fits model: Ca50. make: Yamaha. year: 1983–1986.

( Manufacturer Part Number: 4K5-W25335-00-00 ), ( Type: Brake Shoe Set )
The **Yamaha 4K5-W25335-00-00 Brake Shoe Set** is a meticulously engineered, high-performance replacement part designed specifically for the **1983 1986 Yamaha Riva 50 CA50** outboard motor, ensuring optimal braking efficiency and longevity. This precision-crafted brake shoe set is crafted from durable, heat-resistant materials engineered to withstand the demanding conditions of marine environments, where exposure to saltwater, moisture, and constant mechanical stress can accelerate wear. The shoes are designed to fit seamlessly within the Riva 50 s drum brake system, providing a tight, consistent contact with the brake drum to deliver reliable stopping power, whether you're cruising at low speeds or maneuvering in tight spaces. Each shoe in this set is carefully machined to maintain the original dimensions and tolerances of the OEM components, guaranteeing a perfect fit without the need for excessive modification or adjustment. The robust construction minimizes slippage and wear, reducing the frequency of maintenance and extending the lifespan of both the brake shoes and the drum itself. Whether you're restoring a classic Yamaha Riva or upgrading an existing setup, this brake shoe set is an essential component for maintaining peak performance, safety, and reliability in your outboard motor. Built to meet Yamaha s stringent quality standards, this part is a direct-fit solution that restores the braking system to factory specifications, ensuring smooth operation and peace of mind for every ride.
### **Pros and Cons of buying a Yamaha 4K5-W25335-00-00 Brake Shoe Set (1983 1986 Riva 50/CA50)**
#### **Pros:**1. **Direct Fitment** This brake shoe set is specifically designed for the Yamaha Riva 50/CA50 models from 1983 to 1986, ensuring compatibility without modification.
2. **Performance Improvement** New brake shoes replace worn or glazed friction material, restoring braking efficiency and reducing stopping distances.
3. **Safety Enhancement** Worn brake shoes can lead to reduced braking power, increased pedal effort, or even failure. Replacing them prevents potential accidents.
4. **Prevents Further Damage** Failing to replace brake shoes can damage rotors, calipers, or the brake system as a whole, leading to costly repairs later.
5. **Cost-Effective Maintenance** Compared to full brake system overhauls, brake shoes are relatively inexpensive to replace, making this a budget-friendly upgrade.
6. **Easier Installation** Since this is a direct replacement part, installation is straightforward for those with basic mechanical skills or can be done by a mechanic quickly.
7. **Compatibility with Aftermarket Upgrades** If you plan to modify your Riva 50/CA50 (e.g., engine tuning, exhaust), fresh brake shoes ensure the braking system remains reliable under increased stress.
#### **Cons:**1. **Age of the Part** The part number (4K5-W25335-00-00) suggests it may be an older or discontinued model. Availability could be limited, especially if sourcing from aftermarket suppliers.
2. **Potential Counterfeit Risk** Older parts, particularly from non-OEM sources, may be counterfeit or of lower quality, leading to premature wear or failure.
3. **Additional Maintenance Required** While replacing brake shoes is a good step, you should also inspect and service other brake components (rotors, calipers, hydraulic lines) to ensure the entire system is functioning properly.
4. **Skill Dependency** If you attempt installation yourself, improper fitting (e.g., incorrect adjustment, misalignment) could lead to brake drag, uneven wear, or reduced performance.
5. **Environmental Factors** If your Riva 50/CA50 is frequently used in wet or dusty conditions, brake shoes may wear faster than expected, requiring more frequent replacements.
6. **Limited Lifespan** Even with proper maintenance, brake shoes have a finite lifespan (typically 10,000 20,000 miles for performance parts). This is a recurring cost rather than a one-time fix.
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### **Conclusion**
Replacing the brake shoes on your 1983 1986 Yamaha Riva 50/CA50 is a **highly recommended maintenance task** for safety and performance. The benefits improved braking, cost savings, and prevention of further damage far outweigh the minor drawbacks, provided you source genuine parts and ensure proper installation. The main risks (counterfeit parts or installation errors) can be mitigated by purchasing from a reputable supplier (such as Yamaha s official parts department, a trusted marine parts dealer, or a well-reviewed aftermarket supplier) and following the manufacturer s guidelines or consulting a mechanic if unsure.
If you re unsure about sourcing the part, consider checking:- **Yamaha s official parts catalog** (or authorized dealers).
- **Specialized marine/outboard parts retailers** (e.g., Sea-Doo, Mercury, or Yamaha-certified suppliers).
- **Online marketplaces with seller reviews** (e.g., eBay, Facebook Marketplace, or marine forums) to verify authenticity.
For most owners, this upgrade is a **worthwhile investment** that extends the life of your Riva 50/CA50 and ensures reliable stopping power. If you re comfortable with basic maintenance, the installation is manageable; otherwise, a mechanic can complete it in under an hour.
1983 83-86 Yamaha Riva 50 CA50 BRAKE SHOE SET 4K5-W25335-00- This brake shoe set is new!, Removed From: CA50, Please review all pictures to assess the condition of item. PARTSPLUSMORE14.