fits model: Phazer. make: Yamaha. year: 1990.

( Manufacturer Part Number: 8V0-21485-00-00 ), ( Type: Rear Damper Rod )
The **Yamaha SY16 8V0-21485-00-00 engine mount dampener** from the 1990 Phazer series is a precision-engineered component designed to ensure optimal performance, durability, and smooth operation of Yamaha s iconic outboard motors. This high-quality rubber mount is specifically crafted to absorb vibrations and shocks generated by the 8V0 engine, reducing fatigue on the motor s internal components while enhancing overall stability and ride comfort. The dampener features a robust, reinforced rubber construction with a durable metal clamp system, ensuring a secure and long-lasting fit that resists wear from constant exposure to water, salt, and varying temperatures. Its unique design minimizes transmission of engine noise and movement to the hull, contributing to a quieter, more refined boating experience. Whether installed on a recreational fishing boat, a speedboat, or a leisure craft, this mount plays a critical role in maintaining the integrity of the engine s mounting system, preventing premature wear on gaskets, bolts, and the engine block itself. Built to Yamaha s exact specifications, this part is a direct replacement for the original equipment, guaranteeing compatibility with the 1990 Phazer s 8V0 engine configuration. Its reliable performance extends the lifespan of the motor while ensuring that the boat remains stable and responsive, making it an essential component for any owner seeking to preserve their Yamaha s efficiency and longevity.
### **Pros and Cons of buying a Yamaha 8V0-21485-00-00 (1990 Phazer Engine Mount Damper SY16)**
#### **Pros:**1. **Direct Fitment** This part is specifically designed for the 1990 Yamaha Phazer, ensuring compatibility without modifications. It will replace the original engine mount damper, which may have worn out over time.
2. **Improved Stability** Engine mount dampers help reduce vibrations and engine movement, which can enhance ride comfort and reduce wear on the engine mounts and suspension components.
3. **Prevents Excessive Wear** A failing engine mount damper can cause excessive stress on the engine mounts, leading to premature failure. Replacing it can extend the lifespan of other related parts.
4. **Easier Installation** Since it s an OEM or high-quality aftermarket part, it should fit securely with standard tools, making it a straightforward DIY replacement if you have basic mechanical experience.
5. **Cost-Effective Alternative** Compared to full engine mount replacements, this damper is a relatively inexpensive fix, potentially saving money in the long run by preventing further damage.
6. **Maintains Factory Performance** Using an original or equivalent part ensures the engine remains properly supported, maintaining its intended performance and reducing the risk of drivetrain issues.
---
#### **Cons:**1. **Age and Wear** The part may have been stored for years, potentially leading to dried-out rubber or degraded materials. Inspect it closely before purchasing to ensure it s in good condition.
2. **Limited Availability** As a vintage Yamaha part, it may not be widely stocked in local stores. You may need to order it online, which could result in shipping delays or higher costs.
3. **Potential Counterfeit Risks** Older parts, especially from third-party sellers, may be counterfeit or of inferior quality. Verify the seller s reputation and check for authenticity markings.
4. **Installation Challenges** If the original mounts are severely corroded or damaged, removing and reinstalling the damper could be difficult, requiring additional tools or expertise.
5. **No Warranty** Since this is a used or older part, it may not come with a warranty. If it fails shortly after installation, you ll be responsible for replacement costs.
6. **Mixed Quality Control** Some aftermarket or refurbished parts may not meet OEM standards. If the damper is soft, cracked, or improperly vulcanized, it could fail prematurely.
---
### **Conclusion**
The **Yamaha 8V0-21485-00-00 engine mount damper (SY16)** is a practical and cost-effective solution for restoring proper engine support in a 1990 Phazer, especially if the original damper is worn or failing. It offers clear benefits in terms of stability, longevity, and performance, making it a worthwhile upgrade for those experiencing excessive engine movement or vibration.
However, the risks such as counterfeit parts, storage-related degradation, or installation difficulties must be carefully considered. To mitigate these concerns, **purchase from a reputable seller with return policies**, inspect the part thoroughly before buying, and ensure you have the necessary tools for installation.
If you re comfortable with basic mechanical work and can verify the part s condition, this is a **recommended purchase**. If you re unsure about the part s quality or your ability to install it correctly, consult a mechanic or consider a full engine mount replacement kit for added peace of mind.
**Final Recommendation:**Buy from a trusted source (preferably a Yamaha-approved dealer or a well-reviewed online retailer) and inspect the damper for cracks, hardness, or signs of wear before installation. If possible, test it for flexibility it should offer moderate resistance when compressed. For best results, pair this with a full engine mount inspection to address any related issues.
This engine mount dampner pair is in very good condition and shows normal signs of wear. Removed From: 1990 Yamaha Phazer II with miles. Change your mind, don't need the part, or just wan't what you are looking for. 1990 Yamaha Phazer Ii Oem Engine Mount Dampner Pair 8V0-21485-00-00 SY16.