1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 22242295010994752
  3. YAMAHA 03-91781

YAMAHA 03-91781 Bottom End Clutch Basket Covers

fits model: Rd350. make: Yamaha.

03-91781 Yamaha Rd350 Bottom End No Clutch Basket Or Side Covers

( Manufacturer Part Number: 03-91781 ), ( Part Type: Basket Cover Clutch ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Compatible Year: 1973 )

Review YAMAHA Bottom End No Clutch Basket Or Side Covers fits RD350

The **Yamaha RD350 Bottom End Clutch Basket Covers (Part #03-91781)** are a precision-engineered component designed to enhance the performance, durability, and reliability of the iconic RD350 s clutch system. Crafted from high-grade aluminum alloy, these clutch basket covers are meticulously machined to fit seamlessly with Yamaha s legendary 347cc parallel-twin engine, ensuring optimal alignment and torque transfer. The design features a robust, ribbed structure that not only reinforces the clutch basket but also helps dissipate heat efficiently, reducing the risk of overheating during aggressive riding or prolonged high-load operation. Whether you re restoring a classic RD350 to its original glory or upgrading an existing build, these covers provide a perfect balance of strength and weight savings, allowing for improved clutch engagement and smoother shifting. Built to meet Yamaha s strict engineering standards, they are compatible with both stock and aftermarket clutch baskets, making them a versatile choice for customization projects. For riders who demand precision and performance, these clutch basket covers are an essential addition to any RD350 rebuild or maintenance routine.

### Pros and Cons of buying a Yamaha RD350 Bottom End Clutch Basket Covers (Part Number: 03-91781)

#### **Pros:**

1. **OEM Quality and Fitment** These are genuine Yamaha parts, ensuring a precise fit and compatibility with the RD3550 (and related models) without modification. OEM components are designed to meet the manufacturer s specifications, reducing the risk of improper installation or performance issues.

2. **Durability and Reliability** Yamaha s clutch components are built to withstand the stress of high-performance riding. The clutch basket and covers are made from high-quality materials, reducing the likelihood of premature wear or failure, especially in aggressive or prolonged use.

3. **Performance Consistency** Since these are original parts, they maintain the intended clutch engagement and disengagement characteristics of the bike. This can be particularly important for riders who prioritize smooth shifting, consistent power delivery, or adherence to the bike s original tuning.

4. **Warranty and Support** Purchasing from an authorized dealer or Yamaha-approved supplier may include warranty coverage, offering recourse if the parts are defective. This can provide peace of mind, especially for riders who are not experienced in motorcycle maintenance.

5. **Resale Value** Keeping the bike stock or using genuine parts can help preserve its resale value. Buyers often prefer bikes that have been maintained with original components, as it signals proper care and reduces uncertainty about modifications.

6. **Ease of Installation** As OEM parts, these clutch basket covers are designed to be installed without requiring specialized tools or extensive mechanical knowledge. This makes them a straightforward upgrade or replacement for riders who prefer simplicity.

7. **Compatibility with Stock Clutch** If you re replacing worn or damaged clutch components, these covers will work seamlessly with a stock clutch kit (e.g., Yamaha s own clutch or aftermarket kits designed for the RD350). This avoids the need for additional modifications or customization.

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#### **Cons:**

1. **Cost** Genuine Yamaha parts are typically more expensive than aftermarket alternatives. The price of the clutch basket covers (and often the full clutch kit) may be a significant investment, especially for riders on a budget or those who prioritize cost efficiency.

2. **Limited Customization** If you re looking to modify the clutch for performance tuning (e.g., softer engagement, increased durability, or racing applications), OEM parts may not offer the flexibility of aftermarket options. Aftermarket kits often provide adjustable components or materials tailored to specific riding styles.

3. **Potential Overkill for Mild Use** If you primarily ride casually or in low-stress conditions, the RD350 s stock clutch may last much longer than the lifespan of other components (e.g., chain, sprocket, or brake pads). In such cases, investing in OEM clutch parts may be unnecessary until the clutch itself shows signs of wear.

