HONDA 90452-701-000 Nos Washer

( Manufacturer Part Number: 90452-701-000 ), ( Part Type: Washer ), ( Vintage Part: Yes ), ( Country Of Origin: Japan )

Review HONDA Nos Washer fits ATC250 CB400 XL100 XL500 XL80 XR100 XR500 XR75

The **Honda 90452-701-000 Original Equipment (OEM) Air Temperature Control (ATC) Washer Pump** is a high-performance, precision-engineered component designed exclusively for Honda s iconic air-cooled and liquid-cooled motorcycle models, including the legendary **CB400 Super Four**, **XL100 Super T n r **, **XL500 Interceptor**, **XL80 Super T n r **, **XR100 Adventure**, **XR500**, and **XR75**. This washer pump is a direct-fit replacement for the original factory unit, ensuring seamless integration with the bike s cooling system while maintaining optimal airflow and thermal regulation. Crafted from durable, corrosion-resistant materials, the pump features a robust impeller and a reliable electric motor that delivers consistent, high-volume airflow to the radiator, preventing overheating and extending the lifespan of critical engine components. Its compact yet robust design allows for easy installation, whether during routine maintenance or as part of a full cooling system overhaul. Ideal for riders seeking to restore their motorcycle s factory performance or upgrade older models with a reliable, long-lasting solution, this washer pump is a testament to Honda s engineering excellence, combining efficiency, durability, and compatibility across a wide range of classic and adventure-oriented motorcycles.

### **Pros and Cons of Buying a Used Honda ATC250 CB400 XL100 XL500 XL80 XR100 XR500 XR75 with Part Number 90452-701-000 (Carburetor Washer)**

This part number (90452-701-000) refers to a **Honda carburetor washer**, a specialized cleaning tool used to remove carbon deposits, varnish, and gum from carburetors without disassembly. Below is an analysis of the pros and cons of purchasing this item, along with a conclusion and recommendation.

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### **Pros of buying a Honda Carburetor Washer (90452-701-000)**

1. **Effective Cleaning Without Disassembly**

- The washer allows for deep cleaning of carburetors without removing them from the engine, saving time and effort.

- Ideal for older or hard-to-reach carburetors on models like the **XL100, XL500, XR100, XR500, XR75, CB400, and ATC250**, where disassembly can be labor-intensive.

2. **Preserves Original Carburetor Condition**

- Unlike aggressive chemical cleaners or mechanical scrubbing, the washer gently dissolves deposits without damaging seals, gaskets, or internal components.

- Helps maintain factory carburetor performance without the risk of warping or cracking metal parts.

3. **Cost-Effective Maintenance Solution**

- Cheaper than replacing a carburetor or hiring a mechanic for professional cleaning.

- Extends the life of carburetors, delaying the need for costly rebuilds or replacements.

4. **Works on Multiple Honda Models**

- **ATC250** (mini-tractor)

- **CB400** (classic cruiser)

- **XL100/XL500** (adventure bikes)

- **XR100/XR500/XR75** (off-road and dual-sport bikes)

- A single purchase can be used across different vehicles in a collection.

5. **Prevents Engine Performance Issues**

- Carbon buildup in carburetors can cause **lean mixtures, rough idling, poor acceleration, and fuel waste**.

- Regular cleaning with this washer helps maintain optimal fuel delivery and engine efficiency.

6. **Eco-Friendly Alternative to Harsh Chemicals**

- Unlike strong solvents that may leave residues or harm the environment, the washer uses a specialized cleaning agent that breaks down deposits safely.

- Reduces the need for excessive chemical use compared to carburetor sprays or dips.

7. **Easy to Use**

- No special tools or expertise required simply follow the manufacturer s instructions.

- Can be used during routine maintenance without disrupting other engine services.

8. **Long-Term Savings on Fuel**

- A clean carburetor improves fuel economy, saving money over time compared to running a clogged system.

---

### **Cons of buying a Honda Carburetor Washer (90452-701-000)**

1. **Limited to Carbureted Engines Only**

- Modern Honda models (post-2000s) typically use **fuel injection**, making this washer obsolete for newer bikes or tractors.

- If your collection includes **only fuel-injected models (e.g., modern CBR, CBF, or ATC tractors)**, this part may not be useful.

2. **Not a Permanent Fix for Severe Damage**

- If a carburetor is **heavily corroded, cracked, or internally damaged**, the washer may not restore full functionality.

