YAMAHA 4HC-12591-00-00 Majesty Radiator Cap Water Outlet YP400 Fill Neck 925.2-51

( Manufacturer Part Number: 4HC-12591-00-00 ), ( Part Type: Radiator Cap Outlet )

Review YAMAHA Majesty Radiator Cap Water Outlet Fill Neck #925.2-51 fits 400 2005

Introducing the Yamaha 4HC-12591-00-00 radiator cap for the 2005 Majesty 400 YP400, an essential component for maintaining the optimal cooling system performance of your watercraft. This radiator cap is designed specifically for Yamaha watercraft models and guarantees a perfect fit.

The cap itself is constructed from durable materials to withstand the rigors of regular use on the water. Its sleek, modern design not only enhances the visual appeal of your watercraft but also serves a functional purpose. The cap features a pressure relief valve that allows excess pressure to escape safely, preventing potential damage to the engine.

The radiator cap also includes a water outlet fill neck, identified by the part number 925.2-51. This fill neck allows you to easily add water to the cooling system when necessary. The fill neck is designed to be easily accessible, making refilling a quick and hassle-free process.

The cap's finish is engineered to resist corrosion, ensuring longevity and durability even in harsh marine environments. The O-ring seal ensures a tight fit, preventing leaks and maintaining the cooling system's efficiency.

In summary, the Yamaha 4HC-12591-00-00 radiator cap is a vital component for the cooling system of your 2005 Majesty 400 YP400. Its durable construction, functional design, and ease of use make it an indispensable addition to your watercraft maintenance routine.

The Yamaha 4HC-12591-00-00 2005 Majesty 400 YP400 radiator cap with water outlet fill neck 925.2-51 is a replacement part designed for the cooling system of the Yamaha Majesty 400 motorcycle. This part allows water to be added to the radiator when necessary. Here are some pros and cons of purchasing this radiator cap.

1. OEM Part: This radiator cap is an original equipment manufacturer (OEM) part, which means it is designed and manufactured by Yamaha, ensuring a perfect fit and compatibility with your motorcycle.

2. High-Quality Material: The radiator cap is made of high-quality materials that can withstand the harsh conditions of the cooling system. It is designed to prevent coolant leaks and ensure proper cooling system function.

3. Easy to Install: Installing the radiator cap is a relatively simple process that can be done at home without requiring professional assistance. It usually involves removing the old radiator cap, cleaning the area, and installing the new one.

1. Cost: The radiator cap is a replacement part, which means it comes with a cost. While it may not be an expensive part, it is still an added expense that some riders might want to avoid.

2. Availability: Depending on your location and the availability of parts at local dealerships, it might take some time to get your hands on this specific radiator cap. Ordering it online can help ensure that you get the correct part, but it may take longer to arrive than ordering from a local dealer.

In conclusion, the Yamaha 4HC-12591-00-00 2005 Majesty 400 YP400 radiator cap with water outlet fill neck 925.2-51 is an essential replacement part for maintaining the cooling system on your Yamaha Majesty 400 motorcycle. While it comes with some costs and potential availability issues, the benefits of using an OEM part and the peace of mind that comes with knowing it is a high-quality component make it a worthwhile investment.

Therefore, I would recommend purchasing this radiator cap as a replacement for your Yamaha Majesty 400 motorcycle's old or damaged radiator cap. It is an investment in the long-term health and performance of your motorcycle.

Details:

They may be dirty, have signs of previous use, or need repair/maintenance. CDs computers can only be tested on the bike. Items will come with everything shown in the photos, nothing more or less. If you purchase brake parts, they may need to be rebuilt.

Used water outlet/coolant fill neck and cap, no cracks or damage. If you purchase a set of forks for 30-40 year old bike, the seals should be replaced. If hardware is included, it may be incomplete the small bits get lost sometimes or damaged we regularly include as a reference for replacement. Please pack the item securely.

part #: 4hc125910000 prices

• $26.02-$30.55

specifications racacyc:

• for models: 400
• for makes: Yamaha
• for years: 2005
• mpn: 4hc-12591-00-00
• part type: Radiator Cap Outlet

returns racacyc:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

general racacyc:

• condition: Used
• Motorcycle Scooter Parts Accessories > Engine Cooling > Radiator Coolant Reservoir Caps

seller racacyc:

• rating: 99.9%
• city: Clio, Michigan
• # reviews: 1488

offer racacyc:

• availability: In Stock
• best offers: True
• quantity: 1
• started: October 10, 2025
• sold: 0
• options: Ship-to-home

shipping racacyc:

• transit: 6-12 Days
• cost: $10.65
• class: Standard, Expedited
• carrier: USPS, UPS
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail Express
• type: Calculated

payments racacyc:

• wallet: Google-pay
• credit card: Mastercard
• other

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