SKU: 65107399739

Water Pump Repair Kit – Fits Yamaha F90B & F115 4-Stroke Outboards (Replaces 68V-W0078-01-00)

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Description

Water Pump Repair Kit – Fits Yamaha F90B & F115 4-Stroke Outboards (Replaces 68V-W0078-01-00)Water Pump Repair Kit Fits Yamaha F90B & F115 4 Stroke Outboards This water pump repair kit provides all the necessary components to overhaul the water pump on Yamaha F90B and F115 series 4 stroke outboard motors. Designed to meet or exceed OEM specifications, this kit ensures a reliable restoration of your engine's cooling system performance. This kit is a direct replacement for Yamaha part numbers 68V W0078 00 00 and 68V W0078 01 00, and aftermarket

Water Pump Repair Kit – Fits Yamaha F90B & F115 4-Stroke Outboards

This water pump repair kit provides all the necessary components to overhaul the water pump on Yamaha F90B and F115 series 4-stroke outboard motors. Designed to meet or exceed OEM specifications, this kit ensures a reliable restoration of your engine's cooling system performance.

This kit is a direct replacement for Yamaha part numbers 68V-W0078-00-00 and 68V-W0078-01-00, and aftermarket part number Sierra 18-3442G.

  • Installation Type: Lower Unit Service Replacement
  • Compatibility: Fits select Yamaha F115 (2002–present), F90B (2016–present), and VF115 models.
  • Function: Complete kit for a water pump rebuild (does not include the main housing).

Part Number Cross-Reference

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

Brand Part Number Superseded By
Yamaha 68V-W0078-00-00 68V-W0078-01-00
Yamaha 68V-W0078-01-00
Sierra 18-3442G

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 F115JA 115 4-Stroke 2011–2014 68V-W0078-01-00
Yamaha F115JB 115 4-Stroke 2014–2016 68V-W0078-01-00
Yamaha F115LA 115 4-Stroke 2011–2014 68V-W0078-01-00
Yamaha F115LA 115 4-Stroke 2006–2011 68V-W0078-01-00
Yamaha F115LB 115 4-Stroke 2014–2016 68V-W0078-01-00
Yamaha F115TJR 115 4-Stroke 2004–2007 68V-W0078-01-00
Yamaha F115TJRA 115 4-Stroke 2002 68V-W0078-01-00
Yamaha F115TJRB 115 4-Stroke 2003 68V-W0078-01-00
Yamaha F115TJRC 115 4-Stroke 2004 68V-W0078-01-00
Yamaha F115TJRD 115 4-Stroke 2005 68V-W0078-01-00
Yamaha F115TLR 115 4-Stroke 2004–2011 68V-W0078-01-00
Yamaha F115TLRA 115 4-Stroke 2002 68V-W0078-01-00
Yamaha F115TLRB 115 4-Stroke 2003 68V-W0078-01-00
Yamaha F115TLRC 115 4-Stroke 2004 68V-W0078-01-00
Yamaha F115TLRD 115 4-Stroke 2005 68V-W0078-01-00
Yamaha F115TXR 115 4-Stroke 2004–2011 68V-W0078-01-00
Yamaha F115TXRA 115 4-Stroke 2002 68V-W0078-01-00
Yamaha F115TXRB 115 4-Stroke 2003 68V-W0078-01-00
Yamaha F115TXRC 115 4-Stroke 2004 68V-W0078-01-00
Yamaha F115TXRD 115 4-Stroke 2005 68V-W0078-01-00
Yamaha F115XA 115 4-Stroke 2011–2014 68V-W0078-01-00
Yamaha F115XA 115 4-Stroke 2006–2011 68V-W0078-01-00
Yamaha F115XB 115 4-Stroke 2014–2016 68V-W0078-01-00
Yamaha F90B 90 4-Stroke 2016–present 68V-W0078-01-00
Yamaha LF115TXR 115 4-Stroke 2004–2011 68V-W0078-01-00
Yamaha LF115TXRA 115 4-Stroke 2002 68V-W0078-01-00
Yamaha LF115TXRB 115 4-Stroke 2003 68V-W0078-01-00
Yamaha LF115TXRC 115 4-Stroke 2004 68V-W0078-01-00
Yamaha LF115TXRD 115 4-Stroke 2005 68V-W0078-01-00
Yamaha LF115XA 115 4-Stroke 2011–2014 68V-W0078-01-00
Yamaha LF115XA 115 4-Stroke 2006–2011 68V-W0078-01-00
Yamaha LF115XB 115 4-Stroke 2014–2016 68V-W0078-01-00
Yamaha VF115LA 115 4-Stroke 2013–2015 68V-W0078-01-00

