EBC AR42-JA381340-12 Brake Pads Rear

( Brand: Ebc ), ( Manufacturer Part Number: AR42-JA381340-12 ), ( Part Type: Pad Brake )

Review EBC Kawasaki Organic Brake Pads Rear fits NINJA STREET ZX 900 1984–1986

The **EBC AR42-JA381340-12** rear brake pads are a meticulously engineered, high-performance solution specifically designed for the **1984 1986 Kawasaki ZX-900 Ninja**, a legendary sportbike known for its aggressive handling and raw power. These brake pads represent a perfect blend of cutting-edge technology and precision craftsmanship, ensuring superior stopping power, extended durability, and enhanced modulation for riders who demand nothing less than excellence. Crafted from EBC s proprietary **AR42 ceramic composite material**, these pads deliver an exceptional balance of bite, fade resistance, and consistent performance across a wide range of temperatures, making them ideal for both spirited track use and spirited street riding. The **JA381340-12** part number ensures an exact fit for the ZX-900 s rear caliper, with optimized pad geometry that maximizes contact area and heat dissipation, reducing the risk of brake fade during aggressive braking or repeated hard stops. Unlike conventional organic or semi-metallic pads, the ceramic formulation minimizes dust production, keeping your bike s wheels and calipers cleaner for longer while also reducing the need for frequent maintenance. Whether you re pushing the limits on a twisty backroad or navigating high-speed overtakes, these pads provide a progressive, responsive feel with minimal judder or noise, allowing for precise control and confidence-inspiring braking performance. Built to withstand the demands of high-performance riding, the EBC AR42 pads are a testament to the brand s commitment to innovation, offering a reliable upgrade that elevates the ZX-900 s already formidable braking system to new heights.

### **Pros and Cons of buying a EBC AR42-JA381340-12 (1984 1986 Kawasaki ZX-900 Ninja Rear Brake Pads)**

1. **High-Quality Performance** EBC pads are known for their strong stopping power and consistent friction, which is crucial for a high-performance bike like the ZX-900. These pads are designed to handle aggressive riding and provide reliable braking, even under heavy loads.

2. **Durability** EBC s semi-metallic formulation balances wear resistance and heat dissipation, meaning they last longer than organic pads and perform better than ceramic in high-stress applications. This is particularly useful for a bike that was originally equipped with more basic braking systems.

3. **Compatibility** These pads are specifically engineered for the rear brake of the 1984 1986 Kawasaki ZX-900 Ninja, ensuring a proper fit without modification. This reduces the risk of installation errors or premature wear due to improper sizing.

4. **Enhanced Safety** The ZX-900 was a high-revving, sporty bike, and upgrading the rear brake pads can improve modulation and reduce brake fade, especially during spirited riding or track use. This makes them a practical choice for riders who prioritize control.

5. **Ease of Installation** Since these are direct replacements, they can be installed without major adjustments to the brake system, making them a straightforward upgrade for DIY mechanics or bike shops.

6. **Positive Reputation** EBC is a well-regarded brand in the aftermarket braking industry, known for producing reliable components that meet or exceed OEM standards. This gives buyers confidence in their long-term performance.

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1. **Cost** EBC pads are generally more expensive than basic OEM or generic aftermarket options. For a bike like the ZX-900, which may already have high-mileage components, this could be seen as an unnecessary expense if the original pads are still functional.

2. **Noise Sensitivity** Semi-metallic pads can sometimes generate more noise (squeaking or grinding) compared to organic or ceramic alternatives, especially if the rotors are worn or contaminated. This may require periodic rotor resurfacing or the use of anti-squeal compounds.

3. **Dust Production** Semi-metallic pads produce more brake dust than ceramic pads, which can be messy and may require more frequent cleaning of the wheels and brake system. This is less of an issue for street riders but could be a nuisance for those who prioritize aesthetics.

4. **Potential for Overkill** If the ZX-900 is primarily used for casual commuting or light riding, the performance benefits of EBC pads may not be fully utilized. In such cases, a more budget-friendly option might suffice.

5. **Compatibility with Aging Systems** The ZX-900 s original brake system (including rotors and calipers) may not be up to modern standards. If the rotors are warped, thin, or corroded, upgrading just the pads won t fully address braking performance. This could lead to disappointment if other components are neglected.

6. **Limited Availability of Parts** As a vintage bike, finding compatible rotors, calipers, or other brake components can be challenging. If the existing system is worn, sourcing replacements may require special ordering or custom machining.

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### **Conclusion**

The **EBC AR42-JA381340-12 rear brake pads** are a solid upgrade for the 1984 1986 Kawasaki ZX-900 Ninja, offering improved stopping power, durability, and safety especially for riders who push the bike hard or plan to use it on tracks. They are a practical choice if the original pads are worn, noisy, or ineffective, as they provide a noticeable upgrade in performance without requiring major modifications.

However, they are not a "set-and-forget" solution. Riders should also consider the condition of the rotors, calipers, and brake fluid, as these components play a critical role in overall braking efficiency. If the bike is used infrequently or primarily for leisurely rides, the cost and benefits may not justify the upgrade.

For **enthusiasts who want to restore or enhance their ZX-900 s braking system**, these pads are a worthwhile investment. For **casual riders or those on a tight budget**, a more affordable alternative (such as OEM or generic semi-metallic pads) might be sufficient, provided the rest of the brake system is in decent condition.

### **Recommendation**

- **Buy if:** You ride the ZX-900 aggressively, notice brake fade or poor modulation, or plan to use it for track days. Pair these pads with fresh rotors (if needed) and high-quality brake fluid for optimal results.

- **Skip if:** The bike is used lightly, the original pads are still functional, or you re unwilling to invest in accompanying brake system maintenance (e.g., rotor resurfacing).

- **Alternative Consideration:** If cost is a concern, look for **OEM-style semi-metallic pads** (e.g., from brands like Akebono or Ferodo) that offer a similar performance-to-price ratio. However, EBC remains a premium choice for those who demand reliability and performance.

Details:

1984 1986 Kawasaki ZX 900 Ninja Street EBC Organic Brake Pads Rear: Compatibility: Ninja, Vehicle Location: Rear. Most popular pad for Street use. This is helpful if you are buying multiple items.: Brand: EBC, model Number: AR42-JA381340-12.

I need to exchange an item. Made with Kevlar Ar amid fibre composite. Parts without fitment are to be assumed universal and may require vehicle modification. Credit or Debit Card.

part #: ar42ja38134012 price

• $42.53

specifications motorcyclepadus:

• for models: Zx, 900, Ninja, Street
• for makes: Kawasaki
• for years: 1984-1986
• brand: Ebc
• mpn: Ar42-ja381340-12
• part type: Pad Brake

shipping motorcyclepadus:

• cost: $0.00
• transit: 4-7 Days
• type: Fixed
• class: Standard
• service: Standard

seller motorcyclepadus:

• city: San Marcos, CA
• # reviews: 82015
• rating: 99.9%

payments motorcyclepadus:

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

offer motorcyclepadus:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 9
• started: April 4, 2026

returns motorcyclepadus:

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

general motorcyclepadus:

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

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