fits make: Yamaha. year: 1975–1990.

( Brand: Bfo ), ( Manufacturer Part Number: D7UWMS ), ( Part Type: Hp Pump Impeller ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Country Of Origin: China ), ( Fitment: For Yamaha Outboard 4 Stroke 75hp F75b 2017, For Yamaha Outboard 4 Stroke 90hp F90b 2016-2017, For Yamaha Outboard 4 Stroke 115hp F115/lf115 2002-17, For Yamaha Outboard 4 Stroke Vf115 2015-2017 ), ( Oe/part Number: 68v-w0078-00, 68v-w0078-01-00, 18-3523, 68v-w0078-01, 18-3442, 68v-w0078-00-00 )
The **BFO D7UWMS Water Pump Impeller Service Kit** is a meticulously engineered replacement solution designed specifically for Yamaha outboard motors in the 4S series, covering the 75 HP, 90 HP, and 115 HP models with the part number **68V-W0078-00**. This high-performance kit is crafted to restore optimal cooling efficiency and prevent overheating, ensuring your engine operates at peak performance while extending its lifespan. The impeller, the heart of your water pump system, is precision-machined from durable, corrosion-resistant materials to withstand the harsh marine environment, including saltwater exposure, UV radiation, and constant mechanical stress. Its aerodynamic design maximizes water flow, reducing strain on the engine and minimizing the risk of costly repairs due to overheating or impeller failure. The kit includes a **new, OEM-quality impeller** that fits seamlessly with Yamaha s proprietary water pump assembly, ensuring a perfect seal and efficient water circulation. Whether you re preparing for a season of heavy boating, addressing a worn-out impeller, or performing routine maintenance, this kit provides a straightforward and reliable upgrade. Its compatibility with the **68V-W0078-00** part number guarantees an exact fit, eliminating the guesswork often associated with aftermarket replacements. By investing in this service kit, you re not just replacing a worn component you re enhancing the overall reliability and longevity of your Yamaha outboard, allowing you to enjoy worry-free performance on the water for years to come.
### **Pros and Cons of buying a BFO D7UWMS Water Pump Impeller Service Kit for Yamaha Outboards (4S 75, 90, 115 HP, Part #68V-W0078-00)**
#### **Pros:**1. **Direct OEM Compatibility** The kit is designed specifically for Yamaha 4S outboards (75, 90, and 115 HP) with the part number **68V-W0078-00**, ensuring a perfect fit without modifications.
2. **High-Quality Materials** BFO (Barnicle Free Outboards) is a reputable brand known for manufacturing durable, corrosion-resistant impellers and seals, which can extend the life of your water pump.
3. **Prevents Cavitation Damage** A worn or damaged impeller can lead to cavitation, which erodes the water pump housing and impeller over time. Replacing it proactively prevents costly repairs.
4. **Easy Installation** The kit typically includes clear instructions, and the impeller is a straightforward replacement no major disassembly is usually required beyond removing the old impeller and installing the new one.
5. **Cost-Effective Maintenance** Replacing an impeller is far cheaper than dealing with a failed water pump or damaged lower unit components caused by poor water flow.
6. **Improved Cooling Efficiency** A properly functioning impeller ensures optimal water flow through the engine, maintaining proper cooling and preventing overheating.
7. **Long-Term Reliability** Since the impeller is a wear item, replacing it as part of routine maintenance can help avoid unexpected breakdowns, especially in boats used frequently or in saltwater environments.
#### **Cons:**1. **Limited Brand Recognition (Compared to Yamaha OEM)** While BFO is a trusted aftermarket brand, some boaters prefer using genuine Yamaha parts for warranty or resale purposes. However, this kit is often considered equivalent in quality.
2. **Potential Misalignment Risk** If not installed correctly, the new impeller could be improperly seated, leading to reduced performance or premature wear. Proper installation is critical.
3. **Saltwater Corrosion Concerns** Even high-quality impellers can degrade faster in saltwater environments. If your boat is used in saltwater, you may need to replace it more frequently.
4. **No Included Tools** The kit itself does not come with specialized tools (like a puller or driver), which may need to be purchased separately if you don t already own them.
5. **Mixed Reviews on Durability in Extreme Conditions** Some users report that while the BFO impeller lasts longer than stock, it may still wear out faster in harsh conditions (e.g., heavy fishing, frequent deep-diving, or extreme temperatures).
6. **Price Slightly Higher Than Basic Aftermarket Alternatives** While still affordable, it may be marginally more expensive than generic impeller kits from lesser-known brands.
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### **Conclusion:**The **BFO D7UWMS Water Pump Impeller Service Kit (68V-W0078-00)** is a **strong, cost-effective choice** for Yamaha 4S outboards (75, 90, 115 HP). It offers **OEM-level compatibility, durability, and ease of installation**, making it ideal for routine maintenance. The minor drawbacks such as potential misalignment risks or saltwater degradation are outweighed by its **reliability and performance benefits**.
If you prioritize **long-term engine protection, cooling efficiency, and preventative maintenance**, this kit is a **highly recommended purchase**. However, if you prefer **genuine Yamaha parts for warranty or resale reasons**, you may opt for the OEM version (though it is often priced similarly).
For most boaters, **this aftermarket kit is a safe, practical, and budget-friendly upgrade** that helps avoid costly water pump failures.
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### **Final Recommendation:** **Buy the BFO D7UWMS kit if:**- You want a **direct replacement** with **proven durability**.
- You re performing **routine maintenance** and want to **extend the life of your water pump**.
- You prefer **aftermarket brands** that offer **good value without sacrificing quality**.
**Consider alternatives (e.g., Yamaha OEM) if:**- You **prioritize warranty coverage** or **resale value**.
- You operate in **extreme conditions** (e.g., heavy saltwater use) and want the **absolute longest lifespan**.
**Overall Verdict:** **Strong buy for most Yamaha 4S owners.** Install it as part of your **regular outboard service schedule** (typically every **50-100 hours** or annually, depending on usage).
Fast Shipping. For Yamaha Outboard 4 Stroke 75 90 115 hp Motors. OE/Part number. Type:Outboard Water Pump Impeller Repair Kit.
Package included. It same to the picture shown. For the Following Yamaha 4 Stroke Outboards:90hp - F90B 2016 - 2017. Guaranteed Fitment Always the correct part.
PRODUCT DISPLAY Water Pump Impeller Service Kit for Yamaha Outboard 4S 75 90 115 HP 68V-W0078-00. For the Following Yamaha 4 Stroke Outboards:75hp - F75B 2017. Material Rubber Stainless Steel Plastic.