1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 20560128654351861
  3. YAMAHA 3J3-81600-10-00

YAMAHA 3J3-81600-10-00 Generator

fits model: Xs850s. make: Yamaha. year: 1980.

3j3-81600-10-00 Yamaha 1980 Xs850s Special Generator Assembly

( Manufacturer Part Number: 3J3-81600-10-00 ), ( Part Type: Generator )

Review YAMAHA Special Generator Assembly fits XS850S 1980

The **Yamaha XS850S** from 1980, equipped with the legendary **3J3-81600-10-00** engine, stands as a testament to Yamaha s engineering prowess and the golden era of portable power generation. This iconic generator is a relic of a time when reliability, durability, and innovative design were paramount, making it a sought-after piece for collectors, vintage enthusiasts, and those seeking a robust, self-contained power solution with a touch of nostalgia. The **3J3-81600-10-00** engine is a four-stroke, air-cooled, single-cylinder marvel, delivering a smooth and dependable output of **850 watts** plenty of power to run essential tools, small appliances, or even provide backup electricity for critical systems during outages. Its compact yet sturdy frame, constructed from high-quality steel, ensures stability and longevity, while the robust recoil start mechanism offers effortless ignition, a feature that was revolutionary in its time. The generator s design reflects Yamaha s attention to detail, with a clean, functional aesthetic that balances form and function. The **XS850S** features a durable, weather-resistant body with a practical handle for easy transport, and its simple yet effective control panel includes a voltage regulator and a robust circuit breaker to protect connected devices from power surges. The engine itself is renowned for its efficiency, with a fuel system that minimizes fuel consumption while maximizing runtime, making it ideal for extended use in remote locations or during prolonged power interruptions. Whether used for recreational camping, emergency preparedness, or as a nostalgic piece in a workshop, the **Yamaha XS850S with the 3J3-81600-10-00 engine** embodies the spirit of self-sufficiency and reliability that defined Yamaha s legacy in portable power generation. Its timeless design, combined with the enduring performance of its air-cooled engine, ensures that it remains a functional and collectible piece for decades to come.

### **Pros and Cons of Buying a Yamaha 3J3-81600-10-00 (1980 XS850S) Generator**

#### **Pros:**

1. **Reliable Engine** The XS850S is based on Yamaha s well-regarded 850cc parallel-twin engine, known for durability and smooth operation. With proper maintenance, it can last for decades.

2. **Mechanical Drivetrain** Unlike modern electronic-start generators, this model uses a recoil or kick-start system, which is simpler and less prone to failure over time. It also means fewer electronic components to break down.

3. **Proven Performance** The engine was designed for motorcycles and has been used in generators for years, meaning it has a track record of reliability in both applications.

4. **Ease of Repairs** Being an older model, replacement parts (such as carburetors, pistons, and belts) are still available, though they may require sourcing from specialty shops or online marketplaces.

5. **Lower Initial Cost** Compared to modern generators, this unit is significantly cheaper, making it an attractive option for budget-conscious buyers.

6. **Portability** The compact size and lightweight design (for its power) make it easier to transport than larger industrial generators.

7. **No Fuel Injection** The carbureted system is simpler than fuel-injected engines, reducing the complexity of maintenance.

8. **Potential for Modifications** Enthusiasts can easily upgrade components (e.g., carburetions, exhaust) to improve performance or efficiency.

#### **Cons:**

1. **Lack of Modern Features** The generator lacks automatic voltage regulation, digital displays, and electronic diagnostics found in newer models, which can make troubleshooting more difficult.

2. **No Electric Start** Starting requires a kick or recoil pull, which can be inconvenient for frequent use, especially in cold weather.

3. **Outdated Design** The electrical output (likely 120V single-phase) may not meet modern power demands without additional inverters or converters.

4. **Maintenance Requirements** Older engines require more frequent tune-ups, oil changes, and carburetor adjustments compared to modern fuel-injected systems.

5. **Limited Power Output** While the XS850S is powerful for its time, it may not provide enough continuous wattage for modern high-demand appliances (e.g., refrigerators, air conditioners, or multiple electronics simultaneously).

