1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 20866479065120723
  3. YAMAHA 3H5-25831-10-00

YAMAHA 3H5-25831-10-00 Sg Front Brake Disks

fits model: Xs1100, 1100, Xs. make: Yamaha. year: 1980.

3h5-25831-10-00 Yamaha 1980 Xs1100 Xs 1100 Sg Special Front Brake Disks

( Manufacturer Part Number: 3H5-25831-10-00 ), ( Part Type: Brake ), ( Machine Type: Motorcycle ), ( Color: Silver ), ( Material: Steel ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front )

Review YAMAHA Sg Special Front Brake Disks fits XS1100 1100 XS 1980

The **Yamaha 3H5-25831-10-00 front brake disk** from the iconic **1980 Yamaha XS1100/SG** is a meticulously crafted component that embodies the legendary reliability and performance of one of the most influential naked bikes of the late 1970s. This aftermarket replacement brake rotor is designed to replicate the original factory specification with precision, ensuring seamless integration into the XS1100 s front brake caliper system while maintaining the bike s classic handling and stopping power. Engineered from high-quality, heat-treated steel, the disk features a smooth, machined surface with a standard 2.75-inch diameter, perfectly sized to work with the bike s original dual-piston caliper for optimal braking efficiency. The **3H5-25831-10-00** is built to withstand the demands of modern riding conditions while preserving the vintage aesthetic of the XS1100, making it an ideal choice for restorers, enthusiasts, and collectors seeking authenticity without compromise. Whether restoring a show-worthy classic or upgrading an existing ride for improved safety and performance, this brake disk delivers the durability and responsiveness expected from Yamaha s legendary engineering ensuring a stop that s as sharp as the XS1100 s legendary throttle response.

**Pros and Cons of buying a Yamaha XS1100/XS1100SG Front Brake Disks (Part Number: 3H5-25831-10-00, 1980 Model)**

### **Pros:**

1. **Authentic Fitment** These are genuine Yamaha brake disks designed specifically for the XS1100/XS1100SG, ensuring proper alignment, compatibility, and performance. Aftermarket parts may not match perfectly, leading to potential issues like uneven wear or poor braking.

2. **Reliability and Durability** Yamaha s original components are built to last, especially if the bike was well-maintained. The brake system on the XS1100 is robust, and genuine parts reduce the risk of premature failure.

3. **Easier Maintenance and Replacement** Since these are original parts, they are easier to install and service. Mechanics familiar with the XS1100 will be more comfortable working with them, and you won t have to worry about compatibility issues with aftermarket alternatives.

4. **Preservation of Originality** If you value the bike s originality or plan to sell it as-is, using genuine parts helps maintain its historical and mechanical integrity. Restoring with aftermarket components may deter buyers looking for an authentic example.

5. **Potential for Better Braking Performance** If the original disks were worn or damaged, replacing them with new genuine parts can restore braking efficiency, which is crucial for safety, especially on a bike from the early 1980s.

6. **Avoiding Counterfeit or Low-Quality Parts** Some aftermarket brake disks may be made from inferior materials or poorly manufactured, leading to warping, uneven wear, or reduced stopping power. Genuine Yamaha parts are less likely to suffer from these issues.

7. **Future-Proofing** If you plan to keep the bike long-term, having original parts reduces the risk of parts becoming harder to find as the model ages further.

---

### **Cons:**

1. **Cost** Genuine Yamaha brake disks are more expensive than aftermarket alternatives. For a 1980s bike, this may be a significant investment, especially if you re restoring or maintaining the bike on a budget.

2. **Limited Availability** While Yamaha parts are still available for classic models, they may not be as widely stocked as they once were. You might need to order from specialty dealers, which could involve shipping delays or higher costs.

3. **Potential Overkill for Light Use** If the bike is primarily used for casual riding or storage, the original brake disks may be more than necessary. Aftermarket disks (even budget options) could suffice for basic use, saving money without sacrificing safety.

4. **Age-Related Wear** Even if the disks are new, the rest of the brake system (calipers, pads, hydraulic lines, and master cylinder) may be worn or degraded. Replacing just the disks without addressing the entire system could lead to poor braking performance or further damage.

