SKU: 77581566516

Water Pump Repair Kit – Fits Yamaha FT8/FT9.9 4-Stroke Outboards (Replaces 69G-W0078-00-00)

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Description

Water Pump Repair Kit – Fits Yamaha FT8/FT9.9 4-Stroke Outboards (Replaces 69G-W0078-00-00)Water Pump Repair Kit Fits Yamaha FT8 FT9. 9 4 Stroke Outboards (Replaces 69G W0078 00 00) This water pump repair kit is designed for Yamaha 8 9. 9 HP 4 stroke high thrust (FT) outboard engines manufactured from 2001 to the present. It provides a complete solution for servicing the water pump assembly to maintain engine cooling performance. This kit is a direct replacement for Yamaha OEM part numbers: 69G W0078 00 00 and 69G W0078 02 00. Includes all

Water Pump Repair Kit – Fits Yamaha FT8/FT9.9 4-Stroke Outboards (Replaces 69G-W0078-00-00)

This water pump repair kit is designed for Yamaha 8-9.9 HP 4-stroke high thrust (FT) outboard engines manufactured from 2001 to the present. It provides a complete solution for servicing the water pump assembly to maintain engine cooling performance.

This kit is a direct replacement for Yamaha OEM part numbers: 69G-W0078-00-00 and 69G-W0078-02-00.

  • Includes all necessary components for a full service: impeller, gaskets, plate, and hardware.
  • Engineered for direct replacement of the original OEM water pump components.
  • Restores cooling system efficiency to prevent engine overheating.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers for this water pump repair kit.

Brand Part Number Superseded By
Yamaha 69G-W0078-00-00 69G-W0078-02-00
Yamaha 69G-W0078-02-00

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.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Yamaha FT8D 8 4-Stroke 2001-2014 69G-W0078-00-00 Superseded by 69G-W0078-02-00
Yamaha FT8G 8 4-Stroke 2015+ 69G-W0078-02-00 Current part number
Yamaha FT9.9G 9.9 4-Stroke 2008-2012 69G-W0078-00-00 Superseded by 69G-W0078-02-00
Yamaha T8 8 4-Stroke 2004+ 69G-W0078-00-00 Superseded by 69G-W0078-02-00
Yamaha T9.9 9.9 4-Stroke 2007+ 69G-W0078-00-00 Applies to models from April 2007

Technical Specifications

Specification Value
Product Type Water Pump Repair Kit
Installation Direct OEM Replacement

Package Contents

This kit includes the following components:

  • 1 x Cartridge Insert (63V-44322-00-00)
  • 1 x Water Seal Damper 2 (68T-44366-00-00)
  • 1 x Impeller (63V-44352-01-00)
  • 1 x Woodruff Key (664-44338-00-00)
  • 1 x O-Ring (93210-44704-00 / 93210-44398)
  • 1 x Cartridge Outer Plate (68T-44323-00-00)
  • 4 x Bolt (97095-08045-00 / 97080-08045)

Installation Guide

  1. Safety First: Disconnect the engine's battery and shift the outboard into neutral.
  2. Lower Unit Removal: Remove the bolts securing the lower unit (gearcase) to the engine's midsection and carefully lower it.
  3. Access the Pump: Unscrew the bolts on the water pump housing and lift the housing off.
  4. Component Replacement: Remove the old impeller, gaskets, wear plate, and seals. Note their orientation before removal.
  5. Clean Surfaces: Thoroughly clean the mating surfaces of the housing and gearcase, removing any old gasket material or debris.
  6. Install New Parts: Install the new components from the kit in reverse order. Lightly grease the new impeller and insert it while turning the driveshaft clockwise to bend the vanes correctly.
  7. Reassemble: Reinstall the water pump housing, ensuring the gaskets are aligned. Tighten the bolts to the manufacturer's specified torque.
  8. Final Steps: Reattach the lower unit to the engine. Reconnect the battery and test run the engine in water, confirming a steady stream from the tell-tale port.

Troubleshooting & FAQ

Q: How do I confirm this fits my engine?

A: First, check the Compatible Engine Models table in this listing. Verify your engine's brand, model, horsepower, and year range. This kit is a direct replacement for OEM part numbers 69G-W0078-00-00 and 69G-W0078-02-00. Comparing images to your existing part can also help confirm fitment.

