1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 22318405030481773
  3. YAMAHA 1LU-14101-00-00

YAMAHA 1LU-14101-00-00 Mikuni Carburetor Carb

fits model: Yz250, Yz, 250. make: Yamaha. year: 1986.

1lu-14101-00-00 Yamaha 1986 86 Yz250 Yz 250 Stock Oem Mikuni Carburetor Carb

( Manufacturer Part Number: 1LU-14101-00-00 ), ( Part Type: Carburetor ), ( Country Of Origin: Japan )

Review YAMAHA Stock Oem Mikuni Carburetor Carb fits YZ250 YZ 250 1986

The **Yamaha 1LU-14101-00-00 Mikuni Carburetor** from the **1986 YZ250** is a meticulously engineered component that embodies the precision and performance legacy of Yamaha s legendary off-road motorcycles. This carburetor, part of the iconic **Pike s Peak** series, is a **14mm Mikuni BS26** unit, designed to deliver a seamless blend of throttle response and fuel efficiency, making it a cornerstone of the YZ250 s reputation for reliability and speed. Crafted with Yamaha s signature attention to detail, the carburetor features a **durable aluminum body** with precision-machined passages to ensure optimal airflow and fuel atomization, allowing the engine to breathe efficiently under both light acceleration and high-stress conditions. The **needle and jet assembly** is finely tuned to provide a smooth, progressive power delivery, with the **pilot jet** and **main jet** calibrated to balance low-end torque with top-end revving capability critical for both trail riding and competitive racing. The **floating bowl design** ensures consistent fuel flow, minimizing the risk of air bubbles and maintaining a stable fuel mixture even during aggressive riding. This carburetor is not just a replacement part but a direct upgrade for enthusiasts seeking to restore or enhance the performance of their classic YZ250, offering a perfect marriage of vintage engineering and modern reliability. Whether used in a restored show bike or a high-performance race machine, the **1986 YZ250 Mikuni carburetor** stands as a testament to Yamaha s commitment to craftsmanship and the enduring appeal of this legendary off-road motorcycle.

### **Pros and Cons of Buying a 1986 Yamaha YZ250 with a Mikuni Carburetor (1LU-14101-00-00)**

#### **Pros**

1. **Classic Reliability** The Yamaha YZ250 from the mid-1980s is known for its durable engine and solid build quality. Many of these bikes still run strong with proper maintenance.

2. **Strong Performance for Its Era** The 249cc two-stroke engine was well-tuned for off-road use, delivering good power and responsiveness, especially with aftermarket upgrades.

3. **Mikuni Carburetor (1LU-14101-00-00) Availability** Mikuni carburetors are still manufactured and can be found relatively easily, though they may require some tuning for optimal performance.

4. **Modifiable & Upgradable** The YZ250 has a strong aftermarket support system, allowing for upgrades in carburetors, exhausts, clutches, and suspension to improve performance.

5. **Lower Cost of Ownership (Compared to Modern Dirt Bikes)** Parts, fuel, and maintenance costs are generally lower than those of newer four-stroke or high-performance two-strokes.

6. **Great for Learning & Cruising** The bike is lightweight and nimble, making it ideal for beginners or riders who enjoy a more traditional dirt bike experience.

7. **Classic Aesthetic & Nostalgia Factor** If you appreciate vintage motorcycles, the YZ250 s design is iconic and holds sentimental value for many riders.

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#### **Cons**

1. **Two-Stroke Limitations** Two-stroke engines are less fuel-efficient, produce more pollution, and require frequent oil mixing with gasoline, which can be inconvenient.

2. **Wear & Tear Over Time** The 1986 model is approaching 40 years old, meaning the engine, clutch, and drivetrain may require significant maintenance or replacement parts.

3. **Potential Rust & Corrosion** If the bike was stored improperly, rust in the frame, suspension, or engine components could be a concern.

4. **Mikuni Carburetor Tuning Challenges** While the carb is available, tuning it properly for modern fuel and performance may require adjustments, and some riders find it less user-friendly than modern carbs.

5. **Emissions & Legal Restrictions** In some regions, two-stroke bikes may face restrictions or require modifications to meet emissions standards, limiting where and how you can ride.

6. **Limited Modern Comfort Features** Compared to newer bikes, the YZ250 lacks advanced suspension, ergonomics, and rider aids like traction control or electronic fuel injection.

7. **Depreciation & Resale Value** Classic bikes often depreciate quickly, and finding buyers for a well-maintained 1986 YZ250 may be difficult compared to newer models.

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### **Conclusion & Recommendation**

Buying a **1986 Yamaha YZ250 with a Mikuni carburetor** can be a rewarding experience if you value **classic performance, modifiability, and a simpler riding style**. It s an excellent choice for riders who enjoy **tinkering, restoring, or simply cruising on a well-maintained two-stroke**. However, if you prioritize **modern comfort, emissions compliance, or low maintenance**, a newer dirt bike may be a better investment.

**Recommendation:**

- **Buy if:** You re a rider who appreciates vintage bikes, enjoys working on projects, and doesn t mind the limitations of a two-stroke. Ensure the bike is **thoroughly inspected** for rust, engine condition, and clutch wear before purchasing.

- **Avoid if:** You need a bike for frequent racing, long-distance riding, or prefer modern convenience features. Consider a **used modern YZ250F (four-stroke) or a well-restored classic** if you want a balance between nostalgia and practicality.

For the best experience, **budget for a full service, including carb tuning, clutch replacement, and suspension checks**, to ensure the bike runs reliably. If you re unsure about maintenance, consult a Yamaha specialist before buying.

Details:

Came off a running bike should be cleaned before installing.

part #: 1lu141010000 price

  • $125.00

specifications cyclevintagee:

  • for models: Yz250, Yz, 250
  • for makes: Yamaha
  • for years: 1986
  • mpn: 1lu-14101-00-00
  • part type: Carburetor
  • country of origin: Japan

seller cyclevintagee:

  • rating: 100.0%
  • city: Sandown, New Hampshire
  • # reviews: 2050

payments cyclevintagee:

  • wallet: Paypal
  • other
  • credit card: Visa

offer cyclevintagee:

  • started: May 14, 2026
  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • sold: 0

returns cyclevintagee:

  • policy: No Returns

shipping cyclevintagee:

  • transit: 4-7 Days
  • type: Fixed
  • class: Standard
  • cost: $12.00
  • service: USPS Ground Advantage
  • carrier: USPS

general cyclevintagee:

  • condition: Used
  • Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
for models: yz250, yz, 250, for makes: yamaha, for years: 1986, part type: carburetor, country of origin: japan,
category: motorcycle parts > motorcycle scooter parts accessories, sku: 22318405030481773,
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1 offer $125.00 USD
  • Used. Offer #1 priced at $125.00 + $12.00 shipping estimate = $137.00* total. Came off a running bike should be cleaned before installing.+$12.00 shipping

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