HONDA 40510-001-020 Guard Drive Chain Cover C70A

( Manufacturer Part Number: 40510-001-020 ), ( Part Type: Guard Cover Drive Chain Case ), ( Country Of Origin: Japan ), ( Machine Type: Street Motorcycle ), ( Oe/oem Part Number: 40510-001-020zu ), ( Vintage Part: Yes ), ( Universal Fitment: No ), ( Compatible Year: 1981, 1980 )

Review HONDA Chain Guard Drive Case Cover fits PASSPORT C70 1970–1981

The **Honda 40510-001-020 Chain Guard Drive Cover** is a meticulously engineered, high-quality replacement part designed specifically for the **1980 and 1981 Honda C70 and C70A Passport models**, ensuring optimal protection and performance for your vehicle s drivetrain. This durable, precision-molded cover is crafted from robust, weather-resistant materials to shield the chain and sprocket assembly from dirt, debris, mud, and moisture, thereby extending the lifespan of your transmission components and reducing maintenance needs. The design features a snug, interference-fit construction that securely fastens to the frame, preventing misalignment or loosening during operation, while its aerodynamic contours minimize wind resistance for a cleaner, more efficient ride. Compatible exclusively with the **C70 and C70A Passport models** from the 1980 and 1981 model years, this part is a direct-fit replacement for the original equipment, maintaining the factory s intended functionality and aesthetics. Whether you re restoring a classic Passport or maintaining one in pristine condition, this chain guard drive cover is an essential component that combines reliability with a sleek, understated appearance, ensuring both performance and longevity for your beloved Honda.

### **Pros and Cons of buying a Honda Part: 40510-001-020 (1980-1981 C70/C70A Passport Chain Guard Drive Cover)**

1. **Direct Fitment** This part is specifically designed for the 1980 and 1981 Honda C70 and C70A models, ensuring compatibility without modifications.

2. **Prevents Chain Damage** The chain guard protects the drive chain from debris, dirt, and potential wear, extending the lifespan of the transmission and chain.

3. **Prevents Leakage** Helps contain lubricants and prevent spills, keeping the drivetrain cleaner and reducing maintenance needs.

4. **Easy Installation** As an aftermarket or OEM replacement, it is typically designed for straightforward installation, though some basic tools may be required.

5. **Cost-Effective** Compared to full transmission replacements or major repairs, this part is relatively inexpensive, making it a practical solution for minor wear issues.

6. **Availability** Since it is a common part for these models, it is likely available from multiple suppliers, including online marketplaces, auto parts stores, and specialty Honda dealers.

7. **Prevents Noise and Squeaking** A worn or missing chain guard can cause rattling or squeaking noises; replacing it can restore smooth operation.

1. **Potential Wear Over Time** While durable, rubber or plastic chain guards can degrade from heat, oil exposure, or physical stress, requiring eventual replacement.

2. **Installation Challenges** If the part is not installed correctly, it may not fit snugly, leading to leaks or ineffective protection. Some users may need mechanical experience to install it properly.

3. **Compatibility Confusion** While this part is for the 1980-1981 models, there are slight variations between the C70 and C70A (e.g., minor drivetrain differences). Double-checking the exact model is crucial to avoid purchasing the wrong part.

4. **Quality Variability** Aftermarket parts may vary in quality compared to OEM (Original Equipment Manufacturer) components. Lower-quality versions might crack or fail prematurely.

5. **Limited Longevity** If the underlying transmission or chain is severely worn, replacing just the chain guard may provide temporary relief but not a permanent fix.

6. **Cost of Replacement** If the part fails soon after installation, additional costs may arise, though this is uncommon if the part is genuine or high-quality.

7. **Accessibility Issues** Older Honda models like the C70 may require disassembling parts of the drivetrain to access the chain guard, which can be time-consuming for inexperienced DIYers.

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### **Conclusion**

The **Honda 40510-001-020 chain guard drive cover** is a practical and affordable solution for protecting the drivetrain of the 1980-1981 C70/C70A models. It addresses common issues like chain wear, debris ingress, and lubricant leaks while being relatively easy to install. However, its effectiveness depends on proper installation and the quality of the part purchased. If the transmission or chain is already degraded, this part alone may not suffice, and a more comprehensive inspection or repair may be necessary.

For most users, this part is a **worthwhile investment** if the goal is to extend the life of the drivetrain and prevent minor issues. However, those without mechanical experience may need to seek professional help for installation to avoid complications.

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### **Recommendation**

1. **Verify Model Compatibility** Confirm that the part is indeed for your specific 1980 or 1981 C70/C70A model, as slight variations exist.

2. **Purchase from a Reputable Source** Opt for an **OEM part** or a high-quality aftermarket brand (e.g., Denso, ACDelco, or trusted Honda specialty suppliers) to ensure durability.

3. **Inspect the Drivetrain First** Before replacing just the chain guard, check the condition of the chain, sprockets, and transmission for excessive wear. If these components are failing, address them simultaneously.

4. **Follow Installation Instructions Carefully** If installing yourself, take your time to ensure a proper fit. Refer to a repair manual or video guide if needed.

5. **Consider Professional Installation** If unsure about the process, a mechanic familiar with Honda models can install it correctly and provide additional drivetrain checks.

6. **Budget for Potential Future Replacements** While this part is durable, plan for eventual replacement if it degrades due to heat or oil exposure.

**Final Verdict:** This part is a **solid, cost-effective upgrade** for the specified Honda models, particularly for owners experiencing chain guard-related issues. With proper care and installation, it will provide reliable protection for the drivetrain.

Details:

1980 1981 HONDA C70 PASSPORT CHAIN GUARD DRIVE CASE COVER. The other one is in good overall shape may have a small little crease it as shown the pictures. One of them has a few dents and wrinkles in it.

part #: 40510001020 prices

• $16.85-$38.06

specifications cyclevintagee:

• for models: C70, Passport
• for makes: Honda
• for years: 1970-1981
• mpn: 40510-001-020
• part type: Guard Cover Drive Chain Case
• country of origin: Japan
• machine type: Street Motorcycle
• oe/oem part number: 40510-001-020zu
• vintage part: Yes
• universal fitment: No
• compatible year: 1981, 1980

shipping cyclevintagee:

• service: USPS Ground Advantage
• cost: $8.87
• transit: 4-8 Days
• carrier: USPS
• class: Standard
• type: Calculated

payments cyclevintagee:

• credit card: Diners-club
• wallet: Google-pay
• money order
• other

seller cyclevintagee:

• rating: 100.0%
• city: Sturgeon Bay, Wisconsin
• # reviews: 520

offer cyclevintagee:

• options: Ship-to-home
• quantity: 1
• sold: 0
• best offers: True
• availability: In Stock
• started: March 6, 2026

general cyclevintagee:

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

returns cyclevintagee:

• time: 14 Days
• paid by: Buyer
• policy: Returns Accepted

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