Q: How often should I replace the water pump kit?

A: For optimal performance and engine safety, it is recommended to inspect the impeller annually and replace the entire water pump repair kit every 1-2 years or 100-200 hours of use. This interval may be shorter if you frequently operate in sandy, silty, or saltwater environments.

Q: What are the symptoms of a failing water pump?

A: The most common signs include the engine overheating alarm activating, a weak or non-existent water stream from the "tell-tale" outlet port, or steam coming from the exhaust. Upon inspection, a worn impeller may appear cracked, brittle, or have broken vanes.

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: 77581566516

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4.3 ★★★★★
Based on 13 reviews
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Donna
Grantham, US
★★★★★ 5
These worked for me!
Color: Original Grey
They worked great. I bought these for cracked sore heels. It took 2-3 weeks but my heels no longer hurt and the cracks have closed and look more like an indention than a crack now. They feel so much better, but I'll probably wear them another week just to be sure they stay healed. They look and feel like regular socks from the outside but only cover the heel with the toe open. Not think but not thick, again like regular socks. They would probably be slippery on a smooth surface the same as socks. The inside feels like rubber or something smooth at the heel. I have washed them once each pair and accidentally dried one pair in the dryer. They still seem to feel the same so I think they're fine. They're pretty inexpensive and had different colors and sizes.
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Reviewed in the United States on February 10, 2026
M
Verified Purchase
Mimi
Natrona Heights, US
★★★★★ 4
Truly Helped My Cracked Heels
Color: Original Grey
I didn't include a photo cause they look exactly like their advertisement photo. I so liked the silicon-type heel lining as it kept the heel-repair cream on my heel and did not get soaked up by the sock. But, it is so, so slippery when walking around in them! Take care to be mindful when you set each foot down as the lotion can slide your heel across the sock quite a bit. If these socks were for an elderly person, I would have them only sit while using the sock - no walking around for fear of falling. I have larger ankles and found that having both the top and the bottom hems/elastic, etc. the same size to be quite troublesome and was not a nice feeling or fit on my upper hem that hit my ankle. Don't get me wrong, I am so glad that I got them and I continue to use them and they are helping my horribly-cracked heels greatly, but I find that I have to keep moving the top hem up and down so that it doesn't stay in one position as it cuts in to my ankle. My feedback and advice might be to please make the upper hem somewhat larger than the one that is on the bottom and goes over my actual foot. They really should not be the same circumference...or else make different sizes - S, M, L, etc. That's really my only complaint or "con" to ordering these. I think they are a great concept and I like the fact that I can throw them in the washer and dryer.
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Reviewed in the United States on June 8, 2024
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Verified Purchase
SC6218
Carnegie, US
★★★★★ 5
Actually works, and really well
Color: Original Grey
I bought these because I got them on a great deal and was quite skeptical, but they actually worked exactly as advertised and I saw a huge difference after the first night! I understand why they don’t cover the whole foot like a regular sock (it would be stifling), but it would be incredible if they made a pair that go forward enough to cover the ball of the foot. One pair lasted about 3 weeks before the moisturizer wore out (I did notice a dropoff after washing, so for best results put them on when you’re clean and just for overnight, so you can avoid washing). Apologies for no photos- no one wants to see the before photos. These work so well I’ve just come back to order more even though I’m now paying full price. Definitely, definitely recommend.
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Reviewed in the United States on May 28, 2026
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Verified Purchase
Liana
Boise, US
★★★★★ 5
Comfortably and works
Color: Original Grey
❤️ I used these with magnesium lotion on my heals for 3 nights, soaked my feet every morning and cracked heals are gone!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
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Verified Purchase
T. U.
Bozeman, US
★★★★★ 5
A game changer for deep heel cracks and psoriasis!
Color: Original Grey, Color: Original Grey
If you have deep cracks or psoriasis on your heels, get these they are a total game changer! They hold in Vaseline and topical meds perfectly while I sleep, providing much needed relief without getting all over my sheets. My heels are healing faster and my callouses are softer and don’t split open because the moisture is trapped against the skin all night with the built in gel cushion lining instead of rubbing off. So much hydration. The fact that it is a 2 pack is perfect because while one pair is being washed and drying, you still have a set to wear. Very soft, stretchy, breathable, and easy to sleep in. I highly recommend them!
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Reviewed in the United States on January 31, 2026

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