16102-W344724-82 WSM Top End Kit GP1800 Yamaha

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

The WSM 16102-W344724-82 Top End Kit is an essential upgrade for the 2017-2018 Yamaha GP1800 watercraft. This top-tier performance package is designed to deliver enhanced power, improved throttle response, and increased efficiency for an unrivaled on-water experience.

The heart of this kit is the high-performance 1800cc cylinder set. Each cylinder features a bore size of 86.40mm and a piston skirt thickness of 0.50mm, optimized for maximum power output and durability. The pistons are engineered from a high-strength material, ensuring superior heat dissipation and resistance to wear and tear.

The WSM Top End Kit also includes a set of high-flow, 34mm intake manifolds. These manifolds are designed to provide increased airflow to the engine, resulting in improved combustion efficiency and a more potent powerband. The intake runners are meticulously crafted for optimal flow dynamics, ensuring a seamless delivery of fuel and air to the cylinders.

Moreover, this kit comes with a set of high-performance, 45mm throttle bodies. These throttle bodies offer larger intake ports, enabling a greater volume of air to flow into the engine. This results in increased power output, improved throttle response, and a more responsive engine. The throttle bodies are also furnished with high-performance fuel injectors, ensuring precise fuel delivery for optimal combustion.

Another notable feature of the WSM Top End Kit is the inclusion of high-performance, adjustable camshafts. These camshafts offer increased valve lift, resulting in improved power output and enhanced engine performance. The adjustable design allows for fine-tuning to suit various riding styles and conditions, ensuring optimal power delivery at all RPMs.

Lastly, this kit includes a set of high-performance, adjustable timing gears. These gears offer precise adjustability, enabling fine-tuning of the engine's ignition timing for optimal power output and efficiency. The gears are meticulously engineered for durability and reliability, ensuring long-lasting performance.

In conclusion, the WSM 16102-W344724-82 Top End Kit is an ideal upgrade for those seeking to unlock the full potential of their 2017-2018 Yamaha GP1800 watercraft. With its high-performance cylinder set, intake manifolds, throttle bodies, camshafts, and timing gears, this kit delivers enhanced power, improved throttle response, and increased efficiency, ensuring an unrivaled on-water experience.

Pros and Cons of Buying WSM Top End Kit for 2017-2018 Yamaha GP1800

a. Enhanced Performance: The WSM top end kit is designed to provide better performance by increasing the engine's power output. This can lead to improved acceleration and top speed.

b. Improved Fuel Efficiency: With the optimized design of the WSM top end kit, users may experience improved fuel efficiency, saving them money in the long run.

c. Durability: The WSM top end kit is made from high-quality materials, ensuring it can withstand the rigors of regular use on the water.

d. Easy Installation: The kit comes with clear instructions and all necessary hardware, making it relatively easy for most DIY enthusiasts to install.

a. Cost: The WSM top end kit is a significant investment, which may be a deterrent for some buyers.

b. Risk of Damage: Installing the kit yourself carries the risk of damaging other components if not done correctly. It may be worth considering professional installation to minimize this risk.

c. Compatibility: Ensure the kit is fully compatible with your specific model of the Yamaha GP1800 before purchasing, as incompatibility could lead to performance issues or even engine damage.

The WSM top end kit offers several advantages, including enhanced performance, improved fuel efficiency, and durability. However, the high cost and potential risks associated with installation should be carefully weighed against these benefits. If you are comfortable with the installation process and are willing to invest in the kit, it could significantly improve the performance of your Yamaha GP1800.

a. Evaluate your budget and determine if the investment in the WSM top end kit is worth it for your specific use case.

b. Thoroughly research the installation process and consider seeking professional help if you are unsure.

c. Ensure the kit is fully compatible with your Yamaha GP1800 model.

d. Weigh the potential benefits against the risks and make an informed decision based on your personal preferences and requirements.

Details:

Compatibility: years: make: model: application: notes: 2017 - 2018 Yamahafc1800b wave runner Fox limited Soho, 2011 2014 Yamahavx1800k bxs, 2016 Yamahafc1800 cruiser 2013 2016 Yamahafa1800a shoe, 2014 Yamahafa1800 2008 2011 Yamahafx1800 2012 2014 Yamahafb1800a ho, 2014 2018 Yamahafc1800a 2012 Yamahafx1800 2009 2013 Yamahagx1800a Zs, 2018 Yamahafc1800 2013 Yamahafb1800 2018 Yamahagp18 2013 Yamahagx1800 Fr, 2014 Yamahavx1800ak VCR. Wsm top end kit 1800cc 0.50mm to 86.40mm bore for 2017 - 2018 Yamaha GP1800: bore: 86.40mm, sizing: oversize. Wsm platinum series top-end 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.: brand: Wsm, model number: 16102-W344724-82.

Piston walls are treated with a nonabrasive coating which reduces heat and friction for extended life. They are designed to prevent skirt and ring groove breakage. This is helpful if you are buying multiple items. Parts without fitment are to be assumed universal and may require vehicle modification.

I need to exchange an item.

specifications watercraftimp:

• for models: Gp1800
• for makes: Yamaha
• for years: 2017–2018
• brand: Wsm
• mpn: 16102-w344724-82

shipping watercraftimp:

• transit: 2-4 days
• class: standard
• type: fixed
• service: standard

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

payments watercraftimp:

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

returns watercraftimp:

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

offer watercraftimp:

• options: ship-to-home
• started: december 9, 2025
• prices: $607.60–$661.53
• item condition: New
• in stock #: 5
• sold #: 20
• availability: in stock

seller watercraftimp:

• rating: 99.8%
• # reviews: 71701
• city: boise, id