6G5-W0078-A1 YAMAHA Outboard Water Pump Repair Housing Kit

Review YAMAHA Aftermarket Outboard Water Pump Repair Kit 1984 91 Housing for MARINE 1984-91

Introducing the Yamaha Marine Outboard Water Pump Repair Kit (6G5-W0078-A1) specifically designed for outboard motors with a power output of 150-225hp and manufactured between the years 1984 and 1991. This repair kit is a must-have for boat owners seeking to maintain their Yamaha outboard engines in optimal condition.

The kit includes a complete housing assembly, part number 6G5-W0078-A1-00, which is the key component that requires replacement when the water pump fails. This housing assembly is meticulously engineered to ensure efficient cooling and reliable water circulation in your Yamaha outboard motor.

The repair kit is designed to fit models with an 18-3311 impeller and is suitable for use with the following Yamaha outboard motor series: F200, F225, F250, and F300. The housing assembly is precision-machined from high-quality materials, ensuring a perfect fit and superior durability.

The kit comes with a new impeller, which is the rotating component that draws water into the pump and forces it through the cooling system. This impeller is specifically designed for Yamaha outboard motors and is engineered to provide maximum cooling efficiency and longevity.

Additionally, the repair kit includes a new thrust washer and a gasket to ensure a leak-free installation. The thrust washer is responsible for reducing the wear on the water pump shaft, while the gasket ensures a tight seal between the housing and the engine.

Installing the repair kit is a straightforward process and can be completed with basic hand tools. The kit also comes with clear and concise instructions to guide you through the installation process.

In summary, the Yamaha Marine Outboard Water Pump Repair Kit (6G5-W0078-A1) is an essential tool for boat owners seeking to maintain their Yamaha outboard motors in top condition. With a complete housing assembly, new impeller, thrust washer, and gasket, this kit provides everything you need to repair a failed water pump and get your boat back on the water.

Yamaha Marine Outboard Water Pump Repair Kit (6G5-W0078-A1) for 150-175-200-225hp Outboards (1984-1991) - A Comprehensive Analysis

The Yamaha Marine Outboard Water Pump Repair Kit (6G5-W0078-A1) is specifically designed for Yamaha outboard engines with a power range of 150-175-200-225hp, manufactured between 1984 and 1991. This repair kit includes the housing (6G5-W0078-A1-00) and is intended to help boat owners repair their water pumps without having to purchase an entirely new unit. In this analysis, we will discuss the pros and cons of purchasing this repair kit to help you make an informed decision.

1. Cost-effective: Purchasing a repair kit is generally more cost-effective than buying a new water pump, especially if the pump itself is not damaged beyond repair.

2. OEM (Original Equipment Manufacturer) Part: This repair kit uses original Yamaha parts, ensuring a perfect fit and optimal performance.

3. Easy installation: The repair process is relatively straightforward, and the kit includes detailed instructions to help you complete the task efficiently.

4. Improved reliability: By replacing worn or damaged parts with new, OEM components, you can help improve the overall reliability of your outboard engine.

5. Versatility: This repair kit is compatible with a wide range of Yamaha outboard engines, making it a valuable investment for boat owners with different engine models.

1. Limited availability: This repair kit may not be readily available at all marine supply stores, so you may need to order it online or through a Yamaha dealer.

2. Potential for hidden issues: If the water pump failure is a symptom of a larger issue, repairing the pump alone may not solve the problem, and additional costs may be incurred.

3. Time investment: While the repair process is straightforward, it still requires an investment of your time to complete the job.

4. Skill level: Some boat owners may not have the necessary skills or experience to complete the repair themselves, which could lead to additional costs for professional installation.

The Yamaha Marine Outboard Water Pump Repair Kit (6G5-W0078-A1) offers several advantages for boat owners, including cost-effectiveness, ease of installation, and the use of original Yamaha parts. However, it also comes with some disadvantages, such as limited availability, potential for hidden issues, time investment, and skill level requirements.

1. Availability of the repair kit in their area.

2. The overall condition of their outboard engine and the potential for hidden issues.

3. Their skill level and experience in repairing outboard engines.

4. The cost-effectiveness of repairing versus replacing the water pump.

If the repair kit is readily available, the boat owner has the necessary skills and experience, and the water pump failure appears to be an isolated issue, then purchasing this repair kit would be a wise investment. However, if there are concerns about hidden issues or the availability of the repair kit, it may be worth considering alternative solutions, such as purchasing a new water pump or seeking professional assistance.

Details:

Sierra Marine 18-3310 18-3311 with pump housing. Satisfaction guaranteed. 1x housing, water pump - 6e5-44311-00-00. Best quality and suitable price is our most important principle.

Yamaha 175 hp 175a/b 1984 -91. Yamaha 150 hp 150a/c/e 1984 -91. Orders can be shipped to your home or an alternate address. Good quality, best service Yamaha Marine.

specifications watercraftimp:

• for models: Marine
• for years: 1984-91
• brand: Yamaha
• mpn: 6g5-w0078-a1
• type: Outboard Motor Water Pump Rebuild Service Kit
• replacement oem number 1: Yamaha Marine Outboard 6g5-w0078-00 6g5-w0078-00-00
• replacement oem number 2: Yamaha Marine Outboard 6g5-w0078-01 6g5-w0078-01-00
• replacement oem number 3: Yamaha Marine Outboard 6g5-w0078-a1 6g5-w0078-a1-00
• replacement oem number 4: Yamaha Marine Outboard 6g5w007800 6g5w00780000
• replacement oem number 5: Yamaha Marine Outboard 6g5w007801 6g5w00780100
• warranty: 1 Year
• replacement oem number 6: Yamaha Marine Outboard 6g5w0078a1 6g5w0078a100
• compatible with 1: Yamaha Outboard 150hp 150a 150c 150e 1984-1991 Year
• compatible with 2: Yamaha Outboard 175hp 175a 175b 1984-1991 Year
• compatible with 3: Yamaha Outboard 200hp 200a 200e 200b 1984-1991 Year
• compatible with 4: Yamaha Outboard 225hp 225a 225b 1987-1991 Year
• aftermarket replacement 1: Mallory Marine 9-48601
• aftermarket replacement 2: Sierra Sei West 18-3310 18-3311 With Pump Housing
• aftermarket replacement 3: Mercury Mariner 879129, 888687a1

seller watercraftimp:

• rating: 99.3%
• # reviews: 8013
• city: hebron, kentucky

returns watercraftimp:

• policy: returns accepted
• time: 30 days
• paid by: seller

offer watercraftimp:

• sold #: 22
• best offers: true
• prices: $42.99–$87.00
• item condition:
  • New
  • New other (see details)
• options: ship-to-home
• started: july 3, 2025
• in stock #: 5
• availability: in stock

payments watercraftimp:

• wallet: apple-pay
• other
• credit card: discover

shipping watercraftimp:

• transit: 5-9 days
• type: fixed
• class: standard
• service: standard

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components