YAMAHA 5DV-25355-00-00 Rear Hub Brake Plate

( Manufacturer Part Number: 5DV-25355-00-00 ), ( Part Type: Hub Brake Plate ), ( Country Of Origin: Japan ), ( Vintage Part: Yes ), ( Placement On Vehicle: Rear )

Review YAMAHA Rear Hub And Brake Plate Assembly fits DT100 1977

The **Yamaha 5DV-25355-00-00 1977 DT100 Rear Hub Brake Plate** is a meticulously crafted, high-performance component designed exclusively for Yamaha s legendary DT100 dual-sport motorcycle, manufactured in 1977. This brake plate is a critical part of the rear wheel assembly, engineered to deliver reliable stopping power while maintaining durability under the demanding conditions of off-road and on-road riding. Crafted from premium-grade steel, the brake plate features a robust, machined surface optimized for even wear and consistent friction, ensuring optimal braking performance across varying terrains. Its precise fitment into the DT100 s rear hub mechanism guarantees seamless integration with the drum brake system, allowing for smooth engagement and disengagement of the brake shoes. The design reflects Yamaha s engineering precision from the era, balancing simplicity with functionality ideal for both restoration projects and enthusiasts seeking to preserve the authenticity of their classic motorcycle. Whether used in a fully restored 1977 DT100 or as part of a meticulously rebuilt brake system, this brake plate embodies the reliability and performance expected from Yamaha s iconic dual-sport lineup. Its compatibility with original brake components ensures that riders can enjoy the same responsive braking experience that made the DT100 a favorite among adventurers and racers during its heyday.

The **Yamaha DT100 rear hub brake plate (part number 5DV-25355-00-00, 1977 model)** is a relatively obscure but functional component for vintage Yamaha dirt bikes. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of buying a Original 1977 Yamaha DT100 Rear Hub Brake Plate**

1. **Authentic Fit and Functionality**

The original brake plate is designed specifically for the 1977 DT100, ensuring a perfect fit with the hub, caliper, and brake system. Aftermarket replacements may not match the original dimensions or material properties, potentially leading to misalignment or reduced braking performance.

2. **Durability and Material Quality**

Yamaha s brake plates from this era were made from cast iron, a material known for its strength and heat resistance. While not as lightweight as modern alloys, it is durable and less prone to warping under normal use. The thickness and construction were optimized for the DT100 s braking demands of the time.

3. **Historical Accuracy for Restoration**

If you are restoring a 1977 DT100 to factory specifications, using the original or an exact replica ensures the bike retains its period-correct appearance and mechanical integrity. This is particularly important for show bikes or collectors who prioritize authenticity.

4. **Compatibility with Original Parts**

The brake plate works seamlessly with the original DT100 brake caliper, pads, and rotor (if using the original setup). This reduces the need for additional modifications or conversions, simplifying maintenance and part sourcing.

5. **Potential for Customization**

While the original plate is functional, some riders may choose to modify it (e.g., drilling for weight reduction or adding cooling fins) to improve performance. The cast iron base provides a solid foundation for such alterations.

6. **Reliability for Off-Road Use**

The DT100 was designed for rugged, high-stress off-road use, and the original brake plate was built to handle the demands of dirt track riding. It is less likely to fail suddenly compared to cheaper aftermarket alternatives, which may wear out faster or corrode.

7. **Ease of Replacement**

Replacing the brake plate is a straightforward process that requires minimal tools. The DT100 s design allows for easy access to the rear hub, making it a manageable DIY repair for most mechanics.

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### **Cons of buying a Original 1977 Yamaha DT100 Rear Hub Brake Plate**

1. **Limited Availability and Sourcing Challenges**

The DT100 is a vintage bike, and original brake plates are rare. Finding a genuine Yamaha part may require searching through salvage yards, online marketplaces (eBay, Facebook Marketplace, or specialty forums), or contacting restoration shops. Prices can be high due to scarcity, especially for complete, undamaged units.

2. **Potential for Wear or Damage**

If purchasing a used brake plate, there is a risk of hidden damage such as cracks, warping, or corrosion. Cast iron can degrade over time, particularly if the plate was exposed to moisture or extreme heat. Inspecting the part thoroughly (or having it professionally inspected) is essential to avoid premature failure.

