SKU: 67263513997

6G8-W006A-00 Maintenance Kit for Yamaha F20A F25A F25D | JLM Marine

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Description

6G8-W006A-00 Maintenance Kit for Yamaha F20A F25A F25D | JLM Marine6G8 W006A 00 Maintenance Kit for Yamaha F20A F25A F25D JLM Marine This comprehensive maintenance kit is designed to fit Yamaha 4 stroke outboard engines F20A, F25A, and F25D (25 HP) across model years 19982017. It provides all essential service componentsincluding water pump parts, filters, thermostat, anodes, and gasketsin one convenient package to streamline your routine maintenance. Direct OEM Replacement: 6G8 W006A 00 Includes complete water pump

6G8-W006A-00 Maintenance Kit for Yamaha F20A F25A F25D | JLM Marine

This comprehensive maintenance kit is designed to fit Yamaha 4-stroke outboard engines F20A, F25A, and F25D (25 HP) across model years 1998–2017. It provides all essential service components—including water pump parts, filters, thermostat, anodes, and gaskets—in one convenient package to streamline your routine maintenance.

Direct OEM Replacement: 6G8-W006A-00

  • Includes complete water pump rebuild components (impeller, housing, gaskets, seals, and hardware)
  • Features fuel filter, oil filter, thermostat assembly, drain gaskets, and sacrificial anode
  • Covers Yamaha F25HP DEHTL, DETL, and DMHL models from 2009–2017

Part Number Cross-Reference

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

Brand Part Number
Yamaha 6G8-W006A-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
Yamaha F20A 20 HP 4-Stroke 1998–2009
Yamaha F25A 25 HP 4-Stroke 1998–2009
Yamaha F25D 25 HP 4-Stroke 2009–2017
Yamaha F25HP DEHTL 25 HP 4-Stroke 2009–2017
Yamaha F25HP DETL 25 HP 4-Stroke 2009–2017
Yamaha F25HP DMHL 25 HP 4-Stroke 2009–2017

Technical Specifications

Specification Value
OEM Part Number 6G8-W006A-00
Engine Type 4-Stroke Outboard
Horsepower Range 20–25 HP
Brand Compatibility Yamaha

Package Contents

This maintenance kit includes the following components:

  • 61N-44322-00 – Cup, Insert × 1
  • 6H4-44352-02Impeller × 1
  • 61N-44311-00 – Housing, Water Pump × 1
  • 6L2-44367-00 – Seal, Water × 1
  • 90280-03024 – Key × 1
  • 93210-45161 – O-ring × 1
  • 61N-44323-00 – Plate, Wear × 1
  • 97095-06040 – Bolt × 4
  • 61N-24560-10Fuel Filter × 1
  • 5GH-13440-00Oil Filter × 1
  • 6G8-12411-00 – Thermostat × 1
  • 62Y-12414-00 – Thermostat Gasket × 1
  • 90430-08020 – Drain Gasket × 4
  • 91490-25030-00 – Cotter Pin × 1
  • 61N-45251-00 – Anode × 1
  • 24OP149 – Gear Oil Pump × 1

Installation Guide

  1. Preparation: Disconnect the fuel line and tilt the engine to access the lower unit. Gather necessary tools including socket wrenches, screwdrivers, and a torque wrench.
  2. Remove Lower Unit: Drain the gear oil completely using the drain screws. Remove the bolts securing the lower unit to the mid-section and carefully separate the lower unit.
  3. Water Pump Disassembly: Remove the old water pump housing by unscrewing the mounting bolts. Carefully extract the old impeller, wear plate, cup insert, and seals.
  4. Clean Components: Thoroughly clean the water pump cavity and inspect for corrosion or damage. Ensure all mating surfaces are smooth and free of debris.
  5. Install New Water Pump Parts: Insert the new key onto the driveshaft, then slide the new impeller (lubricate blades with glycerin or soapy water) onto the shaft with blades facing the correct direction. Install the new wear plate, cup insert, O-ring, and water seal per the service manual.
  6. Reassemble Water Pump Housing: Position the new housing over the assembly and secure with the provided bolts, torquing to manufacturer specifications (typically 7–10 ft-lbs).
  7. Replace Filters: Locate and remove the old fuel filter and oil filter from the powerhead. Install the new fuel filter (observe flow direction arrows) and spin on the new oil filter hand-tight plus 3/4 turn.
  8. Thermostat Replacement: Remove the thermostat cover, extract the old thermostat and gasket, then install the new thermostat (ensure correct orientation) with the new gasket. Reinstall the cover and torque bolts evenly.
  9. Anode Installation: Remove the old sacrificial anode from the lower unit and clean the mounting surface. Install the new anode securely to prevent galvanic corrosion.
  10. Reinstall Lower Unit: Apply new drain gaskets to both the fill and drain screws. Carefully align the lower unit with the mid-section (ensure the water tube enters the grommet) and secure with bolts, torquing in a cross pattern.
  11. Refill Gear Oil: Using the included gear oil pump, fill the lower unit with the manufacturer-recommended gear oil until it overflows from the top vent hole. Install the top screw first, then the bottom drain screw with new gaskets.
  12. Final Check: Reconnect the fuel line, lower the engine, and run it in a test tank or on the water. Verify strong water stream from the tell-tale, check for leaks, and confirm smooth operation.

Troubleshooting & FAQ

Q: How do I confirm this maintenance kit fits my engine?
A: Cross-reference your engine model and year with the compatibility table above (F20A/F25A 1998–2009, F25D/F25HP DEHTL/DETL/DMHL 2009–2017). You can also verify using the Yamaha serial number guide or consult your engine's parts diagram for OEM number 6G8-W006A-00.

