Water Pump Repair Kit – Fits Yamaha 60-90HP 2-Stroke Outboards (Replaces 692-W0078-02-00)

Water Pump Repair Kit – Fits Yamaha 60-90HP 2-Stroke Outboards (Replaces 692-W0078-02-00)

This water pump repair kit is designed for Yamaha 2-Stroke 60–90 HP outboards (1997–2010), including models C75, E75, P75, C80, C85, CV85, 90, B90, and C90. It provides all the necessary components for a complete and reliable water pump service.

This kit is a direct replacement for Yamaha part number 692-W0078-02-00 and Sierra aftermarket part number 18-3370.

• Engineered as a direct OEM-quality replacement for easy installation.
• Features a durable, high-performance neoprene impeller for optimal cooling efficiency.
• A comprehensive kit including all essential gaskets, bolts, and O-rings for a full overhaul.

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.

Technical Specifications

Package Contents

• 1 × INSERT, CARTRIDGE (68844-32200)
• 1 × IMPELLER (68844-35203)
• 1 × GASKET, WATER PUMP (68844-315A0)
• 1 × OUTER PLATE, CARTRIDGE (68844-32300)
• 1 × GASKET, CARTRIDGE (68844-324A0)
• 1 × GASKET, WATER PUMP (68844-316A0)
• 1 × O-RING (93210-46044)
• 2 × BOLT, WITH WASHER (90119-08M13)
• 2 × BOLT, WITH WASHER (90119-08M16)
• 1 × KEY, WOODRUFF (90280-04M04)

Explosion Diagram

Installation Guide

1. Disconnect the negative battery cable and remove the propeller.
2. Unbolt and carefully lower the gearcase (lower unit) from the outboard's driveshaft housing.
3. Remove the water pump housing bolts and lift the housing to access the old impeller and gaskets.
4. Thoroughly clean all mating surfaces, removing any old gasket material or corrosion.
5. Install the new Woodruff key, lower gasket, and wear plate onto the driveshaft.
6. Slide the new impeller onto the driveshaft, turning it clockwise to align the fins correctly inside the housing.
7. Install the new cartridge insert, gaskets, and outer plate, ensuring proper alignment.
8. Secure the assembly with the provided bolts and tighten them to the manufacturer's specified torque.
9. Reinstall the lower unit onto the outboard, ensuring the driveshaft, shift shaft, and water tube are correctly aligned.
10. Reconnect the battery, start the engine in a water-filled test tank or with a water flusher, and verify a strong water stream from the tell-tale outlet.

Troubleshooting & FAQ

How can I be sure this kit fits my specific Yamaha engine?

First, check the 'Compatible Engine Models' table on this page and match your engine's model, horsepower, stroke, and year range. For additional verification, you can use the linked Yamaha serial number guide to precisely identify your engine before ordering.

What are the common signs that my water pump is failing?

The most common signs include the engine overheating, a weak or inconsistent stream of water from the "tell-tale" outlet, or an illuminated temperature warning light or alarm on your console. Any of these symptoms warrant an immediate inspection of the water pump system.

How often should I replace the water pump kit?

For preventative maintenance, we recommend inspecting the impeller annually and replacing the entire water pump kit every 2-3 years or every 200-300 hours of operation. This interval can vary depending on usage conditions (e.g., saltwater vs. freshwater, high-hour use).

OEM vs. Aftermarket?

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.

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

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.

What is your warranty and return policy?

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.