- In extreme cases, a **carburetor rebuild or replacement** may still be necessary after cleaning.

3. **Requires Proper Technique**

- Improper use (e.g., over-soaking, not rinsing thoroughly) can lead to **residue buildup or damage to seals**.

- Some users may need to experiment with timing to achieve the best results.

4. **Availability and Compatibility Concerns**

- While Honda parts are generally reliable, **counterfeit or low-quality replicas** may exist.

- Ensure the washer is **genuine Honda** (check part numbers and seller reputation) to avoid ineffective or harmful products.

5. **Not a Substitute for Regular Maintenance**

- Change oil and filters regularly.

- Inspect carburetors for physical damage.

- Use high-quality fuel to minimize deposits.

6. **Mixed Results on Older Carburetors**

- Some **very old or neglected carburetors** may not respond well to cleaning, requiring **full disassembly and rebuild**.

- If a carburetor is **stuck or seized**, the washer alone may not free it.

7. **Potential for Overcleaning**

- Excessive use can **strip away protective coatings** on carburetor internals, leading to corrosion over time.

- Best used **periodically (every 2 3 years or as needed)** rather than as a routine service.

8. **Limited Use on Non-Honda Carburetors**

- While the washer may work on **Keihin, Mikuni, or other carburetors**, it is **Honda-specific** in design.

- Compatibility with aftermarket carburetors is **not guaranteed**.

---

### **Conclusion**

The **Honda 90452-701-000 carburetor washer** is a **highly useful tool for owners of carbureted Honda models** (such as the **XL100, XR500, CB400, ATC250, etc.**) who want to **clean carburetors without disassembly**. It offers **cost-effective, chemical-free maintenance** that can **extend carburetor life, improve engine performance, and prevent fuel waste**.

However, it is **not a universal solution** it is **only effective on carbureted engines** and may not fully restore **severely damaged carburetors**. Additionally, **modern fuel-injected models** will not benefit from this part.

For **collectors or enthusiasts** who own **older Honda bikes, tractors, or off-roaders with carburetors**, this washer is a **practical and worthwhile purchase**. For those with **only modern fuel-injected vehicles**, the investment may not be justified.

---

### **Recommendation**

- You own **carbureted Honda models** (e.g., **XL500, XR75, CB400, ATC250**).

- You want a **simple, chemical-free way to clean carburetors** without disassembly.

- You are **not planning to replace carburetors soon** and want to maintain them.

- Your collection consists **only of fuel-injected Honda models**.

- You **already have a carburetor rebuild kit** and prefer full disassembly for cleaning.

- You **cannot verify the authenticity** of the part (risk of counterfeit products).

- Use it **periodically (every 2 3 years)** as part of routine maintenance.

- Combine with **high-quality fuel and oil changes** for best results.

- If a carburetor **does not respond well**, consider **professional cleaning or rebuild**.

**Final Verdict:** For **carbureted Honda enthusiasts**, this washer is a **smart, low-cost tool** that can save time and money. For others, it may not be a priority purchase. Always **verify compatibility and authenticity** before buying.

Details:

All parts are sold as-is. What you see is exactly what you'll receive. Kawasaki F6 125 or a Honda TRX 350 Yamaha xt550, ATC 185, 1995 Arctic Cat Tiger shark Montage jet ski, 1991 Yamaha warrior feel free to reach out. When buying used parts, keep in mind that components like bearings, ball joints, seals, O-rings, and gaskets may be worn should inspected or replaced as needed.

I highly recommend replacing any bearings or seals before installing the part on your machine to ensure best performance. You can call or me at and I ll be happy to help.

part #: 90452701000 prices

• $13.73-$17.00

specifications cyclevintagee:

• for models: Atc250, Cb400, Xl100, Xl500, Xl80, Xr100, Xr500, Xr75
• for makes: Honda
• mpn: 90452-701-000
• part type: Washer
• vintage part: Yes
• country of origin: Japan

shipping cyclevintagee:

• type: Calculated
• cost: $0.00
• carrier: USPS
• class: Standard
• transit: 5-11 Days
• service: USPS Ground Advantage

seller cyclevintagee:

• rating: 99.5%
• city: Salina, Kansas
• # reviews: 223

payments cyclevintagee:

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

general cyclevintagee:

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

returns cyclevintagee:

• policy: No Returns

offer cyclevintagee:

• started: April 3, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home
• best offers: True
• availability: In Stock

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