HONDA 16100-KN5-674 Carburetor Carb

( Manufacturer Part Number: 16100-KN5-674 ), ( Material: Aluminum ), ( Vintage Part: No ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Manufacturer Warranty: 3 Months )

Review HONDA Carburetor Carb fits XR350R 1985

The **Honda 16100-KN5-674 1985 XR350R Carburetor** is a meticulously engineered, high-performance component designed exclusively for Honda s legendary **XR350R** dual-sport motorcycle, produced in the mid-1980s. This **Pike carburetor** (a brand synonymous with precision and reliability in off-road and dual-sport applications) serves as the heart of the bike s fuel delivery system, ensuring optimal throttle response, smooth acceleration, and consistent power output across varying terrain. Built with a **cast aluminum body**, the carburetor features a **single 38mm venturi** a size carefully calibrated to balance low-end torque with mid-range punch, allowing the XR350R to excel in both trail riding and light off-road adventures. The **piston-type slide mechanism** delivers precise fuel metering, while the **needle-and-seat assembly** is designed for easy adjustment, enabling riders to fine-tune the carb s performance for different altitudes, fuel types, or riding conditions. A **floating bowl design** ensures a steady fuel supply, minimizing air bubbles and maintaining consistent operation even under aggressive throttle inputs. The carburetor is equipped with **Honda-specific gaskets and seals**, ensuring a leak-proof fit with the bike s intake manifold and throttle body, while the **stainless steel springs** and **precision-machined jets** contribute to durability and longevity. Whether restored to stock specifications or modified for enhanced performance, this carburetor remains a critical component for preserving the XR350R s iconic blend of agility, reliability, and off-road prowess. Ideal for both classic enthusiasts seeking authenticity and modern riders looking to revive their bike s original character, the **1985 XR350R carburetor** is a testament to Honda s engineering excellence in the golden era of dual-sport motorcycles.

**Pros and Cons of Buying a 1985 Honda 16100-KN5-674 XR350R Carburetor**

### **Pros**

1. **Reliability and Durability** Honda s carburetors, particularly from the 1980s, are known for their robust construction and longevity. The 16100-KN5-674 is a well-engineered unit designed for off-road use, meaning it can withstand rough conditions if properly maintained.

2. **Availability of Parts and Support** As a classic Honda model, this carburetor is widely available through aftermarket suppliers, Honda dealerships, and online marketplaces. Replacement parts, such as jets, gaskets, and diaphragms, are also easy to find.

3. **Proven Performance** The XR350R was a popular trail bike in its day, and its carburetor was tuned for reliable throttle response and fuel efficiency. If the unit is in good condition, it can provide consistent performance without major modifications.

4. **Lower Cost Compared to Modern Alternatives** Purchasing a used or aftermarket version of this carburetor is significantly cheaper than buying a new OEM unit or a modern carburetor kit. This makes it an attractive option for budget-conscious restorers or DIY mechanics.

5. **Compatibility with Modifications** The 16100-KN5-674 is compatible with common aftermarket upgrades, such as performance jets, float adjustments, or even conversion to a carburetor kit (e.g., Keihin or Mikuni) if desired. This flexibility allows for tuning to match rider preferences.

6. **Ease of Maintenance** Unlike modern fuel-injected systems, carburetors are relatively simple to service. Cleaning, adjusting, and replacing components can be done with basic tools, making it accessible for hobbyists.

7. **Vintage Appeal** For enthusiasts restoring or maintaining a classic XR350R, using the original or an exact replica carburetor adds authenticity and preserves the bike s historical integrity.

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### **Cons**

1. **Potential for Wear and Tear** If the carburetor has been neglected or exposed to dirt, fuel contaminants, or moisture, it may require extensive cleaning or rebuilding. A used unit could have internal damage (e.g., cracked diaphragms, worn throttle bodies) that isn t immediately visible.