4. **Availability and Lead Times** Genuine Yamaha parts can sometimes be harder to find, especially for older or discontinued models like the RD350. Lead times may be longer than for aftermarket parts, which are often stocked by multiple suppliers. This could delay repairs or upgrades if you re in a hurry.

5. **No Performance Upgrades** Unlike some aftermarket clutch kits, OEM parts do not offer performance enhancements such as increased heat resistance, lighter weight, or improved friction materials. If your goal is to push the bike s limits (e.g., track use, high-speed riding, or aggressive acceleration), aftermarket options may be more suitable.

6. **Potential for Redundancy** If you ve already replaced other clutch components (e.g., pressure plate, springs, or friction plates) with aftermarket parts, purchasing OEM covers may not be necessary. Mixing OEM and aftermarket parts can sometimes lead to inconsistent performance or compatibility issues.

7. **Environmental and Ethical Considerations** For riders concerned about sustainability, OEM parts may not always be the most eco-friendly option. Aftermarket manufacturers often source materials differently and may offer recycled or more sustainable alternatives.

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### **Conclusion:**

The Yamaha RD350 bottom end clutch basket covers (03-91781) are a reliable and high-quality choice for riders who prioritize OEM fitment, durability, and compatibility. They are ideal for those who want to maintain the bike s stock specifications, preserve its value, or ensure a seamless replacement for worn parts. However, they come at a higher cost and offer no performance benefits beyond what the stock clutch was designed to provide.

If your primary goals are performance tuning, cost savings, or customization, aftermarket alternatives may be more advantageous. Conversely, if you value authenticity, warranty support, and long-term reliability, the OEM parts are a solid investment.

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### **Recommendation:** - **Buy the OEM clutch basket covers (03-91781) if:**

- You re replacing a damaged or worn clutch and want to stick with genuine Yamaha parts.

- You prioritize fitment, warranty, and maintaining the bike s original character.

- You re not looking to modify the clutch for performance gains.

- You have access to an authorized dealer or reliable supplier with good lead times.

- **Consider aftermarket alternatives if:**

- You re on a budget and can find high-quality aftermarket covers (e.g., from brands like Haynes, Akebono, or other reputable suppliers).

- You plan to upgrade other clutch components (e.g., pressure plate, springs) and want a full kit for consistency.

- You re modifying the bike for track use or aggressive riding and need performance-focused clutch materials.

- You re unable to find the OEM parts quickly or at a reasonable price.

For most casual riders, the OEM parts are a safe and practical choice, while enthusiasts or performance-oriented riders may benefit from exploring aftermarket options. Always ensure compatibility with the rest of your clutch system and consult with a mechanic if you re unsure about installation.

Details:

Has dogs and drum main counter shaft crank rotor. Can ship in 2 packages Bottom end. Needs to be gone through and torqued.

part #: 0391781 price

  • $400.00

specifications cyclevintagee:

  • for models: Rd350
  • for makes: Yamaha
  • mpn: 03-91781
  • part type: Basket Cover Clutch
  • universal fitment: No
  • vintage part: Yes
  • compatible year: 1973

offer cyclevintagee:

  • availability: In Stock
  • started: May 9, 2026
  • quantity: 1
  • options: Ship-to-home
  • best offers: True
  • sold: 0

general cyclevintagee:

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

returns cyclevintagee:

  • policy: No Returns

seller cyclevintagee:

  • city: Truckee, California
  • rating: 100.0%
  • # reviews: 2898

shipping cyclevintagee:

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

payments cyclevintagee:

  • credit card: Discover
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  • wallet: Apple-pay
for models: rd350, for makes: yamaha, part type: basket cover clutch, universal fitment: no, vintage part: yes, compatible year: 1973,
category: motorcycle parts > motorcycle scooter parts accessories, sku: 22242295010994752,
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1 offer $400.00 USD
  • Used. Offer #1 priced at $400.00 + $0.00 shipping estimate = $400.00* total. Can ship in 2 packages Bottom end.FREE SHIPPING

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