13229-W338978-89 WSM Piston Kit GP1800 Yamaha

Review WSM Piston Kit 0.50mm To 86.40mm Bore For Yamaha for YAMAHA GP1800 2017–2018

Introducing the WSM 13229-W338978-89 piston kit, specifically designed for the Yamaha GP1800 watercraft models produced between 2017 and 2018. This piston kit is an essential upgrade for those seeking improved engine performance, durability, and reliability.

The pistons in this kit are engineered with a bore size of 86.40mm and a compression height of 0.50mm, making them an excellent fit for the 1800cc engine in your GP1800. Each piston is meticulously crafted using high-quality materials, ensuring superior strength and resistance to wear and tear.

The piston crowns feature a state-of-the-art design that optimizes combustion efficiency, enhancing power output and reducing fuel consumption. The piston skirts are designed to minimize friction, leading to smoother engine operation and reduced heat transfer.

The WSM 13229-W338978-89 piston kit also includes new piston rings to ensure a proper seal within the cylinder barrels. These rings are designed to prevent oil leaks and maintain compression, ensuring optimal engine performance.

This piston kit is an excellent investment for watercraft enthusiasts who want to get the most out of their GP1800. It not only offers improved performance but also adds longevity to the engine, allowing you to enjoy your watercraft for years to come.

In summary, the WSM 13229-W338978-89 piston kit is a high-quality upgrade for your 2017-2018 Yamaha GP1800. With its optimized piston design, improved combustion efficiency, and reduced friction, this kit will help you experience superior engine performance, durability, and reliability.

Pros and Cons of buying a WSM 13229-W338978-89 Piston Kit for 2017-2018 Yamaha GP1800

The WSM 13229-W338978-89 piston kit is a popular upgrade for the 2017-2018 Yamaha GP1800 watercraft. This kit offers 1800cc displacement and 0.50mm piston dome size with an 86.40mm stroke. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this piston kit.

1. Increased horsepower: The WSM piston kit is designed to provide a performance boost, resulting in more power for your watercraft. This can lead to improved acceleration and top speed.

2. Enhanced durability: The piston kit is made from high-quality materials, which can withstand the rigors of watercraft use. This can lead to extended engine life and fewer repairs in the long run.

3. Improved efficiency: The piston kit's design can lead to better engine efficiency, which can result in improved fuel economy and reduced emissions.

4. Customization: The WSM piston kit offers a way for watercraft owners to personalize their vehicles and differentiate them from stock models.

1. Cost: The WSM piston kit is a premium upgrade, and the cost may be a barrier for some watercraft owners.

2. Installation complexity: Installing the piston kit requires a certain level of mechanical expertise and the use of specialized tools. This can be a time-consuming and labor-intensive process.

3. Potential for engine damage: Installing aftermarket parts, such as a piston kit, carries some risk. Improper installation or use of low-quality parts can lead to engine damage.

4. Voiding of warranty: Installing aftermarket parts may void the manufacturer's warranty, which could potentially leave the watercraft owner without coverage for any issues arising from the installation.

The WSM 13229-W338978-89 piston kit offers several advantages, including increased horsepower, enhanced durability, improved efficiency, and customization. However, the cost, installation complexity, potential for engine damage, and warranty concerns are valid considerations. Ultimately, the decision to purchase this piston kit depends on your budget, mechanical expertise, and desired level of performance enhancement for your 2017-2018 Yamaha GP1800. If you are confident in your abilities and willing to take on the risks, the WSM piston kit could provide significant benefits. However, if you prefer a more hands-off approach or are concerned about the potential drawbacks, it may be worth considering alternative ways to enhance the performance of your watercraft.

If you are considering the WSM 13229-W338978-89 piston kit for your 2017-2018 Yamaha GP1800, it is recommended that you carefully weigh the pros and cons, considering your budget, mechanical expertise, and desired level of performance enhancement. It is also advisable to ensure that you source the piston kit from a reputable supplier and follow all installation instructions carefully to minimize the risks associated with installing aftermarket parts. Alternatively, you may consider consulting a professional mechanic or watercraft specialist for their advice on the best way to enhance your watercraft's performance.

Details:

This is helpful if you are buying multiple items. Wsm piston kit 1800cc 0.50mm to 86.40mm bore for 2017 - 2018 Yamaha GP1800: bore: 86.40mm, sizing: oversize. I need to exchange an item. Compatibility: years: make: model: application: notes: 2013 - 2015 Yamahafa1800 wave runner Fox shoe, 2014 2018 Yamahafc1800a cruiser Soho, 2008 2012 Yamahafx1800 2017 2018 Yamahagp18 2009 2016 Yamahagx1800 Fr, 2018 Yamahafc1800 2016 Yamahafc1800 2016 Yamahafa1800a 2016 Yamahagx1800a Zs, 2018 Yamahafc1800b limited shoe.

Brand: Wsm, model number: 13229-W338978-89. Piston walls are treated with a nonabrasive coating which reduces heat and friction for extended life. Parts without fitment are to be assumed universal and may require vehicle modification. Wsm platinum series piston kit contains: 1 one piston as well rings, pin and clips to match piston bore size: 86.40mm, actual contents may vary from photo, pistons are made of high strength hardened aluminum.

They are designed to prevent skirt and ring groove breakage.

specifications watercraftimp:

• for models: Gp1800
• for makes: Yamaha
• for years: 2017–2018
• brand: Wsm
• mpn: 13229-w338978-89
• part type: Piston

returns watercraftimp:

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

offer watercraftimp:

• in stock #: 1
• options: ship-to-home
• availability: in stock
• started: april 30, 2025
• price: $130.42
• item condition: New
• sold #: 28

payments watercraftimp:

• other
• wallet: google-pay
• credit card: visa

shipping watercraftimp:

• class: standard
• transit: 3-6 days
• service: standard
• type: fixed

seller watercraftimp:

• # reviews: 63456
• city: boise, id
• rating: 99.5%

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components