5. **Installation Complexity** Depending on your mechanical skill level, replacing brake disks on an older bike can be challenging. It may require removing the wheel, adjusting the caliper, and ensuring proper alignment. If you re not comfortable with this work, labor costs at a shop could add to the expense.

6. **Environmental and Ethical Considerations** If you re concerned about sustainability, purchasing new parts for a classic bike may not align with your values. Some buyers opt for refurbished or salvaged parts instead.

7. **Market Value Impact** If you re restoring the bike to sell, using original parts may not always increase its value as much as a fully restored or modified version. Some buyers prefer aftermarket upgrades for performance or aesthetics.

---

### **Conclusion:**

Buying genuine Yamaha brake disks (3H5-25831-10-00) for your 1980 XS1100/XS1100SG is a practical choice if you prioritize authenticity, reliability, and long-term performance. These parts ensure a proper fit, maintain the bike s original character, and provide peace of mind regarding safety and compatibility. However, the higher cost and potential overkill for light-use scenarios must be weighed against the benefits.

If budget is a concern, aftermarket disks from reputable brands (e.g., EBC, Akebono, or Brembo) can be a cost-effective alternative, provided they meet or exceed the original specifications. Always ensure that any replacement parts are compatible with the rest of the brake system (e.g., caliper type, rotor size) to avoid issues.

For a bike you ride regularly or plan to keep for years, genuine parts are the safest and most satisfying option. For a project bike or occasional rider, aftermarket parts may be sufficient.

### **Recommendation:**

- **If you value authenticity, safety, and long-term reliability**, purchase the genuine Yamaha brake disks. Pair this with a full brake system inspection (calipers, pads, fluid, and hydraulic lines) to ensure optimal performance.

- **If you re on a budget or the bike is lightly used**, consider high-quality aftermarket disks (e.g., EBC or Akebono) that match the original specifications. Ensure they are designed for front brake applications on a 1980s Yamaha.

- **If restoring for sale**, weigh the trade-off between original parts (which may appeal to purists) and aftermarket upgrades (which could attract buyers looking for modernized performance). Consult with classic bike enthusiasts or dealers to gauge market preferences.

- **If unsure about installation**, have a mechanic with experience in classic Yamaha bikes perform the replacement to avoid mistakes that could compromise braking.

Ultimately, the decision depends on your priorities whether they re preservation, performance, cost, or a combination of these factors.

Details:

1980 Yamaha XS1100 XS 1100 SG Special Front Brake Disks.

part #: 3h5258311000 price

  • $54.99

specifications cyclevintagee:

  • for models: Xs1100, 1100, Xs
  • for makes: Yamaha
  • for years: 1980
  • mpn: 3h5-25831-10-00
  • part type: Brake
  • machine type: Motorcycle
  • color: Silver
  • material: Steel
  • vintage part: Yes
  • placement on vehicle: Front

payments cyclevintagee:

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

general cyclevintagee:

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

seller cyclevintagee:

  • rating: 100.0%
  • city: Lincoln, Missouri
  • # reviews: 8213

offer cyclevintagee:

  • quantity: 1
  • availability: In Stock
  • started: February 27, 2026
  • sold: 0
  • options: Ship-to-home

shipping cyclevintagee:

  • class: Standard
  • type: Fixed
  • cost: $0.00
  • transit: 6-10 Days
  • service: USPS Ground Advantage
  • carrier: USPS

returns cyclevintagee:

  • policy: No Returns
for models: xs1100, 1100, xs, for makes: yamaha, for years: 1980, part type: brake, machine type: motorcycle, vintage part: yes, placement on vehicle: front,
category: motorcycle parts > motorcycle scooter parts accessories, color: silver, material: steel, sku: 20866479065120723,
Yamaha 3H5-25831-10-00 Is Similar To:
cyclevintagee logo
1 offer $54.99 USD
  • Used. Offer #1 priced at $54.99 + $0.00 shipping estimate = $54.99* total. FREE SHIPPING

Copyright © cyclevintagee.com