Water Pump Repair Kit for Yamaha 60–90 HP 2-Stroke Outboards – Replaces 692-W0078-02-00
Water Pump Repair Kit for Yamaha 60–90 HP 2-Stroke Outboards – Replaces 692-W0078-02-00 is backordered and will ship as soon as it is back in stock.
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Water Pump Repair Kit for Yamaha 60–90 HP 2-Stroke Outboards – Repl...
Water Pump Repair Kit for Yamaha 60–90 HP 2-Stroke Outboards – Replaces 692-W0078-02-00 is backordered and will ship as soon as it is back in stock.
Product Details
This Water Pump Repair Kit is designed to service the water pump on selected Yamaha 2-stroke outboard motors from 60 HP through 90 HP. Replacing worn water-pump components helps restore proper cooling-water circulation and supports reliable engine operation.
The kit is listed as a replacement for Yamaha part number 692-W0078-02-00 and its earlier references 692-W0078-00-00, 692-W0078-01-00, and 692-W0078-A0-00. It is also commonly cross-referenced with Sierra numbers 18-3370 and 18-3371; verify the exact component configuration before ordering because aftermarket references may represent different package contents.
- Water pump repair kit for selected Yamaha 2-stroke outboards.
- Designed as a replacement service kit for the listed water-pump application.
- Includes replacement wear and sealing components described in the package list below.
- Reuse the existing water-pump housing unless inspection shows that it also requires replacement.
Part Number Matrix
Use the following references to compare the listed OEM and aftermarket applications. Always confirm the complete engine model code and the parts supplied in the package.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 692-W0078-00-00 | Earlier reference |
| Yamaha | 692-W0078-01-00 | Earlier reference |
| Yamaha | 692-W0078-A0-00 | Earlier reference |
| Yamaha | 692-W0078-02-00 | Replacement reference |
| Sierra | 18-3370 | Aftermarket cross-reference |
| Sierra | 18-3371 | Reference commonly listed with housing; verify package contents |
Engine & Model Compatibility
The model and year combinations below are catalog-listed occurrences for Yamaha 2-stroke water pump repair kit part number 692-W0078-02-00. Confirm the full model code, shaft configuration, and serial-number range against your engine or service manual before ordering.
| Brand | Model | Rated HP | Stroke | Year | OEM Part No. |
|---|---|---|---|---|---|
| Yamaha | C80TLRV | 80 | 2-Stroke | 1997 | 692-W0078-02-00 |
| Yamaha | C90TLRV | 90 | 2-Stroke | 1997 | 692-W0078-02-00 |
| Yamaha | P75TLHV | 75 | 2-Stroke | 1997 | 692-W0078-02-00 |
| Yamaha | C75TLRW | 75 | 2-Stroke | 1998 | 692-W0078-02-00 |
| Yamaha | C90TLRW | 90 | 2-Stroke | 1998 | 692-W0078-02-00 |
| Yamaha | P75TLHW | 75 | 2-Stroke | 1998 | 692-W0078-02-00 |
| Yamaha | C75TLRX | 75 | 2-Stroke | 1999 | 692-W0078-02-00 |
| Yamaha | C90TLRX | 90 | 2-Stroke | 1999 | 692-W0078-02-00 |
| Yamaha | P75TLHX | 75 | 2-Stroke | 1999 | 692-W0078-02-00 |
| Yamaha | 90TJRY | 90 | 2-Stroke | 2000 | 692-W0078-02-00 |
| Yamaha | 90TLRY | 90 | 2-Stroke | 2000 | 692-W0078-02-00 |
| Yamaha | C90TLRY | 90 | 2-Stroke | 2000 | 692-W0078-02-00 |
| Yamaha | E75MLHY | 75 | 2-Stroke | 2000 | 692-W0078-02-00 |
| Yamaha | 90TJRZ | 90 | 2-Stroke | 2001 | 692-W0078-02-00 |
| Yamaha | 90TLRZ | 90 | 2-Stroke | 2001 | 692-W0078-02-00 |
| Yamaha | C90TLRZ | 90 | 2-Stroke | 2001 | 692-W0078-02-00 |
| Yamaha | 60TLRC | 60 | 2-Stroke | 2004 | 692-W0078-02-00 |
| Yamaha | 60TLRNC | 60 | 2-Stroke | 2004 | 692-W0078-02-00 |
| Yamaha | 70TLRC | 70 | 2-Stroke | 2004 | 692-W0078-02-00 |
| Yamaha | 70TLRNC | 70 | 2-Stroke | 2004 | 692-W0078-02-00 |
| Yamaha | 90TLRC | 90 | 2-Stroke | 2004 | 692-W0078-02-00 |
| Yamaha | 60TLRD | 60 | 2-Stroke | 2005 | 692-W0078-02-00 |
| Yamaha | 70TLRD | 70 | 2-Stroke | 2005 | 692-W0078-02-00 |
| Yamaha | 70TLR | 70 | 2-Stroke | 2007–2008 | 692-W0078-02-00 |
| Yamaha | 90TLR | 90 | 2-Stroke | 2008 | 692-W0078-02-00 |
Technical Specs
- Product Type
- Water pump repair kit
- Application
- Selected Yamaha 2-stroke outboard water pumps
- Rated Horsepower Range
- 60–90 HP, subject to the exact model and year
- Installation
- Direct replacement service installation
- Fuel Type
- Gasoline
- Housing
- Existing water-pump housing is reused unless damaged or excessively worn
- Construction
- Replacement impeller and water-pump wear/sealing components
- Warranty
- Refer to the current store warranty and returns policy
What's in the Box
Package contents are intended to service the water pump. Verify the received component configuration against the product photos and your original parts before installation.