2. **Fuel Quality Dependence** Carburetors are sensitive to fuel quality. Older fuel with ethanol blends or contaminants can clog jets or damage internal components. Modern fuel additives may also affect performance if not compatible.

3. **Learning Curve for Tuning** Unlike modern bikes with digital diagnostics, carburetor tuning requires manual adjustments (e.g., idle screws, pilot jets, main jets). Achieving optimal performance may take trial and error, especially for inexperienced riders.

4. **Environmental and Emissions Concerns** Older carburetors are less efficient and may produce more emissions than modern fuel-injected systems. If the bike is used in areas with strict emissions regulations, modifications (e.g., catalytic converters) may be required.

5. **Risk of Counterfeit or Mismatched Parts** Purchasing from untrusted sellers increases the chance of receiving a replica or incorrectly labeled carburetor. Always verify the part number and condition before buying.

6. **Limited Longevity with Heavy Use** While durable, carburetors are not as robust as modern fuel systems. Over time, seals and gaskets degrade, leading to leaks or poor performance. Regular maintenance is essential to prevent failure.

7. **Compatibility Issues with Modern Mods** Some aftermarket components (e.g., high-performance exhausts, larger tires) may require carburetor adjustments or even a different carburetor model to avoid stumbling or poor throttle response.

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### **Conclusion**

The **1985 Honda 16100-KN5-674 XR350R carburetor** is a solid choice for riders looking to restore or maintain a classic XR350R on a budget. Its reliability, availability of parts, and compatibility with modifications make it a practical option for enthusiasts. However, potential buyers should be prepared for the need for regular maintenance, tuning adjustments, and potential wear issues if the unit is used or poorly maintained.

For **new buyers**, purchasing a **new or lightly used OEM unit** (or a high-quality replica from a trusted supplier) is ideal to avoid hidden problems. If restoring a bike, pairing it with a **cleaned or rebuilt carburetor** ensures optimal performance. For **casual riders or those on a tight budget**, a used carburetor can be a cost-effective solution if inspected thoroughly.

For **serious off-roaders or performance-focused riders**, considering a **modern carburetor kit (e.g., Keihin FCR-C26)** or even **fuel injection** may offer better reliability and power, though at a higher cost.

### **Recommendation**

- **Buy new or from a reputable seller** if possible to avoid hidden issues.

- **Inspect thoroughly** for leaks, corrosion, or damage before purchasing.

- **Clean or rebuild** the carburetor if used, as neglect can lead to poor performance.

- **Invest in basic tuning tools** (e.g., carburetor cleaner, jet wrench, idle adjustment tools) to maintain optimal settings.

- **Consider a rebuild kit** if the carburetor shows signs of wear (e.g., sticky throttle, lean running).

- **Pair with high-quality fuel** and a fuel filter to extend carburetor life.

Ultimately, the **16100-KN5-674 is a sound choice for classic XR350R owners** who prioritize authenticity and simplicity, but buyers should weigh the trade-offs against modern alternatives based on their riding needs and budget.

Details:

1985 Honda XR350R Carburetor Carb 16100-KN5-674, Part is used but in good condition.

part #: 16100kn5674 prices

• $67.29-$300.00

specifications carbthrotatv:

• for models: Xr350r
• for makes: Honda
• for years: 1985
• mpn: 16100-kn5-674
• material: Aluminum
• vintage part: No
• choke type: Mechanical
• type: Carburetor
• manufacturer warranty: 3 Months

offer carbthrotatv:

• sold: 0
• availability: In Stock
• quantity: 1
• started: April 20, 2026
• options: Ship-to-home
• best offers: True

returns carbthrotatv:

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

seller carbthrotatv:

• # reviews: 777
• rating: 100.0%
• city: Rexburg, Idaho

general carbthrotatv:

• ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Carburetors
• condition: Used

payments carbthrotatv:

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

shipping carbthrotatv:

• type: Calculated
• service: USPS Ground Advantage
• transit: 3-8 Days
• class: Standard
• carrier: USPS
• cost: $14.65

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