YAMAHA Engine Motor Great Some Fins 843.YAMM14

( Manufacturer Part Number: XV950 ), ( Conditions Options: Run Great, Some Broken Fins ), ( Genuine Oem: Yes ), ( Ipn: 843.yamm14 ), ( Descriptionpartcondition: 2014 Yamaha Xv950 Oem Engine Motor Runs Great Some Broken Fins ), ( Type: Complete Assembly )

Review YAMAHA Oem Engine Motor Runs Great Some Broken Fins fits XV950 843 2014

The **Yamaha XV950 Thundercat (2014 model, YAMM14, engine code 843.YAMM14)** is a legendary cruiser motorcycle that embodies the perfect blend of classic American style and Japanese engineering precision, making it a standout choice for riders seeking both timeless appeal and modern performance. This bike is powered by a **944cc, liquid-cooled, inline-four engine (YAMM14)** a refined evolution of Yamaha s legendary XJ engine delivering a smooth, torque-rich ride with a broad powerband that thrives from low to high RPM. The **843.YAMM14 engine** is a masterpiece of balance, featuring a single overhead camshaft, four valves per cylinder, and a compact, lightweight design that enhances agility without sacrificing power. With **110 horsepower and 70 lb-ft of torque**, the Thundercat accelerates with surprising grace, offering a linear, engaging throttle response that rewards both cruising and spirited riding. The engine s **fins and cooling fins** are strategically placed to optimize airflow, ensuring efficient heat dissipation while maintaining an aggressive, muscular aesthetic that complements the bike s aggressive stance.

The **XV950 s frame and chassis** are a testament to Yamaha s commitment to both comfort and handling, featuring a **steel trellis frame** that provides a classic cruiser feel while incorporating modern geometry for improved stability and maneuverability. The **adjustable rear suspension** and **dual shocks** offer a plush, well-damped ride, absorbing road imperfections with ease, while the **front fork** delivers precise steering feedback. The bike s **low seat height (27 inches)** and **extended wheelbase** contribute to its relaxed, laid-back riding position, ideal for long-distance comfort, though its **aggressive fairings and LED lighting** give it a sportier edge compared to traditional cruisers. The **wide, low-profile handlebars** and **ergonomic footpegs** further enhance rider control, making the Thundercat versatile for both highway cruising and twisty backroads.

Underneath its **sleek, matte-black or metallic paint finishes**, the XV950 boasts a **sophisticated instrument cluster** with a **digital speedometer, tachometer, and fuel gauge**, complemented by a **rear-view mirror system** that includes a **center-mounted camera** (on later models) for enhanced visibility. The **TFT display** (on select configurations) adds a touch of modernity, providing real-time data such as gear position, trip meters, and fuel efficiency. The **TLE (Touring Light Emission) package** further elevates the bike s premium appeal, featuring **LED taillights, turn signals, and a sleek headlight**, creating a striking, futuristic look that sets it apart from conventional cruisers. The **wide, aggressive fairings** not only enhance aerodynamics but also provide ample storage space, including a **top case and saddlebags** (available as optional accessories) for long-distance touring.

What truly makes the **2014 Yamaha XV950 Thundercat** a collector s item is its **rare combination of heritage and innovation**. This bike bridges the gap between the **bold, retro-inspired designs of the 1970s** and the **cutting-edge technology of the 21st century**, making it a favorite among riders who appreciate both style and substance. The **YAMM14 engine s reliability** and **low-maintenance design** ensure that it remains a dependable companion for years to come, while its **torquey, smooth power delivery** makes it equally at home on the highway or winding country roads. Whether you're drawn to its **aerodynamic silhouette, premium build quality, or the thrill of its responsive handling**, the XV950 delivers an experience that is as rewarding as it is distinctive. For enthusiasts seeking a motorcycle that turns heads while providing a refined, high-performance ride, the **2014 Yamaha XV950 Thundercat** stands as a timeless masterpiece in the cruiser segment.

### **Pros and Cons of Buying a 2014 Yamaha 843 (YAMM14) with an XV950 Engine and "Great Fins"**

1. **Reliable Engine** The XV950 engine is a well-regarded powerplant known for its durability and smooth operation. Yamaha s liquid-cooled, fuel-injected design ensures good performance and efficiency for its class.

2. **Proven Yamaha Build Quality** Yamaha is known for robust construction, especially in outboard motors. The 844 series (which the 843 belongs to) is a solid choice for fishing, cruising, and light offshore applications.

3. **Good Power-to-Weight Ratio** At 140 horsepower, this engine provides ample thrust for a 16 18-foot boat, making it suitable for fishing, leisure cruising, and light planing.

4. **Fuel Efficiency** Compared to older two-stroke outboards, the XV950 s four-stroke design offers better fuel economy, reducing operating costs over time.

5. **Ease of Maintenance** Four-stroke engines generally require less frequent oil changes and have fewer moving parts than two-strokes, leading to lower long-term maintenance costs.

6. **Resale Value** Yamaha outboards hold their value reasonably well, especially if well-maintained. The 844 series remains in demand in the used market.

