SKU: 3711715556

Water Pump Repair Kit – Fits Yamaha 150-300 HP Outboards (Replaces 61A-W0078 Series)

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Description

Water Pump Repair Kit – Fits Yamaha 150-300 HP Outboards (Replaces 61A-W0078 Series)Water Pump Repair Kit Fits Yamaha 150 300 HP Outboards (Replaces 61A W0078 Series) This water pump repair kit is designed for a wide range of Yamaha V6 outboards, covering both 2 stroke and 4 stroke models from 150 to 300 HP. It provides a reliable solution for maintaining your engines cooling system to prevent overheating and ensure optimal performance. This assembly is a direct replacement for Yamaha part numbers 61A W0078 A1 00, 61A W0078 A2 00,

Water Pump Repair Kit – Fits Yamaha 150-300 HP Outboards (Replaces 61A-W0078 Series)

This water pump repair kit is designed for a wide range of Yamaha V6 outboards, covering both 2-stroke and 4-stroke models from 150 to 300 HP. It provides a reliable solution for maintaining your engine’s cooling system to prevent overheating and ensure optimal performance.

This assembly is a direct replacement for Yamaha part numbers 61A-W0078-A1-00, 61A-W0078-A2-00, 61A-W0078-A3-00, and 61A-W0078-A4-00, as well as Sierra 18-3396 and 18-3395.

  • Complete Kit: Includes the impeller, housing, gaskets, O-rings, and all necessary hardware for a full replacement.
  • Broad Compatibility: Fits an extensive list of Yamaha V6 engines manufactured from 1991 to the present.
  • Direct-Fit Installation: Engineered to match OEM specifications for a straightforward installation without modifications.

Part Number Cross-Reference

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

Brand Part Number
Yamaha 61A-W0078-A1-00
Yamaha 61A-W0078-A2-00
Yamaha 61A-W0078-A3-00
Yamaha 61A-W0078-A4-00
Sierra 18-3396
Sierra 18-3395

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 P150 150 2-Stroke 1992-1996 61A-W0078-A1-00
Yamaha P175 175 2-Stroke 1994-1996 61A-W0078-A1-00
Yamaha P200 200 2-Stroke 1991-1996 61A-W0078-A1-00
Yamaha C150 150 2-Stroke 1996 61A-W0078-A1-00
Yamaha 150-225 150-225 2-Stroke 1996 61A-W0078-A1-00
Yamaha L150-L250 150-250 2-Stroke 1996 61A-W0078-A1-00
Yamaha S150-S250 150-250 2-Stroke 1996 61A-W0078-A1-00
Yamaha F150-F300 150-300 4-Stroke 61A-W0078-A3-00/A4-00 Modern V6 outboards
Yamaha VF200, VF225, VF250 200-250 4-Stroke 61A-W0078-A3-00/A4-00 VMAX SHO models

Technical Specifications

Specification Value
Product Type Water Pump Repair Kit
Installation Direct Replacement
Housing Material Composite/Plastic with Metal Components
Housing Color Black
Fitting Type Direct Fit
Other Technical Attributes Complete kit includes impeller, housing, gaskets, and all necessary components

Package Contents

  • 1 x Water Seal Damper (6E5-44365-00-00)
  • 1 x Water Pump Housing Cover (6E5-44312-00-00)
  • 1 x Water Pump Housing (61A-44311-01-00)
  • 1 x Drive Shaft Collar (61A-45527-00-00)
  • 1 x Spacer (61A-45538-00-00)
  • 1 x Wave Washer (90206-22M19-00)
  • 2 x Plate Washer (90201-22M01-00)
  • 1 x Impeller
  • 1 x Gasket Set
  • 1 x O-rings Set
  • 1 x Woodruff Key

Installation Guide

  1. Safety First: Disconnect the battery and ensure the engine is in a stable, secure position before beginning work.
  2. Access the Lower Unit: Drain the gearcase oil. Unbolt and carefully remove the lower unit (gearcase) from the outboard's midsection.
  3. Remove the Old Water Pump: Unscrew the bolts securing the water pump housing. Slide the housing and old impeller off the driveshaft.
  4. Clean and Inspect: Thoroughly clean the mounting surfaces, removing any old gasket material or sealant residue. Inspect the driveshaft for any wear or damage.
  5. Install New Components: Place the new Woodruff key and impeller onto the driveshaft. Slide the new housing, gaskets, and seals into place according to the manual's diagram.
  6. Reassemble: Torque the housing bolts to the manufacturer's specified value. Re-install the lower unit, ensuring the driveshaft and water tube align correctly. Refill the gearcase with fresh oil.

Troubleshooting & FAQ

How do I confirm this fits my engine?
First, check the "Compatible Engine Models" table on this page. For Yamaha owners, you can use the linked guides to find your serial number and review parts diagrams to ensure a perfect match.

