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

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

This water pump repair kit fits 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, ensuring your engine's cooclass system operates at peak efficiency.

This kit is a direct replacement for Yamaha part numbers 692-W0078-02-00, 692-W0078-A0-00, 692-W0078-00-00, and 692-W0078-01-00, as well as Sierra part number 18-3370.

• Includes all gaskets, seals, and hardware required for a full water pump rebuild.
• Engineered for a direct OEM replacement fit, simplifying installation.
• Features a durable 6-fin neoprene rubber impeller for robust performance and longevity.

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)

Installation Guide

1. Disconnect the battery and shift linkage before starting.
2. Remove the lower unit mounting bolts and carefully lower the unit from the outboard.
3. Unbolt the water pump housing to access the impeller and other components.
4. Note the orientation of the old parts before removing the impeller, wear plate, and gaskets.
5. Thoroughly clean all mating surfaces, removing any old gasket material or corrosion.
6. Install the new gaskets, wear plate, and woodruff key onto the driveshaft.
7. Slide the new impeller onto the driveshaft. Rotate the shaft clockwise while pushing down to correctly bend the fins.
8. Install the new housing and tighten the bolts to the manufacturer's torque specifications.
9. Reinstall the lower unit, carefully aligning the driveshaft, shift shaft, and water tube.
10. Reconnect the shift linkage and battery connections.
11. Start the engine using a flush-pro or in the water to verify a strong, steady stream from the tell-tale port.

Troubleshooting & FAQ

How can I be sure this kit fits my specific Yamaha outboard?
This kit is designed for Yamaha 2-Stroke 60–90 HP outboards from 1997–2010. To confirm fitment, please check your engine model against the detailed compatibility list on this page. For additional verification, you can use our Yamaha Serial Number Guide to identify your engine's precise model and year.

How often should the water pump impeller be replaced?
For optimal engine cooling and to prevent overheating, we recommend inspecting the impeller annually and replacing it every 2-3 years or 200-300 hours of use, whichever comes first. Frequency should be increased if you operate in saltwater or sandy/silty conditions.

What are the signs of a failing water pump?
Common signs of a failing water pump include a weak or intermittent water stream from the engine's "tell-tale" port, the engine overheating at idle or low speeds, or an alarm from your engine's monitoring system. If you notice any of these symptoms, inspect your water pump immediately to prevent engine damage.

What is the most important part of the installation process?
Ensuring the new impeller fins are oriented correctly (bent in a clockwise direction) as you install the housing is critical. Bending them backward can cause premature failure and poor performance. Also, ensure all gasket surfaces are perfectly clean before installing the new components to guarantee a proper seal.

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.