Water Pump Drive Shaft Collar & Spacer Kit – Fits Yamaha Outboard 115-300 HP (Replaces 61A-45527-00-00, 61A-45538-00-00)

Water Pump Drive Shaft Collar & Spacer Kit – Fits Yamaha Outboard 115-300 HP

This water pump drive shaft collar and spacer kit fits a wide range of Yamaha 2-stroke and 4-stroke outboard engines from 115 HP to 300 HP, manufactured between 1990 and the current year. It is also compatible with select Mercury 225 EFI 4-Stroke outboards.

This kit serves as a direct replacement for Yamaha OEM parts 61A-45527-00-00 (collar) and 61A-45538-00-00 (spacer), ensuring proper fit and function for lower unit maintenance and repair.

• Durable Materials: Includes a corrosion-resistant stainless steel collar and a wear-resistant nylon spacer.
• Complete Assembly: The kit contains the collar, spacer, and all necessary washers for a full replacement.
• Installation Location: Designed for installation on the driveshaft within the outboard's lower unit.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Technical Specifications

Package Contents

• 1 x Drive Shaft Collar (Replaces OEM 61A-45527-00-00)
• 1 x Drive Shaft Spacer (Replaces OEM 61A-45538-00-00)
• 2 x Drive Shaft Flat Washers (Replaces OEM 90201-22M01-00)
• 1 x Drive Shaft Wave Washer (Replaces OEM 90206-22M19-00)

Installation Guide

1. Safety First: Disconnect the battery and ensure the engine is securely tilted and supported before starting work.
2. Drain Lower Unit Oil: Place a drain pan under the lower unit and remove the upper and lower drain screws to drain the gearcase oil completely.
3. Remove Lower Unit: Loosen and remove the bolts securing the lower unit to the engine's midsection. Carefully separate the lower unit.
4. Access the Driveshaft: Remove the water pump housing to expose the upper section of the driveshaft.
5. Replace Components: Slide the old washers, spacer, and collar off the driveshaft. Clean the shaft surface thoroughly.
6. Install New Parts: Install the new drive shaft collar, spacer, and washers in the correct sequence according to your service manual's diagram.
7. Reassemble: Reinstall the water pump assembly with a new impeller and fresh gaskets.
8. Reattach Lower Unit: Carefully guide the lower unit back into place, ensuring the driveshaft, shift shaft, and water tube are properly aligned. Securely tighten the mounting bolts.
9. Refill Gearcase Oil: Fill the lower unit with the manufacturer-recommended marine gear lubricant until it flows from the upper vent hole. Reinstall both screws.
10. Final Checks: Reconnect the battery and test the engine's operation in the water, checking for proper shifting and water pump function.

Troubleshooting & FAQ

Q: How can I be sure this kit will fit my specific Yamaha model?

A: This kit fits a wide range of Yamaha engines from 115-300 HP (1990-current). The best way to confirm is to check the "Compatible Engine Models" table on this page. You can also use our Yamaha Serial Number Guide to identify your engine and cross-reference the OEM part numbers (61A-45527-00-00, 61A-45538-00-00) with your service manual.

Q: What are the signs that my original drive shaft collar and spacer need replacement?

A: Common signs of wear or failure include excessive vibration from the lower unit, unusual noises during operation, or visible damage (cracks, corrosion) on the old parts during a water pump service. Replacing these components is good preventative maintenance whenever you are servicing the water pump assembly.

Q: Is the material the same as the original Yamaha parts?

A: This kit is designed to meet or exceed OEM specifications. It features a durable stainless steel collar for maximum corrosion resistance and a high-quality nylon spacer, ensuring long-lasting performance in marine environments.

Q: OEM vs. Aftermarket?

A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?

A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?

A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.