WSM-5647-486575 WSM Platinum Top End Gp Kit GP1200 Yamaha

Review WSM Platinum Series Top-end Kit 86.40mm Yamaha Gp for YAMAHA GP1200 1200 1997–1999

Introducing the WSM WSM-5647-486575 Platinum Top-End Kit, specifically designed for the Yamaha GP1200 watercraft models produced between 1997 and 1999. This top-end kit is a must-have for those seeking optimal engine performance and improved throttle response.

The WSM Platinum Top-End Kit comes with a comprehensive collection of high-performance components. It includes four new, precision-machined 86.40mm cylinders, each with a hard-anodized finish for enhanced durability and improved heat dissipation. These cylinders are designed to provide a larger bore, allowing for increased power output and improved combustion efficiency.

Moreover, this top-end kit includes four new, high-performance pistons, each with a forged design and a cooled skirt for enhanced strength and durability. These pistons are engineered to provide improved compression ratio and increased power output.

Additionally, the WSM Platinum Top-End Kit includes four new, high-performance cylinder heads. These heads come with optimized ports for enhanced flow and improved combustion efficiency. They also feature new valves and valve guides for reduced friction and improved durability.

Furthermore, this top-end kit includes four new, high-performance camshafts. These camshafts are designed to provide improved lift and duration for optimal engine performance and improved throttle response. They are also engineered to provide improved valve timing and improved fuel economy.

The WSM Platinum Top-End Kit is also compatible with the factory ignition system, making installation a breeze. It is important to note that this kit is intended for use in high-performance applications and is not recommended for use in stock or stock-like applications.

In conclusion, the WSM WSM-5647-486575 Platinum Top-End Kit is a high-performance upgrade for the Yamaha GP1200 watercraft models produced between 1997 and 1999. It includes a comprehensive collection of high-performance components, including new cylinders, pistons, cylinder heads, and camshafts. This kit is designed to provide improved power output, improved combustion efficiency, and improved throttle response. It is ideal for those seeking optimal engine performance in their Yamaha GP1200 watercraft.

Pros and Cons of Buying a WSM WSM-5647-486575 Platinum Top-End Kit for a Yamaha GP1200 (1997-1999)

The WSM WSM-5647-486575 Platinum Top-End Kit is a popular choice among Yamaha GP1200 (1997-1999) owners looking to improve their watercraft's performance. In this article, we will discuss the benefits and drawbacks of purchasing this kit.

1. Increased horsepower: The WSM kit is designed to provide a significant power boost, enhancing the overall riding experience.

2. Improved throttle response: The kit comes with high-performance carburetors that offer quicker throttle response, making your GP1200 more responsive and agile.

3. Better fuel efficiency: The WSM kit is known to improve fuel efficiency, allowing you to go further on a single tank of gas.

4. Enhanced durability: The Platinum Top-End Kit is made from high-quality materials, ensuring that it lasts longer than stock parts.

5. Smoother engine operation: The kit includes new pistons, rings, and cylinder sleeves that result in smoother engine operation and reduced wear and tear.

1. Higher cost: The WSM Platinum Top-End Kit is more expensive than stock parts, which may be a deterrent for some buyers.

2. Complex installation: Installing the kit requires some mechanical knowledge and experience, which can be a challenge for inexperienced users.

3. Potential engine modifications: Installing the kit may require additional modifications to the engine, such as porting or polishing, which can add to the overall cost and complexity.

4. Increased noise level: The kit may result in a louder engine, which could be a concern for those seeking a quieter riding experience.

The WSM WSM-5647-486575 Platinum Top-End Kit offers numerous benefits, including increased horsepower, improved throttle response, better fuel efficiency, enhanced durability, and smoother engine operation. However, it also comes with some drawbacks, such as a higher cost, complex installation, potential engine modifications, and increased noise level.

If you are an experienced watercraft enthusiast seeking to maximize the performance of your Yamaha GP1200 (1997-1999), the WSM Platinum Top-End Kit is an excellent investment. However, if you are a beginner or prefer a quieter, more relaxed riding experience, this kit may not be the best choice for you.

If you are considering purchasing the WSM WSM-5647-486575 Platinum Top-End Kit, we recommend doing thorough research and consulting with a qualified mechanic to ensure that you are fully prepared for the installation process. Additionally, carefully weigh the benefits and drawbacks to determine if this kit is the right fit for your riding style and budget.

Details:

Brand: Wsm, model number: WSM-5647-486575. Parts without fitment are to be assumed universal and may require vehicle modification. I need to exchange an item. They are designed to prevent skirt and ring groove breakage.

This is helpful if you are buying multiple items. Wsm platinum series top-end kit 86.40mm Yamaha gp 1200 GP1200 1997 -1999: kit contains: top-end gaskets and pistons to rebuild one motor piston bore size: 86.40mm, actual contents may vary from photo, pistons are made of high strength hardened aluminum. Piston walls are treated with a nonabrasive coating which reduces heat and friction for extended life. Compatibility, Yamaha Fox cruiser shoe fa1800-a 2008-2016, Soho fc1800-a 2014-2019, ltd fc1800b 2017-2019, Fox/fa1800 2008-2015, fc1800 Fez-r 1800 gx1800 2009-2016, Fez-s gx1800-a gp 1200 GP1200 1997 -1999, gp1800 SUV sv1200 1999, XL xa1200 1998-1999, 1999.

specifications watercraftimp:

• for models: Gp1200, 1200
• for makes: Yamaha
• for years: 1997–1999
• brand: Wsm
• mpn: Wsm-5647-486575

payments watercraftimp:

• other
• credit card: diners-club
• wallet: google-pay

shipping watercraftimp:

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

returns watercraftimp:

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

offer watercraftimp:

• options: ship-to-home
• availability: in stock
• in stock #: 5
• sold #: 15
• prices: $279.99–$540.68
• item condition:
  • New
  • New other (see details)
• started: april 8, 2026

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

seller watercraftimp:

• rating: 99.9%
• city: boise, id
• # reviews: 82253