BIKEMASTER MN-QX5B Rear Brake Master Cylinder Shoes MN/QX5B

( Brand: Bikemaster ), ( Manufacturer Part Number: MN/QX5B ), ( Type: Brake Shoes ), ( Compatible Year: 1987 1986 1985 1984 1983 1982 1981 1980 ), ( Bundle Description: 1 Pc Genuine Bikemaster Brake Shoes ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Position: Rear )

Review BIKEMASTER Mn/qx5b Rear Brake Shoes Yamaha Mi fits QX5B YZ125 1980–1987

The **Bikemaster MN/QX5B Rear Brake Shoes** are a meticulously engineered replacement solution designed specifically for the iconic **1980 1987 Yamaha YZ125** dirt bikes, ensuring optimal braking performance and longevity for riders who demand both reliability and precision. Crafted from high-quality, heat-resistant **asbestos-free friction material**, these brake shoes are engineered to deliver superior stopping power while maintaining durability under the demanding conditions of off-road riding. The shoes feature a **precision-molded design** that perfectly matches the original Yamaha specifications, guaranteeing a seamless fit within the rear brake caliper assembly without the need for excessive modification or adjustment. Their **reinforced backing plates** provide structural integrity, preventing warping or deformation even after prolonged use, while the **optimized friction compound** ensures consistent braking response across varying temperatures and moisture levels whether you're tackling dusty trails, muddy tracks, or fast descents. Ideal for both restoration projects and routine maintenance, these brake shoes are a straightforward, cost-effective upgrade that restores the YZ125 s braking efficiency to factory standards, reducing pedal effort and enhancing rider confidence. Whether you're preparing your bike for competitive racing or simply maintaining its performance for weekend rides, the **Bikemaster MN/QX5B** brake shoes offer a dependable, high-performance alternative to worn or degraded original components, ensuring your Yamaha YZ125 stops as effectively as it accelerates.

Buying **BikeMaster MN/QX5B rear brake shoes** for a **1980 1987 Yamaha YZ125** can be a practical solution for replacing worn or damaged brake pads, but there are several factors to consider before making a purchase.

### **Pros of BikeMaster MN/QX5B Brake Shoes**

1. **Compatibility** The BikeMaster MN/QX5B is designed to fit the rear brake system of the Yamaha YZ125, which uses a drum brake setup. This ensures a direct replacement without modification.

2. **Cost-Effective** Compared to OEM (original equipment manufacturer) parts, aftermarket brake shoes like these are often more affordable, making them a budget-friendly option for maintenance.

3. **Performance** When properly installed and adjusted, these shoes can provide adequate braking performance, especially if the drum and other components are in good condition.

4. **Availability** BikeMaster is a well-known brand in the off-road and motorcycle aftermarket, meaning these parts are relatively easy to find online or at specialty stores.

5. **Durability** High-quality aftermarket brake shoes are typically made from durable materials that can withstand the demands of motocross or trail riding, provided they are maintained properly.

6. **Easy Installation** Since they are a direct replacement, installation is straightforward for someone with basic mechanical skills, requiring only the removal of the old shoes and adjustment of the brake mechanism.

### **Cons of BikeMaster MN/QX5B Brake Shoes**

1. **Potential for Wear Differences** Aftermarket brake shoes may wear at a slightly different rate than OEM parts, which could mean more frequent replacements if not monitored closely.

2. **Quality Variability** While BikeMaster is a reputable brand, there is always a chance of receiving a lower-quality batch, especially if purchasing from a third-party seller. Always check reviews or buy from trusted retailers.

3. **Adjustment Required** Drum brakes on the YZ125 require proper adjustment to ensure even contact with the shoes and the brake drum. Improper adjustment can lead to poor braking or uneven wear.

4. **Limited Lifespan** Like all brake components, these shoes will eventually wear out, especially under heavy use. The lifespan depends on riding conditions, maintenance, and how aggressively the brakes are used.

5. **Compatibility with Other Components** If the brake drum, springs, or adjuster mechanism are worn or damaged, the new shoes may not perform optimally. A full brake inspection is recommended before installation.

6. **Environmental Factors** Exposure to mud, water, and extreme temperatures can accelerate wear on brake shoes, reducing their lifespan compared to OEM parts in ideal conditions.

### **Conclusion**

The **BikeMaster MN/QX5B rear brake shoes** are a viable and cost-effective option for replacing worn brake shoes on a **1980 1987 Yamaha YZ125**, provided they are installed correctly and the rest of the brake system is in good condition. They offer a balance of affordability and performance, making them a practical choice for riders looking to maintain their bike without breaking the bank.

However, it is crucial to ensure that the **brake drum, springs, and adjuster mechanism** are in good working order before installing new shoes. Proper adjustment and regular maintenance will maximize their lifespan and effectiveness. If the bike has been neglected for an extended period, a full brake overhaul may be necessary to restore optimal performance.

### **Recommendation**

If you are replacing brake shoes due to wear or damage, **BikeMaster MN/QX5B is a solid choice** for the Yamaha YZ125. Purchase from a trusted supplier to ensure quality, and follow proper installation and adjustment procedures. Additionally, inspect the rest of the brake system to avoid future issues. For long-term reliability, consider replacing other worn components (such as the brake drum or springs) at the same time if they show signs of deterioration. If you are unsure about installation, consult a mechanic to ensure proper setup.

Details:

BikeMaster Rear Brake Shoes for 1980 - 1987 Yamaha YZ125 - mi: Status: In Stock.

part #: mnqx5b price

• $32.97

specifications cyclebrakeshoe:

• for models: Qx5b, Yz125
• for makes: Yamaha
• for years: 1980-1987
• brand: Bikemaster
• mpn: Mn/qx5b
• type: Brake Shoes
• compatible year: 1987 1986 1985 1984 1983 1982 1981 1980
• bundle description: 1 Pc Genuine Bikemaster Brake Shoes
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• position: Rear

offer cyclebrakeshoe:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0
• started: June 10, 2026

payments cyclebrakeshoe:

• wallet: Apple-pay
• other
• credit card: Diners-club

general cyclebrakeshoe:

• Motorcycle Scooter Parts Accessories > Brakes Brake Parts > Brake Shoes
• condition: New

seller cyclebrakeshoe:

• # reviews: 24005
• city: Multiple warehouses
• rating: 99.3%

returns cyclebrakeshoe:

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

shipping cyclebrakeshoe:

• class: Standard
• service: Standard
• type: Fixed
• cost: $0.00
• transit: 2-6 Days

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