How often should I replace my water pump impeller?
For preventative maintenance, it is recommended to inspect and/or replace the water pump impeller and wear parts every 300 operating hours or every 3 years, whichever comes first. This interval can be shorter if you operate in sandy or debris-heavy water.

What are the signs of a failing water pump?
Common symptoms include the engine overheating at idle or low speeds, a weak or non-existent "telltale" water stream, and, in severe cases, an engine overheat alarm.

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.
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: 3711715556

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Sean
Houston, US
★★★★★ 4
Fun, both heartwarming and heartbreaking
Format: Kindle
Only my second first person written selection, I am still getting used to that aspect, but unlike my first, I enjoyed that the story was told through both MCs. A great enemies to lovers, forced proximity, fated love etc, that resonated to me. There were some small twists that I could see coming, but also a few that I didn’t quite see until the characters were also seeing. Personally, I am more interested in the story than the spice, but with that said, it was well seasoned! I am kind of new to the spice world so I can’t say for sure how this would rate, but it definitely had some heat. I am very glad I happened across this author, and I do plan on also reading the next book….if nothing else, just to see for myself the “transformation” of the characters I’ve grown to love!
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Reviewed in the United States on May 23, 2024
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Havinne Akins
Alexandria, US
★★★★★ 5
😍😍 BEST DEBUT NOVEL EVER
Format: Paperback
I’m having trouble finding accurate words to describe the way this book made me feel, but I am going to do my best. To start off with basic elements, the character and world building are phenomenal. I feel a strong bond to not only the two main characters, Ara and Rogue, but to each and every character introduced throughout the book. The author did a stellar job of giving each of them unique personhood. All of the scenes are beautifully described. So much so that throughout the entirety of the book, I could see every scene: the towns, the castles, the meadows, the landscape. I have had difficulty with this and with distinguishing between outlying characters while reading in the past, but I did not have to think to remember details of world or character building because they flowed naturally within the story and were described well. I have read book series before that made me want to be a part of that world, but I actually felt like I got to step into Auryna and Ravaryn! The plot twists!! Although this is not a suspense novel, it still had me on a rollercoaster of emotions and on the edge of my seat from beginning to end. I haven’t cried actual tears over a book since I was in high school (and I’ve read a LOT). This book finally broke the floodgates in the final few chapters. Multiple times. And we love a good cliffhanger. It truly made me FEEL. THE SPICE is a solid 3.5/5. Some of the scenes had me flushed, some had me taking notes, some just had my jaw slack and my mouth hanging open. Bravo, JD Linton, bravo. The relationships: friendships, family, romantic, ALL of the relationships in this book have so much meaning. The author does a great job at making you feel the love, the anger, the peace, the frustrations, the safety, the familiarity, etc. between the characters. Ara and Rogue. I can not say enough and I also do not want to say too much. Just know that I feel like I know them both, to their core. I know what their childhood looks likes, their darkest moments, their biggest fears, their dreams and passions, what they want in life… The POV switches were seamless. I am so happy this author decided to let us see from both sets of eyes. I can not wait for book two after that cliffhanger. And there is SO much potential for at least one prequel, I can’t wait to see where this author goes! I hope this series continues and flourishes. Fingers crossed!
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Reviewed in the United States on December 5, 2022
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Tracy and Christina
Chelsea, US
★★★★★ 5
Amazing!
Format: Kindle, Format: Kindle
This book was phenomenal, I devoured it within a few days! For this being a debut novel, it is fantastic and I would’ve thought the author was a seasoned author. I have zero complaints about this book. Let me start by saying that the world building was phenomenal. I could picture everything in my head because of how detailed it was — that’s how good it was written. And I absolutely love the “captive/captor” trope so much, it’s become one of my favorite tropes, so I was pleasantly surprised to see that this book had that. I loved the banter between Rogue and Ara — they’re both snarky and witty, plus with the romantic tension, it made the dialogue that much better. Speaking of romantic tension, yes there is spice but not so much of it that it overrides the plot, which I loved. For me, this would probably be on the 3/5 level of spice. This book had a ton of plot twists and I thoroughly enjoyed it.
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Reviewed in the United States on November 13, 2024
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R Spires
Bozeman, US
★★★★★ 4
High on Tropes and Satisfaction
Format: Kindle
This is a great Romantasy book full of action, adventure, and everything you look for in this genre. I won’t lie: it does kinda feel like the author found every common trope from every successful book of this kind and threw them all into this novel. But if it ain’t broke, don’t fix it. Especially in romance, there’s a large audience who has specific expectations, and they want them every time. Nothing wrong with that and many times I’m one of them. I have no idea what defines a spoiler honestly, so spoiler alert!!!!!!! Tropes include: Only one bed at the inn/bar Dissatisfaction with life before hunk appears Lost royalty The chosen one Montage of dress up time followed by shocked hunk Forbidden romance between two from rival peoples Power that cannot be controlled, simply guided/asked Gathering intel at the inn/bar FMC who knows how to fight/use weapons well There’s probably more but no need to list them all. Good story and I would recommend!