Technical Specifications

Specification Value
Product Type Water Pump Repair Kit
Installation Lower Unit Service Replacement
Warranty Standard Yamaha Marine OEM Parts Warranty
Other Technical Attributes Complete kit for water pump rebuild without housing

Package Contents

  • 1 x Cartridge Insert (61A-44322-02-00)
  • 1 x Outer Plate Cartridge (68V-44323-00-00)
  • 1 x Water Pump Gasket (6E5-44315-A0-00)
  • 1 x Impeller (6E5-44352-01-00)
  • 4 x Bolt with Washer (90119-08M14-00)
  • 1 x Woodruff Key (90280-04M05-00)
  • 1 x O-Ring (93210-37M67-00)
  • 1 x O-Ring (93210-86M38-00)
  • 2 x Dowel Pin (93606-12019-00)

Installation Guide

  1. Safety First: Disconnect the battery and secure the outboard motor in a tilted position.
  2. Drain Gear Lube: Remove the drain and vent plugs to drain the gearcase lubricant.
  3. Remove Lower Unit: Unbolt and carefully detach the lower unit (gearcase) from the upper section of the motor.
  4. Access Water Pump: Locate and remove the bolts securing the water pump housing.
  5. Disassemble: Carefully lift the housing. Remove the old impeller, gasket, wear plate, and O-rings. Note their orientation.
  6. Clean and Inspect: Thoroughly clean all surfaces and inspect the housing for cracks or warping.
  7. Install New Parts: Lightly grease the new O-rings and insert them. Install the new gasket, plate, and Woodruff key.
  8. Install Impeller: Slide the new impeller onto the drive shaft, turning the shaft clockwise to seat the vanes correctly.
  9. Reassemble Pump: Reinstall the cartridge insert and outer plate, then secure the housing with the new bolts, tightening them to the torque specified in your service manual.
  10. Reattach Lower Unit: Guide the lower unit back into place, ensuring the driveshaft, shift shaft, and water tube align. Bolt securely.
  11. Refill Gear Lube: Fill the gearcase with fresh lubricant from the bottom plug until it emerges from the top vent hole. Reinstall plugs.
  12. Test Operation: Reconnect the battery. Start the engine in water and confirm a steady stream of water from the tell-tale outlet.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my specific engine model?

A: The most reliable way is to match your engine's model and year to the compatibility chart above. You can find this information on the identification plate on your outboard's mounting bracket. Using our Yamaha Serial Number Guide can also help you pinpoint your exact model.

Q: What is the difference between this kit and a kit that includes the housing?

A: This kit contains all the internal wear items for a standard water pump service (impeller, gaskets, plates, etc.). It is designed for situations where your existing water pump housing is still in good condition (no cracks, warping, or deep scoring). If your housing is damaged, you will need a complete kit that includes the housing.

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

A: As a general rule, it is recommended to inspect and/or replace your water pump impeller every 100 operating hours or at least once a year, whichever comes first. This interval can be shorter if you frequently operate in sandy, silty, or saltwater conditions.

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

A: The most common signs include a weak or non-existent water stream from the "tell-tale" outlet, an engine overheating alarm, or a noticeable drop in water pressure on your gauges. A damaged impeller can also produce a rattling or grinding noise from the lower unit.

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: 65107399739

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Reviewed in the United States on June 21, 2025
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Robert Novak
Lowell, US
★★★★★ 3
Not a great fit for Dell U3419W
I got this for use on one of my Dell U3419W wide screen monitors. The slide-in mount wasn't a good fit for the design of this monitor, as the bezel isn't typical and the illuminated part of the screen is a tiny bit narrower than the filter. I plan to see if I can hack something together that will work with this monitor without sticking stuff to the actual display part of the screen or leaving the filter far enough in places from the screen to make it unreadable. I'm rating it 3 stars instead of 2 because I think I can make it work, but it seems like the attachment methods included are meant for laptops rather than standalone monitors. If I had ordered this outright, I would have returned it.
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