **Versatility** The 9.9 HP range is ideal for small boats, canoes, paddleboards, or even as a backup engine for larger vessels. It can handle calm waters and light loads without strain.
7. **Quiet Operation** Compared to larger engines, this model runs more quietly, which is beneficial for noise-sensitive environments like lakes or residential areas.
8. **Resale Value** Yamaha outboards tend to hold their value well, making this a potentially good long-term investment if you plan to sell it later.
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#### **Cons**
1. **Limited Power for Larger or Heavier Loads** At 9.9 HP, this engine is not suitable for larger boats, jet skis, or heavily loaded vessels. It may struggle with waves, strong currents, or boats weighing significantly more than its recommended capacity.
2. **Cold Weather Limitations** While it has an electric start, smaller engines like this can still be sensitive to cold temperatures. Pre-start procedures (like adding fuel stabilizer) may be necessary in winter conditions.
3. **Not Ideal for High-Speed Use** The engine is designed for cruising and light activity rather than high-speed racing or towing. It may not accelerate quickly or handle rough water well.
4. **Potential for Overloading** If used on a boat that exceeds its recommended weight capacity, the engine may overheat or fail prematurely. Always check the manufacturer s guidelines.
5. **Limited Aftermarket Support for Older Models** If this is a discontinued or older model, finding replacement parts or service centers may be more difficult than for newer Yamaha engines.
6. **Noise and Vibration** While quieter than larger engines, it may still produce noticeable noise and vibration, which could be an issue for sensitive users or in quiet settings.
7. **Storage and Handling** The compact size of the engine makes it easy to store, but it may require careful handling during installation or removal to avoid damage.
8. **Fuel and Emissions Regulations** Depending on your location, smaller engines may face stricter emissions or fuel regulations, potentially requiring upgrades or modifications over time.
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### **Conclusion**
The **Yamaha 6G8 85550-11-00 (9.9 HP outboard with flywheel and electric start)** is a solid choice for **small boats, canoes, kayaks, or paddleboards** where power needs are minimal and convenience (like electric start) is a priority. It offers **reliability, fuel efficiency, and ease of use**, making it ideal for **recreational use, fishing, or light cruising in calm waters**. However, it is **not suitable for larger boats, high-speed applications, or rough conditions**, where a more powerful engine would be necessary.
If you need **a dependable, low-maintenance engine for a small vessel** and can operate within its limitations, this Yamaha model is a **good investment**. However, if you require **more power, speed, or versatility**, you may need to consider a larger or more advanced outboard.
### **Recommendation**
**Buy this engine if:**- You have a small boat (under 1,000 lbs) and need reliable, easy-to-start power.
- You prioritize convenience (electric start) and fuel efficiency.
- You plan to use it primarily in **calm waters** for leisure, fishing, or light transport.
**Avoid this engine if:**- Your boat is **heavy, large, or designed for speed/towing**.
- You frequently operate in **rough water or strong currents**.
- You need **high performance or heavy-duty capabilities**.
For most **small-boat owners looking for a hassle-free, mid-range engine**, this Yamaha is a **strong and practical choice**. Always verify compatibility with your boat s specifications before purchasing.
Removed from a running 2003 Yamaha 9.9 4 stroke.