fits model: Xs850, Xs850h. make: Yamaha. year: 1981.

( Manufacturer Part Number: 4W1-W0045-00 ), ( Part Type: Pad Brake ), ( Country Of Origin: United States ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: K6 Mot-n Buk 42 )
The **Yamaha 4W1-W0045-00 1981 XS850/XS850H Front Brake Pad Kit** is a meticulously engineered aftermarket component designed to restore peak braking performance and reliability to Yamaha s iconic XS850 and XS850H models from the early 1980s. This high-quality brake pad kit features premium, semi-metallic friction material engineered to deliver superior heat dissipation, extended wear life, and consistent stopping power even under demanding conditions. Crafted from a blend of durable metals, reinforced fibers, and specialized friction modifiers, these pads are built to withstand the rigors of spirited riding, daily commuting, or long-distance touring without compromising on safety or responsiveness. The kit includes a pair of precision-machined brake pads that fit seamlessly into the front calipers of the XS850 s hydraulic disc brake system, ensuring optimal contact with the rotor for maximum bite and minimal fade. Whether you re tackling twisty backroads, cruising at highway speeds, or simply maintaining your classic bike for vintage rides, this kit offers a reliable upgrade over worn-out OEM pads, reducing brake dust, squeaking, and uneven wear while enhancing overall braking efficiency. Backed by Yamaha s reputation for precision engineering, this kit is an essential maintenance solution for riders who demand both performance and longevity from their beloved XS850 or XS850H.
### **Pros and Cons of buying a Yamaha 4W1-W0045-00 (1981 XS850/XS850H Front Brake Pad Kit)**
#### **Pros:**1. **OEM Compatibility** This is a genuine Yamaha replacement part, meaning it is designed to fit perfectly with the 1981 XS850/XS850H without modifications. It ensures proper alignment, braking performance, and safety.
2. **High-Quality Materials** Yamaha uses durable materials in their brake pads, which typically offer better longevity compared to aftermarket alternatives, especially for a classic bike.
3. **Reliability** Since this is an original equipment part, it is less likely to fail prematurely, reducing the risk of sudden brake malfunctions while riding.
4. **Ease of Installation** Being an OEM part, it should fit seamlessly with the existing brake system, making installation straightforward for someone with basic mechanical skills.
5. **Maintenance of Bike Value** If you plan to keep or sell the bike later, using OEM parts helps maintain its original condition, which can be appealing to collectors or enthusiasts.
6. **Consistency with Original Performance** The braking feel and response should remain close to the bike s original specifications, which may be important for riders who prioritize authenticity.
#### **Cons:**1. **Higher Cost** OEM parts are generally more expensive than aftermarket alternatives. For a brake pad kit, this may not be a huge expense, but it could still be a noticeable difference in budget.
2. **Limited Availability** Since this is an older model, finding the exact part may require searching through specialty motorcycle parts dealers, vintage bike shops, or online marketplaces, which could take time.
3. **Potential for Wear Over Time** While durable, brake pads (even OEM) will eventually wear out, especially if the bike is ridden frequently or under aggressive conditions. Replacement intervals may still be necessary.
4. **No Upgrades in Technology** Unlike aftermarket pads, which may offer improved friction compounds or heat resistance, this is a standard OEM solution. If you re looking for enhanced braking performance, you might need to explore other options.
5. **Potential for Overkill** If the original pads were already in good condition, replacing them solely for preventive maintenance might not be justified unless there are visible signs of wear or reduced performance.
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### **Conclusion:**The Yamaha 4W1-W0045-00 brake pad kit is a solid choice for owners of the 1981 XS850/XS850H who prioritize authenticity, reliability, and ease of installation. It is the safest and most straightforward option for maintaining the bike s original specifications. However, if cost is a concern or if you re open to aftermarket alternatives that might offer slight performance improvements, those could be worth considering though they may not guarantee the same level of fit and finish.
For most riders, especially those who value originality and long-term reliability, the OEM part is the best recommendation. If the bike is used infrequently or stored for long periods, the pads may last even longer, making the purchase even more justified.
**Final Recommendation:** Buy the Yamaha 4W1-W0045-00 brake pad kit if:- You want to maintain the bike s original condition.
- You prefer the reliability of an OEM part.
- You re comfortable paying a slightly higher price for authenticity.
Consider aftermarket options if:- You re on a tight budget and can find a high-quality alternative.
- You re looking for potential performance improvements (though verify compatibility first).
- You re unsure whether the original pads are still in good condition and could wait for a more urgent replacement.
Yamaha Cruisers. Yamaha MX / ATV. Genuine Yamaha OEM front brake pad kit, designed for optimal stopping power and durability on various vintage model's. Spotlight: A Day Inside .
Fits: 1981 Yamaha XS850. Hyacinth / United Motors. YAMAHA 1976-2000 YZ100 DT100 RT100 OEM 2ND O/S. The image to watch on YouTube.
50 Piston Rings 1G9-11611-20.