- 1 x Impeller
- 1 x Pump Cup
- 1 x Wear Plate
- 1 x Gasket
- 1 x O-ring
- 1 x Woodruff Key
- 4 x Bolts with Washers
Installation Notes
- Disconnect the battery and remove the engine cover.
- Place the outboard securely and drain the gear oil as required by the service procedure.
- Remove the bolts securing the lower unit to the midsection and carefully lower the unit.
- Remove the water-pump housing to access the impeller and related service parts.
- Inspect the housing, shaft, keyway, wear plate, and sealing surfaces for wear, cracks, corrosion, or scoring.
- Remove the old impeller, pump cup, wear plate, key, gasket, and O-ring as applicable.
- Install the new wear plate, pump cup, gasket, O-ring, and Woodruff key in the correct positions.
- Lightly lubricate the new impeller with a suitable lubricant and install it while rotating the impeller in the direction of engine rotation.
- Reinstall the water-pump housing and tighten fasteners to the manufacturer's specification.
- Reattach the lower unit, refill the gear case with the correct lubricant, reconnect the battery, and test for proper cooling-water flow.
Troubleshooting & FAQ
How do I confirm fitment?
Match the complete model code, horsepower, stroke, year, and any applicable serial-number range with the compatibility information in your service manual. You can also compare the original water-pump repair-kit number with 692-W0078-02-00 and its listed earlier references.
What are the signs of a failing water-pump impeller?
Common symptoms include a weak or missing tell-tale stream, overheating warnings, steam from the exhaust, or reduced engine performance. Stop operation and inspect the cooling system if these symptoms occur.
How often should the impeller be replaced?
Replacement intervals depend on operating hours, storage conditions, and water quality. Inspect the impeller during scheduled maintenance and replace it sooner if the vanes are cracked, hardened, permanently bent, or damaged by sand or corrosion.
Is the water-pump housing included?
This listing is a repair kit and is intended to reuse the existing water-pump housing. Inspect the housing before installation; replace it separately if it is cracked, warped, deeply scored, or heavily corroded. Some aftermarket cross-references may describe a different package configuration, so verify the actual contents of the selected part.
Do I need a special tool to hold the driveshaft?
Tool requirements vary by engine and service procedure. Follow the Yamaha service manual for your exact model. Do not rely on the gear selector to hold the shaft unless the manufacturer's procedure specifically permits it.
Is this an OEM part?
No. This is an aftermarket replacement repair kit designed for applications associated with the listed Yamaha part references. Yamaha and Sierra numbers are provided for identification and cross-reference purposes.
What are the shipping and warranty terms?
Shipping availability, delivery estimates, warranty coverage, and return conditions are determined by the current store policies shown at checkout and on the applicable policy pages.
Safety & Important Information
- Verify the complete engine model and year before ordering; horsepower alone is not sufficient to confirm fitment.
- Compare the replacement parts with the original components before installation.
- Do not operate an outboard with an overheating alarm or inadequate tell-tale water flow.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended if you are unfamiliar with lower-unit or water-pump service.
About Sea Sierra
- Marine Replacement Parts — Practical aftermarket components for common service and repair applications.
- Application-Focused Listings — Compatibility information is organized by brand, model, horsepower, stroke, and year where available.
- Support for Maintenance — Use the product references and installation information to compare the kit with your existing water-pump parts.
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