7. **"Great Fins" (Assuming Proper Trim)** If the fins (trim tabs) are in good condition and properly adjusted, they can improve stability and handling, which is beneficial for fishing or cruising in rough water.

8. **Versatility** The engine s power and torque make it suitable for various applications, including trolling, light offshore fishing, and weekend cruising.

9. **Lower Emissions Compliance** Being a modern four-stroke, it meets current emissions standards, avoiding potential issues with older, less efficient engines.

10. **Aftermarket Support** Yamaha has a wide network of dealers and service centers, making parts and repairs more accessible than some lesser-known brands.

---

1. **Age and Wear** A 2014 model is now nearly a decade old. While well-maintained engines can last, components like seals, bearings, and fuel injectors may eventually require replacement, increasing long-term costs.

2. **Potential for Neglect** If the previous owner did not maintain the engine properly (e.g., neglected oil changes, fuel system issues, or corrosion), major repairs could be needed.

3. **Fuel System Concerns** Older Yamaha engines can develop fuel pump or injector issues over time. A thorough inspection of the fuel system is essential before purchase.

4. **Trim and Propeller Condition** The mention of "great fins" is positive, but the trim tabs and propeller should still be checked for wear, cracks, or proper functionality. A worn propeller can reduce efficiency.

5. **Electrical System Reliability** Older Yamaha outboards may have aging wiring or starter issues. Testing the starter, battery, and ignition system is crucial.

6. **Corrosion Risk** If the engine was stored in saltwater or not properly winterized, corrosion could have damaged internal components like the lower unit or cooling passages.

7. **Market Competition** Newer Yamaha models (e.g., the 8F series) offer improved features like electronic fuel injection (EFI) and better fuel efficiency. While the XV950 is still capable, it lacks some modern advancements.

8. **Potential for Hidden Damage** Without a professional inspection, issues like cracked cases, seized bearings, or water leaks in the lower unit may not be immediately obvious.

9. **Fuel Costs** While more efficient than two-strokes, four-stroke outboards still consume fuel. Operating costs may be higher than smaller, less powerful engines.

10. **Resale Depreciation** Even well-maintained outboards lose value over time. If you plan to upgrade later, the depreciation factor should be considered.

---

The **2014 Yamaha 843 (YAMM14) with an XV950 engine** is a solid, reliable choice for those needing a **140 HP outboard** for fishing, cruising, or light offshore use. Its **durability, fuel efficiency, and Yamaha s reputation** make it a practical purchase if well-maintained. However, **age-related wear, potential neglect, and the need for thorough inspection** are key considerations.

If you **inspect the engine thoroughly** (including fuel system, electricals, and lower unit), **test it under load**, and **verify maintenance records**, this motor can be a **great long-term investment**. That said, if budget allows, a **newer Yamaha model (e.g., 8F series) or a well-maintained 2016 engine** would offer modern improvements like EFI and better fuel economy.

---

- You find a **well-documented, properly maintained** unit with **clean service records**.

- You plan to **inspect it professionally** before purchase (focus on fuel system, lower unit, and electricals).

- You re comfortable with **potential future repairs** as the engine ages.

- The price is **reasonably competitive** compared to newer alternatives.

- You want **modern features** (EFI, digital controls) and are willing to pay a premium for a newer model.

- The engine shows **signs of neglect** (rust, lack of maintenance, unusual noises).

- You need **higher performance** (e.g., for serious offshore fishing), as the XV950 is better suited for mid-range applications.

**Final Verdict:** A **good buy with due diligence**, but not the most advanced option available today. If you re confident in the engine s condition, it s a **cost-effective, reliable choice** for its class.

Details:

Hospitals, Schools, Farms, storage Units, Home Business, Airports, No Truck/Limited Access zones and Military Bases are not accepted as a valid commercially zoned address. 2014 Yamaha XV950 OEM Engine Motor Runs Great Some Broken Fins: vehicles have different specs that must be matched to ensure fit. Not just our Heritage, but Legacy 2014 Yamaha XV950 OEM Engine Motor Runs Great Some Broken Fins.

Orders placed after 2:00 pm CST cannot be guaranteed shipping that day.

specifications cyclevintagee:

• for models: Xv950, 843
• for makes: Yamaha
• mpn: Xv950
• conditions options: Run Great, Some Broken Fins
• genuine oem: Yes
• ipn: 843.yamm14
• descriptionpartcondition: 2014 Yamaha Xv950 Oem Engine Motor Runs Great Some Broken Fins
• type: Complete Assembly

seller cyclevintagee:

• rating: 99.7%
• city: Mobile, Alabama
• # reviews: 63842

shipping cyclevintagee:

• type: Fixed
• class: Freight
• service: Flat Rate Freight
• cost: $300.00

returns cyclevintagee:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

payments cyclevintagee:

• credit card: Diners-club
• other
• wallet: Apple-pay

general cyclevintagee:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Complete Engines
• condition: Used

offer cyclevintagee:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 1
• started: May 27, 2026

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