1. Motorcycle Fenders For Sale
  2. sku: 16001169624062861
  3. YAMAHA USPT683451

YAMAHA USPT683451 Inner Rear Steel Mudguard Fender Bracket

fits model: Dt250, Dt400, Mx. make: Yamaha. year: 1977–1979.

Uspt683451 Yamaha Dt250 Dt400 Mx 1977-1979 Inner Rear Steel Mudguard Support Fender Bracket

( Manufacturer Part Number: USPT683451 ), ( Sub-type: Mud Guards Fenders ), ( Type: Bodywork Frame ), ( Countryregion Of Manufacture: Japan ), ( Intended Use: Replacement Part )

Review YAMAHA Inner Rear Steel Mudguard Support Fender Bracket fits DT250 DT400 MX 1977–1979

The **Yamaha USPT683451 DT250/DT400 MX Inner Rear Steel Mudguard Fender Bracket** is a meticulously crafted, high-performance component designed to enhance both the functionality and aesthetics of Yamaha s legendary DT250 and DT400 motocross bikes from the late 1970s. This robust, heavy-duty steel bracket serves as the structural backbone of the inner rear mudguard, securely anchoring it to the frame while ensuring optimal clearance for the rear wheel and suspension travel. Engineered with precision, the bracket features a clean, minimalist design that blends seamlessly with the bike s aggressive off-road styling, offering both durability and a classic look that complements the era s rugged charm. Constructed from thick-gauge steel, it is built to withstand the rigors of intense motocross action, including high-speed jumps, sharp cornering forces, and the constant stress of off-road riding. The bracket s reinforced construction prevents flexing or deformation, ensuring the mudguard remains firmly in place even under extreme conditions, while its precise fitment guarantees a snug, interference-free installation that doesn t compromise the bike s handling or suspension performance. Whether restoring a vintage Yamaha to its original glory or upgrading an existing setup for improved protection and durability, this inner rear mudguard bracket is an essential, high-quality replacement part that delivers both reliability and authenticity. Its straightforward yet robust design reflects Yamaha s engineering excellence of the era, making it a must-have for enthusiasts seeking to preserve or enhance the performance and appearance of their DT250 or DT400.

### Pros and Cons of buying a Yamaha USPT683451 DT250/DT400 MX (1977 1979) Inner Rear Steel Mudguard/Fender Bracket

#### **Pros:**

1. **Authentic Fit and Functionality** This part is designed specifically for Yamaha DT250 and DT400 dual-sport/motocross models from 1977 to 1979. It ensures a proper fit without modifications, maintaining the bike s original handling and aesthetics.

2. **Durability** Made from steel, this mudguard/fender bracket is sturdy and built to withstand the rigors of off-road use, including impacts from rocks, mud, and debris.

3. **Compatibility with Aftermarket Parts** Since it s an OEM (Original Equipment Manufacturer) or high-quality reproduction part, it can be easily paired with other aftermarket mudguards, fenders, or protective covers without compatibility issues.

4. **Rust Resistance (Relative to Era)** While vintage Yamaha parts from this era may not have modern corrosion-resistant coatings, steel brackets are generally more durable than plastic or aluminum alternatives in extreme conditions.

5. **Easy Installation** Being a direct replacement, it should fit without extensive modifications, making it accessible for DIYers or mechanics.

6. **Preservation of Vintage Look** If you re restoring or maintaining a classic bike, using an authentic or well-replicated part helps preserve its original appearance and value.

7. **Availability of Replacement Parts** Since these bikes are still somewhat popular among enthusiasts, finding compatible parts (including bolts, brackets, and mudguards) is relatively easier than for rarer models.

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#### **Cons:**

1. **Age-Related Wear** If purchasing a used or vintage bracket, it may show signs of rust, bending, or deterioration, requiring cleaning, sanding, or replacement before installation.

2. **Limited Modern Coatings** Unlike modern parts, this bracket may lack protective coatings (e.g., powder coating or zinc plating), making it more susceptible to rust over time, especially in wet or salty environments.

3. **Potential for Mismatch with Modified Bikes** If your bike has been heavily modified (e.g., lowered suspension, custom frames, or aftermarket components), the bracket might not align perfectly, requiring adjustments.

4. **Cost Relative to Newer Alternatives** While not extremely expensive, the price may be higher than modern plastic or lightweight alternatives, depending on the seller and condition.

5. **Sourcing Challenges** Finding an exact match, especially for the DT400 (less common than the DT250), can be difficult. You may need to check multiple sellers or wait for availability.

6. **Compatibility with Modern Mudguards** Some aftermarket mudguards designed for newer bikes may not fit perfectly with this vintage bracket, requiring customization or a different mudguard choice.

7. **Potential for Counterfeit Parts** If buying from an unknown seller, there s a risk of receiving a knockoff or poorly made replica that doesn t fit or function as intended.

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### **Conclusion:**

The Yamaha USPT683451 inner rear steel mudguard/fender bracket for the 1977 1979 DT250/DT400 is a **solid choice** if you prioritize authenticity, durability, and ease of installation. It s ideal for riders who value originality, are restoring a classic bike, or need a reliable off-road component. However, if you re concerned about rust, prefer lighter materials, or have a heavily modified bike, you may need to weigh the trade-offs or consider alternatives.

For most enthusiasts, the **pros outweigh the cons**, especially if you source the part from a reputable seller and inspect it for damage before purchase. If you re unsure about its condition, opting for a new or lightly used bracket with minimal rust is advisable.

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### **Recommendation:**

- **Buy from a trusted seller** (eBay, specialty motorcycle parts stores, or Yamaha dealers) to ensure authenticity and quality.

- **Inspect the bracket closely** for rust, bends, or cracks before purchasing. Clean and treat it with anti-rust spray if needed.

- **Pair it with a compatible mudguard** consider aftermarket options if the original mudguard is damaged or incompatible.

- **Store it properly** if not installing immediately to prevent rust (e.g., in a dry, sealed bag with desiccant).

- **Consider a modern alternative** (e.g., aluminum or plastic brackets) only if you re prioritizing weight reduction or corrosion resistance over vintage authenticity.

For most riders, this bracket is a **worthwhile investment** for maintaining or restoring a classic Yamaha DT250/DT400.

Details:

Very nice used Yamaha DT250 DT400 MX 1977-1979 Inner Rear Steel Mudguard Support fender bracket top is original, bottom underside looks to have been painted at some point.

specifications febocy:

  • for models: Dt250, Dt400, Mx
  • for makes: Yamaha
  • for years: 1977-1979
  • mpn: Uspt683451
  • sub-type: Mud Guards Fenders
  • type: Bodywork Frame
  • countryregion of manufacture: Japan
  • intended use: Replacement Part

offer febocy:

  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: March 24, 2026
  • quantity: 1

general febocy:

  • condition: Used
  • Motorcycle Scooter Parts Accessories > Body Frame > Fenders

seller febocy:

  • rating: 100.0%
  • # reviews: 3203
  • city: Clawson, Michigan

returns febocy:

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

shipping febocy:

  • carrier: USPS
  • transit: 4-9 Days
  • class: Standard
  • cost: $11.85
  • service: USPS Ground Advantage
  • type: Fixed

payments febocy:

  • wallet: Apple-pay
  • credit card: Diners-club
  • other
for models: dt250, dt400, mx, for makes: yamaha, for years: 1977-1979, sub-type: mud guards fenders, type: bodywork frame, countryregion of manufacture: japan, intended use: replacement part,
category: motorcycle parts > motorcycle scooter parts accessories > body frame > fenders, sku: 16001169624062861,
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