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Reviewed in the United States on June 14, 2024
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evelynn kate
Carnegie, US
★★★★★ 5
AMAZING debut novel!!!
Format: Kindle
Plot ⭐️⭐️⭐️⭐️ Spice 🌶️🌶️.5 Romance 💘💘💘 Vibes ⭐️⭐️⭐️⭐️⭐️ Dual 1st person POV - Ara (26) & Rogue (39 - but looks mid-20s: they can live hundreds of years so this isn't that large of a gap as it could've been which I heavily appreciate lol) Tropes: enemies to lovers, fae/human wars (deep hatred for each other), shifters (dragons- MMC can only partial shift with wings), one horse, one bed, touch her and d!e, found family, abduction turned to freedom The Last Storm is the debut novel from JD Linton and let me tell you, you guys NEED to read this. The plot was engaging and the editing was was amazing (especially for a debut novel). Our FMC, Ara, is stuck in her gilded cage longing for a life outside of her small town. She uses her books to escape and live vicariously through the pages (honestly, relatable). After her father announces her betrothal to her childhood friend (to whom she has no romantic feelings for), Ara tumbles unknowingly into a desperate plot trying to stop the humans from slaughtering the Fae. As one can expect from an enemies to lovers / kidnapper/captive romance, Ara fights her attraction and lust towards our MMC, Rogue (the King of the Fae), for as long as she can. Upon seeing Ara for the first time, Rogue is instantly aware that she is his fated mate (not a spoiler). Since she is the General's only daughter, he plans to abduct her and use her as leverage to stop the brutality. During Ara's time in Rogue's captivity, their banter and chemistry continue to rise until they finally boil over and come together (quite literally, and many times I may add 😉). Here's what I LOVED: - Rogue continuously seeks advice from his elders and deeply respects their opinions and life experience and tries to implement their recommendations - Rogue makes many mistakes in the beginning but we see him actively work on not repeating them as the book progresses. The level of self-awareness and his ability to change his behavior was impressive - The magic system is intricate and we have only scraped the surface. As the series continues and Ara progresses in her powers, I'm sure we'll get to see more of this. I absolutely LOVE the messaging system that is used in this book. - Ara's struggles are so human and so raw. She is experiencing so much guilt and pain and hurt and getting to see her work through each of these emotions is inspiring. Especially as her and Rogue get closer and she learns she can lean on him as well, that she is not alone. - While this is the start of a series, there is NO cliffhanger! There's a bit of a teaser of something major that is going to happen at the start of the next book, but it's not a cliffhanger in the sense that we aren't sure if someone is going to live or d!e or if they'll be separated. For that, I am very thankful! This book was so much fun that I will definitely be returning to book 2, even if it takes several months (or longer since this is an debut author) to publish! - Lastly, the cover is GORGEOUS! And I love the title! I'll copy a few of my favorite quotes below so you can have a little taste of the author's writing and the world she's cultivated. 😊 Top Highlights from The Last Storm On days like this, when my heart was heavy and my mind clouded, I resorted to books— to escape, to forget, to find freedom where I had none. If I were to marry him, my face would always be turned to the window, searching for more, and if not that, I would be a shell of the person I am now. I stepped back to admire her, thr0bbing at the sight. She was the most beautiful woman I had ever seen. To ever exist. Nothing, no one, had ever deserved to be worshiped more. All men should be made to kneel before her. But she would have to settle for me. The taste of her met my t0ngue as my scent merged with hers, forever branding her. Mine. I l!cked the wound. Hers. Completely and utterly hers. I didn’t claim her in ownership. I claimed her as my one. Devoted myself to one. With that mark, my body and soul were bound to her. I would never be with anyone else, emotionally or physically. It would be her or no one, until my last breath. “Scream my name. Let everyone know who I belong to.” I had never really cared about the weather before, but now, clear skies meant everything to me, and I was grateful to see another calm morning. “There will never be another woman for me.” He paused. “Ever.” I stilled at his words. “What… Why?” “This”— his thumb slid down across the mark—“ is a symbol of… surrender. I know you believe that it was my claim upon you, but it wasn’t. It never was. I bound my body and soul to you, little storm.” “I also know that it is more than this tiny, insignificant mark on your skin that binds me to you. It’s you. All of you. Your strength and resilience. Your determination to endure no matter what fate throws at you. Your love for love and stories and hope. You are entirely the opposite of everything that I am and I would gladly wear your shackles if it meant I could have you.” My mate. Mine. And then everything shifted and I understood. I understood everything. The surrender. The deep, soul-craving longing. Bound. I was bound to him. Body and soul. Entirely his. “I would’ve waited forever,” he whispered back, understanding. Seriously, everyone.. add this to your TBR!!
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Reviewed in the United States on November 14, 2022

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