Q: How often should I perform this maintenance service?
A: Yamaha recommends replacing the water pump impeller every 2–3 years or 200–300 hours of operation, whichever comes first. Filters, thermostats, and anodes should be inspected annually and replaced as needed based on condition.

Q: What are the signs that my water pump or filters need replacement?
A: Weak or absent water flow from the tell-tale, engine overheating, reduced performance, hard starting, or visible impeller damage are common indicators. If your engine is running hot or you notice performance issues, inspect and replace these components immediately.

Q: Can I install this kit myself or do I need a professional?
A: Installation requires moderate mechanical skill and familiarity with outboard lower unit service. If you are comfortable with basic tools and following a service manual, DIY installation is feasible. However, professional installation is recommended if you lack experience to ensure proper torque specs and alignment.

Q: Does this kit include everything needed for a complete service?
A: Yes, this kit includes the water pump rebuild components, fuel and oil filters, thermostat assembly, drain gaskets, anode, and a gear oil pump. You will need to supply the appropriate gear oil separately.

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: 67263513997

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4.8 ★★★★★
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OBSSD
Draper, US
★★★★★ 4
Well made, but not a good fit for Volvo XC40
One issue with this style of holder, is that the swing arm and holder add a fair amount of weight and extends that weight away from the vent, applying quite a bit more leverage on the vent. It may not be as much of an issue on horizontal vents, but the vertical vents on an XC40 will want to swing side-to-side with all that weight. As for the build of this particular holder, my only real gripe is the adjustment for the swing arm - after tightening the knob, there will still be some play in the arm...you have to jiggle it while tightening it down to fully secure it. The position of the release button allows one-handed removal of the phone, but really only works by pinching with your thumb on the screen. The clip for the vent accommodates relatively wide fins and the tabs can be rotated to help with stability or removed to provide more clearance (though rubberized tabs would be much more helpful).
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Reviewed in the United States on January 9, 2024
M
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MRF
Draper, US
★★★★★ 5
Good solid product
Purchased in February of 2025. Very solid item. Use it constantly in our 2011 4Runner and 2017 CX5. This unit attaches firmly to vent fins in both cars. I use iPhone for maps programs and streaming music. When traveling I'm constantly rotating device 90 degrees to use phone in portrait and landscape positions. Unit has shown no signs of losing ability to firmly hold desired position despite frequent rotations. It holds firmly where you place it. Initially I had concerns about placement on dash and blocking view of radio face, clock, MPG indicator, and other displays. Didn't take too long to realize the flexibility of this thing and the many, many positions you can place it due to multiple rotational joints. Pricing was fair. If this ever wears out, I will want to buy another.
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Reviewed in the United States on December 8, 2025
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bspeakes
Bozeman, US
★★★★★ 5
Happy with purchase, easy to install, exactly what I needed
For many years, I'd been using a similar item with a wedge-type vent mount that finally stretched out and became unusable. When searching for a replacement, I wanted to try one with a different type of mount and I looked at many brands/types of holders. This one seemed to be the best item for the price ($8.99 at the time). So far, I'm very happy with it. I got it in a timely manner, and it was exactly as advertised. I had no problems attaching the hook to the vent fin and securing it. I use it for a GPS, and since the holder is designed to stand out away from the vent a bit, my device is easier to see than previously and details are easier to read. It wobbles, occasionally, but the holder's not loose, at all, and it doesn't affect my ability to read the device. The frame is barely just big enough to hold my GPS, but so far that hasn't been a problem. The device slides into the frame easily, locks securely, and stays put. The holder pops open at the touch of a button on the back, and the device can be removed easily, without issue.
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Reviewed in the United States on December 19, 2023
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Verified Purchase
Marooned
New York, US
★★★★★ 3
Prevents me from adjusting the air vent up or down
It's true that it doesn't block the air flow. I had to put it on the left passenger side vent to retain the ability to point the driver's air vents where I want. With it over there, I have to turn my head too far to the right when I'm driving to see my phone, and the passenger can't adjust the vent up or down. Also, phone can't tilt as far left and right as other ones. Good price, unique design, easy to install, feels sturdy, holds iPhone SE fine, and doesn't block my view of the entertainment system.
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Reviewed in the United States on March 27, 2026
S
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ShopDoc1
Massapequa, US
★★★★★ 5
BETTER THAN A CUP HOLDER
I had a cup-holder mount and it was always falling apart. No matter how it was turned, to unfasten my phone I had to move the spring part of the holder in the same direction that removes the entire clip from the stem of the mount. Of course, I eventually lost the clip. What a bad idea. And, in a 4-Runner, on my cupholder, MAPS sometines got lost and I would have to hold my phone up to the windshield for a minute to get back MAPS back on track. Also not a good Idea. We're not supposed to be handeling a phone and driving so holding my phone up to the windshield is kinda like flagging down a cop. (The 4-Runner has hand-free phone service, as well as some kind of circuitious navigation but it's always lost.) . So, for about $9 on sale, I though I would try one of these LISEN mounts. It works great ! Really. Easy to attach securely but scratchlessly it to my center AC/heat vent and It is infantly moveable. Swing the arm 360 degrees, in and out, phone up or saideways, and tilt the phone to me or the Boss. If I get bored, I can relocate it anywhere along the center vents, or even over to my side vent if I have nothing better to do.. It is sturdy, quiet, easy to clamp in my S21, and release is simplye by pushing the button on the back. Sooo much better that my previous mount, for a third of the price. It might be the best $9 you ever spent. And still worthwhile,if you have to shell out the $18. (But I always try to avoid paying full price for anything). Enjoy !
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Reviewed in the United States on December 10, 2023

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