6. **Environmental Concerns** Older engines are less fuel-efficient and produce more emissions than modern counterparts, which may be a consideration if used frequently.

7. **Part Availability** While parts exist, they may be harder to find than for newer Yamaha generators, and some components (e.g., O-rings, gaskets) may need to be sourced from third-party suppliers.

8. **No Warranty** Since this is a vintage model, it will likely come with no manufacturer warranty, leaving the buyer responsible for all repairs.

9. **Potential for Rust or Wear** If the unit has been stored improperly, it may suffer from rust, seized components, or general wear that requires significant restoration work.

10. **Safety Risks** Older generators may lack modern safety features such as automatic shutdown in case of overheating or low oil pressure.

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### **Conclusion:**

The Yamaha XS850S generator from 1980 is a **solid choice for enthusiasts, off-grid hobbyists, or those needing a backup power source for low-demand applications**. Its mechanical simplicity, durability, and availability of parts make it a practical option for those who prioritize reliability over modern convenience. However, it is **not ideal for high-power needs, frequent use, or users who prefer plug-and-play functionality**. The lack of electric start, outdated electrical systems, and maintenance demands mean it requires more hands-on attention than a modern generator.

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### **Recommendation:** - **Buy if:**

- You need a **low-cost, reliable backup generator** for occasional use (e.g., camping, tailgating, or small workshops).

- You are comfortable with **manual maintenance and repairs** and enjoy working on vintage machinery.

- You plan to **modify or restore** the unit as a hobby project.

- You require a **portable power source** for light-duty applications (e.g., powering a few tools, a small fridge, or lighting).

- You can source **replacement parts** and are willing to invest time in upkeep.

- **Avoid if:**

- You need **high continuous power output** (e.g., for air conditioners, sump pumps, or multiple electronics).

- You prefer **electric start, digital controls, or automatic features**.

- You want a **low-maintenance, long-term solution** without frequent tune-ups.

- You cannot commit to **regular maintenance** (oil changes, carburetor adjustments, belt replacements).

- You are looking for a **modern, warranty-backed generator** with better fuel efficiency and emissions compliance.

**Alternative Considerations:**

- If you need **modern reliability**, consider a **Yamaha EF2000iSV2** or similar newer model with electric start and inverter technology.

- If you want **vintage charm with better power**, look into **restored Honda or Kawasaki generators** from the 1980s 1990s, which may offer slightly more modern features.

- For **budget-friendly backup power**, a **small inverter generator** (e.g., Honda EU2200i) might be a better balance of convenience and performance.

Ultimately, the XS850S is a **great project generator** for the right buyer but may fall short for those seeking a hassle-free, high-performance solution.

Details:

The item comes as pictured. It came off of a running bike. It is a OEM used item. For any further questions please reach out.

It is guaranteed fit.

part #: 3j3816001000 price

  • $40.00

specifications cyclevintagee:

  • for models: Xs850s
  • for makes: Yamaha
  • for years: 1980
  • mpn: 3j3-81600-10-00
  • part type: Generator

payments cyclevintagee:

  • wallet: Apple-pay
  • other
  • credit card: Discover

returns cyclevintagee:

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

general cyclevintagee:

  • condition: Used
  • Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

seller cyclevintagee:

  • city: Mabelvale, Arkansas
  • # reviews: 157
  • rating: 98.9%

shipping cyclevintagee:

  • cost: $19.15
  • class: Expedited
  • type: Fixed
  • transit: 6-12 Days
  • service: USPS Priority Mail Medium Flat Rate Box
  • carrier: USPS

offer cyclevintagee:

  • sold: 0
  • started: February 11, 2026
  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • best offers: True
for models: xs850s, for makes: yamaha, for years: 1980, part type: generator,
category: motorcycle parts > motorcycle scooter parts accessories, sku: 20560128654351861,
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1 offer $40.00 USD
  • Used. Offer #1 priced at $40.00 + $19.15 shipping estimate = $59.15* total. For any further questions please reach out to It came off of a running bike.+$19.15 shipping

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