SKU: 36000098909

Water Pump Impeller Kit – Fits Yamaha 25-30 HP (Replaces 61N-W0078-10-00, 61N-W0078-11-00)

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Description

Water Pump Impeller Kit – Fits Yamaha 25-30 HP (Replaces 61N-W0078-10-00, 61N-W0078-11-00)Water Pump Impeller Kit Fits Yamaha 25 30 HP (Replaces 61N W0078 10 00, 61N W0078 11 00) This water pump impeller repair kit is designed for a wide range of Yamaha 2 stroke and 4 stroke outboard motors from 25 to 30 HP. It fits various 2 stroke models including the 25B, 25X, 30H, and 30G series (20002018), and 4 stroke models F25, F25A, and F25B (19982019). Please note that it does not fit F25C models. This kit serves as a direct replacement for

Water Pump Impeller Kit – Fits Yamaha 25-30 HP (Replaces 61N-W0078-10-00, 61N-W0078-11-00)

This water pump impeller repair kit is designed for a wide range of Yamaha 2-stroke and 4-stroke outboard motors from 25 to 30 HP. It fits various 2-stroke models including the 25B, 25X, 30H, and 30G series (2000–2018), and 4-stroke models F25, F25A, and F25B (1998–2019). Please note that it does not fit F25C models.

This kit serves as a direct replacement for multiple Yamaha and aftermarket part numbers, ensuring a precise fit and restoring the performance of your engine's cooling system. It contains all necessary components for a standard lower unit service.

  • Complete Kit: Includes a new impeller, housing, wear plate, seals, and hardware.
  • Durable Materials: Features a neoprene impeller, PA66 nylon housing, and a 316 stainless steel cup for longevity.
  • Quality Manufacturing: Produced in an ISO9002 certified facility for reliable performance.

Part Number Cross-Reference

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

Brand Part Number
Yamaha 61N-W0078-10-00
Yamaha 61N-W0078-11-00
Yamaha 61N-W0078-13-00
Yamaha 61N-W0078-14-00
Yamaha 69P-W0078-00
Yamaha 69P-W0078-01
Yamaha 69P-W0078-02
Sierra 18-3432
AM AM61N-W0078-11

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.

Yamaha 2-Stroke Models

Brand Model Rated HP Stroke Years OEM Part No. Notes
Yamaha 25B (25BMHL) 25 2-Stroke 2001-2018 61N-W0078-10-00
Yamaha 25B (25BMHS) 25 2-Stroke 2001-2007 61N-W0078-10-00
Yamaha 25X (25XMHS) 25 2-Stroke 2001-2018 61N-W0078-10-00
Yamaha 30H (30HMHL) 30 2-Stroke 2002-2018 61N-W0078-10-00
Yamaha 30H (30HMHS) 30 2-Stroke 2001-2018 61N-W0078-10-00
Yamaha 30H (30HWHL) 30 2-Stroke 2016-2018 61N-W0078-10-00
Yamaha 30H (30HWL) 30 2-Stroke 2002-2018 61N-W0078-10-00
Yamaha 30G (30GMH) 30 2-Stroke 2000-2001 61N-W0078-10-00
Yamaha C30 (C30ELRR) 30 2-Stroke 1993 61N-W0078-10-00
Yamaha C30 (C30ELRS) 30 2-Stroke 1994 61N-W0078-10-00
Yamaha C30 (C30MLHS) 30 2-Stroke 1994 61N-W0078-10-00
Yamaha C30 (C30ELRT) 30 2-Stroke 1995 61N-W0078-10-00
Yamaha C30 30 2-Stroke 1996-1997 61N-W0078-10-00

Yamaha 4-Stroke Models

Brand Model Rated HP Stroke Years OEM Part No. Notes
Yamaha F25 25 4-Stroke 1998-2005 61N-W0078-11-00
Yamaha F25A 25 4-Stroke 2009-2019 61N-W0078-11-00
Yamaha F25B 25 4-Stroke 2012-2018 61N-W0078-11-00
Yamaha F25D (F25DEHTL) 25 4-Stroke 2009-2017 61N-W0078-11-00
Yamaha F25D (F25DETL) 25 4-Stroke 2009-2017 61N-W0078-11-00
Yamaha F25D (F25DMHL) 25 4-Stroke 2009-2017 61N-W0078-11-00

Technical Specifications

Specification Value
Product Type Water Pump Impeller Repair Kit
Installation Standard Lower Unit Service
Housing Material Nylon PA66 Plastic (Water Pump Housing), Stainless Steel 316 (Cup and Wear Plate)
Impeller Material Neoprene
Other Technical Attributes ISO9002 certified manufacturing

Package Contents

  • 1 x Impeller (63V-44352-01-00)
  • 1 x Cartridge Insert (63V-44322-00-00)
  • 1 x Cartridge Outer Plate (68T-44323-00-00)
  • 1 x Water Seal Damper 3 (6L2-44367-00-00)
  • 1 x Woodruff Key (664-44338-00-00)
  • 1 x O-Ring (93210-49046-00)
  • 2 x Plates (63V-44328-01-00)
  • 2 x Dowel Pins (93604-10M03-00)
  • 4 x Bolts (97095-08045-00)

Explosion Diagram

Installation Guide

  1. Disconnect the battery and remove the engine cover for safety.
  2. Place the outboard in neutral and remove the bolts securing the lower unit (gearcase) to the upper casing.
  3. Carefully lower and separate the gearcase from the drive shaft housing.
  4. Unscrew the bolts on the water pump housing and slide it up the driveshaft to expose the impeller.
  5. Remove the old impeller, woodruff key, wear plate, gaskets, and seals. Note their orientation.
  6. Thoroughly clean all contact surfaces, removing any old gasket material or corrosion.
  7. Install the new components from the kit in the reverse order of removal, starting with the wear plate and key.
  8. Lightly grease the new impeller and slide it onto the driveshaft, turning clockwise to seat the vanes correctly.
  9. Reinstall the water pump housing, ensuring seals are properly seated, and tighten bolts to the specified torque.
  10. Reattach the lower unit to the upper casing and secure it with the mounting bolts.
  11. Reconnect the battery and test the engine in a suitable water source, confirming a strong tell-tale stream.

Troubleshooting & FAQ

Q: How do I confirm this kit will fit my specific engine?

A: The best way is to check the part number on your existing water pump housing or in your engine's service manual. Cross-reference this number with the list provided in our "Part Number Cross-Reference" table. Additionally, use our "Compatible Engine Models" table to find your model and year.

Q: What are the common signs of a failing water pump impeller?

A: The most common indicators include engine overheating, a weak or non-existent water stream from the "tell-tale" outlet, and in some cases, a slight burning rubber smell. Reduced engine performance at high RPMs can also be a symptom.

Q: How often should I replace my water pump impeller?

A: For preventative maintenance, it is recommended to replace your impeller every 1-2 years or every 100-200 hours of use, whichever comes first. This interval can vary based on whether you operate in freshwater or saltwater and the amount of debris in the water.

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.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 36000098909

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