3. **Weight Considerations**

Cast iron brake plates are heavier than modern aluminum or composite alternatives. While this is not a significant issue for the DT100 s power output, riders seeking lighter components for improved handling may prefer aftermarket options.

4. **Maintenance Requirements**

Original brake plates may require more frequent inspection and replacement of brake pads to maintain optimal performance. Over time, the cast iron can wear down, and the brake system may lose efficiency if not properly maintained.

5. **Cost Compared to Aftermarket Alternatives**

While the original plate is reliable, aftermarket brake plates or kits (even for vintage bikes) may offer comparable performance at a lower cost. Some aftermarket options are designed to replicate the original dimensions while using modern materials or coatings for improved durability.

6. **Limited Performance Upgrades**

The original brake plate is not optimized for high-performance riding or heavy-duty use beyond what the DT100 was originally intended for. Riders pushing the bike harder may need to upgrade to a more robust brake system, which could require replacing the plate entirely.

7. **Potential for Incompatibility with Modern Modifications**

If the DT100 has been heavily modified (e.g., with larger wheels, suspension upgrades, or performance brakes), the original brake plate may not be sufficient. In such cases, a more modern or reinforced brake plate would be necessary.

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### **Conclusion**

The **1977 Yamaha DT100 rear hub brake plate (5DV-25355-00-00)** is a sound choice for riders who prioritize authenticity, reliability, and a straightforward fit for their vintage bike. It is ideal for restoration projects, collectors, or those who prefer original components to maintain the bike s historical integrity. The cast iron construction ensures durability and compatibility with the original brake system, making it a low-maintenance option for standard off-road use.

However, the plate s scarcity, potential for wear, and heavier weight may be drawbacks for riders seeking modern performance upgrades or cost-effective solutions. If the bike is heavily modified or used for aggressive riding, an aftermarket brake plate or kit might be a better investment.

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### **Recommendation**

- You are restoring a 1977 DT100 to factory specifications.

- You prioritize historical accuracy and a proven, durable component.

- You are willing to pay a premium for authenticity and are confident in sourcing a high-quality used or new-in-box part.

- Your riding style is moderate, and you do not require performance upgrades.

- You cannot find a genuine original plate or cannot justify the cost.

- You want a lighter or more modern brake plate for improved performance.

- The DT100 has been modified significantly, and the original plate may not suffice.

- You prefer easier availability and lower costs, even if it means sacrificing some historical authenticity.

For most riders, the original brake plate is a **strong choice for authenticity and reliability**, but it is worth weighing the trade-offs against aftermarket options based on your specific needs and budget. Always inspect the part thoroughly before purchasing to ensure it is in good condition.

Details:

The paint job not so much It is specifically designed for Yamaha motorcycles and compatible with the 1977 model. The 1977 Yamaha DT100 Rear Hub and Brake Plate Assembly is a vintage part made by in Japan. This assembly includes the rear hub and brake plate, providing necessary components for braking system of bike. With manufacturer part numbers 5DV-25355-00-00 and 355-25026-00-98, this product ensures a perfect fit quality construction for your Yamaha DT100 motorcycle.Its in really good condition the bushings are.

Overall its a really good nice solid part. And all the bolt holes are in great shape with no wear or damage on axle area.

part #: 5dv253550000 prices

• $20.00-$59.99

specifications cyclevintagee:

• for models: Dt100
• for makes: Yamaha
• for years: 1977
• mpn: 5dv-25355-00-00
• part type: Hub Brake Plate
• country of origin: Japan
• vintage part: Yes
• placement on vehicle: Rear

general cyclevintagee:

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

payments cyclevintagee:

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

seller cyclevintagee:

• # reviews: 2075
• city: Clayton, Indiana
• rating: 97.1%

returns cyclevintagee:

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

offer cyclevintagee:

• started: April 11, 2026
• options: Ship-to-home
• best offers: True
• sold: 0
• availability: In Stock
• quantity: 1

shipping cyclevintagee:

• type: Fixed
• service: USPS Ground Advantage
• cost: $10.30
• transit: 6-12 Days
• class: Standard
• carrier: USPS

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