Description
Product Overview
The Yamaha Outboard Water Pump Drive Shaft Collar & Spacer Kit is engineered to deliver reliable performance for a wide range of Yamaha outboard engines ranging from 115 to 300 horsepower. Each component in the kit is crafted from high‑quality stainless steel and durable engineering‑grade plastic, providing a perfect balance of strength, corrosion resistance, and lightweight handling. The collar and spacer are designed to replace the OEM part numbers 61A‑45527‑00‑00 and 61A‑45538‑00‑00, ensuring a direct fit without the need for additional modifications. With a compact package measuring just 2.48 x 2.4 x 0.87 inches and a weight of only 0.317 ounces, the kit is easy to store and handle during installation. The precision‑machined surfaces guarantee a smooth rotation of the water pump shaft, reducing wear and extending the service life of the pump assembly. This product has earned a solid reputation among marine technicians, reflected in a 4.2‑star rating from over 60 verified customer reviews.
![[Product front view showing all components]](https://www.youthgo.store/wp-content/uploads/2026/06/d632f1a11da54f0fb181b9fe3c81ff0f.jpg)
Usage
Designed for both 2‑stroke and 4‑stroke Yamaha outboard engines, the kit is suitable for a variety of marine applications, from recreational boating to professional fishing vessels. Whether you are performing routine maintenance or addressing a specific water pump issue, the collar and spacer provide a straightforward replacement solution. The kit fits models such as the Yamaha 115, 130, 150, 175, 200, 225, and 250 series, covering a broad spectrum of popular outboard configurations. Installation can be completed in a standard workshop environment with basic hand tools, making it an ideal choice for DIY enthusiasts and professional service centers alike. By restoring proper water flow and pump alignment, the kit helps prevent overheating, improves engine efficiency, and safeguards the longevity of your outboard motor.
Why Choose Us
Our commitment to quality begins with the selection of premium materials. The stainless steel used in the collar is sourced from reputable suppliers and undergoes rigorous corrosion testing to ensure durability in saltwater environments. The accompanying plastic spacer is formulated to resist cracking and deformation under thermal cycling, providing consistent performance even after repeated engine start‑ups. Each unit undergoes a strict quality control process, including dimensional verification and surface finish inspection, to guarantee a flawless fit. In addition, we stand behind our product with responsive customer support and a clear warranty policy, giving you confidence in your purchase. Our extensive experience in marine components allows us to anticipate the needs of boat owners and deliver solutions that exceed standard expectations.
Key Features
- Premium stainless steel collar delivers superior corrosion resistance for long‑term marine use.
- Engineered plastic spacer provides a lightweight yet durable solution that resists cracking.
- Exact OEM fit replaces part numbers 61A‑45527‑00‑00 and 61A‑45538‑00‑00 without modifications.
- Improves water pump alignment, reducing wear and enhancing cooling efficiency.
- Backed by dedicated after‑sales support and a clear warranty for peace of mind.
FAQ
What Yamaha models are compatible with this kit?
The kit fits Yamaha outboard engines ranging from 115 HP to 300 HP, including both 2‑stroke and 4‑stroke models such as the 115, 130, 150, 175, 200, 225, and 250 series.
Do I need special tools to install the collar and spacer?
No special tools are required. Standard hand tools commonly found in a marine workshop, such as a socket set and torque wrench, are sufficient for a proper installation.
Can this kit be used as a replacement for the original OEM parts?
Yes. The collar replaces OEM part number 61A‑45527‑00‑00 and the spacer replaces OEM part number 61A‑45538‑00‑00, providing a direct, drop‑in replacement.
Is the product covered by a warranty?
All units are covered by a manufacturer warranty that protects against material defects and workmanship issues. Please contact our support team for specific warranty details.
How does this kit improve engine performance?
By ensuring proper alignment of the water pump shaft, the kit promotes efficient coolant flow, reduces the risk of overheating, and minimizes wear on pump bearings, which together help maintain optimal engine performance.




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