16101-W344722-81 WSM Top End Kit Yamaha

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

Introducing the WSM Top End Kit 1800cc for the 2017-2018 Yamaha motorcycles, a high-performance upgrade for riders seeking increased power and enhanced engine efficiency. This top end kit, specifically modeled as part number WSM 16101-W344722-81, is engineered to fit and optimize the engine of your Yamaha motorcycle.

The WSM Top End Kit is designed for Yamaha engines with a displacement of 1800cc and features a 0.50mm oversize piston and a 86.40mm bore size. This kit is meticulously crafted to provide superior engine performance by improving combustion efficiency, increasing power output, and reducing engine heat.

The 0.50mm oversize pistons are CNC machined from high-quality aluminum alloy for exceptional strength and durability. These pistons are designed to fit perfectly within the engine cylinder, ensuring a precise seal and optimal compression. The piston rings are also included in the kit, ensuring a proper fit and sealing performance.

The WSM Top End Kit also includes high-performance cylinder heads that are CNC machined from premium aluminum alloy. These cylinder heads feature optimized port design and larger intake and exhaust valves for improved airflow and superior combustion efficiency. The kit also includes high-performance valve springs to ensure proper valve function and maintain optimal engine performance under various riding conditions.

Additionally, the WSM Top End Kit includes a set of high-performance camshafts that are designed to provide increased power and enhanced engine response. These camshafts are precision-machined from billet steel and feature optimized lobe design and duration to provide improved power output and throttle response.

The WSM Top End Kit is backed by comprehensive technical support and a one-year manufacturer's warranty, ensuring peace of mind for riders looking to enhance the performance of their Yamaha motorcycle. This kit is a must-have for riders seeking to take their motorcycle to the next level, providing a significant power boost and improved engine efficiency.

Upgrade your Yamaha motorcycle with the WSM Top End Kit 1800cc, and experience the difference in power, performance, and efficiency that comes with this high-performance engine upgrade.

Pros and Cons of buying a WSM 1800cc Top End Kit for 2017-2018 Yamaha Motorcycles

a. Enhanced Performance: The top end kit is designed to improve the engine's overall performance by increasing the displacement from 1600cc to 1800cc. This results in better power delivery and increased torque.

b. High-Quality Materials: This kit is made with top-notch materials, including the 0.50mm oversize piston and 86.40mm stroke length. These features contribute to increased durability and reliability.

c. Improved Throttle Response: The top end kit provides smoother and quicker throttle response, making the riding experience more enjoyable.

d. Better Fuel Efficiency: The increased engine size and improved combustion efficiency can lead to better fuel economy.

a. Expensive: The WSM 1800cc top end kit is a premium upgrade and comes with a premium price tag. This may not be an affordable option for all Yamaha motorcycle owners.

b. Complex Installation: Installing the top end kit requires a significant amount of mechanical knowledge and expertise. It is not a DIY project for most individuals.

c. Potential Engine Noise: Some users have reported increased engine noise after installing the top end kit. This could be a concern for those who prefer a quieter riding experience.

d. Unintended Consequences: Upgrading the engine size can lead to unintended consequences, such as increased tire wear, suspension stress, and potential handling issues.

The WSM 1800cc top end kit for 2017-2018 Yamaha motorcycles offers significant performance improvements, including increased power, torque, and throttle response. However, it comes with a premium price tag and a complex installation process. Additionally, potential drawbacks include increased engine noise and potential unintended consequences.

If you are an experienced motorcycle mechanic or have the resources to hire a professional to install the kit, and you are willing to invest in a significant performance upgrade, then the WSM 1800cc top end kit may be worth considering. However, if you are a casual rider or have a limited budget, there may be other, more affordable upgrades that would better suit your needs.

Details:

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. They are designed to prevent skirt and ring groove breakage. Parts without fitment are to be assumed universal and may require vehicle modification. I need to exchange an item.

This is helpful if you are buying multiple items. 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 oversize to 86.40mm bore for 2017 - 2018 Yamaha fc1800b wave runner Fox limited Soho jet ski: bore: 86.40mm, sizing: 0.50mm.: brand: Wsm, model number: 16101-W344722-81.

Piston walls are treated with a nonabrasive coating which reduces heat and friction for extended life.

specifications watercraftimp:

• for makes: Yamaha
• for years: 2017–2018
• brand: Wsm
• mpn: 16101-w344722-81

shipping watercraftimp:

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

payments watercraftimp:

• other
• credit card: mastercard
• wallet: paypal

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

returns watercraftimp:

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

seller watercraftimp:

• # reviews: 64617
• rating: 99.5%
• city: boise, id

offer watercraftimp:

• started: august 11, 2025
• options: ship-to-home
• sold #: 25
• prices: $319.95–$569.66
• item condition: New
• availability: in stock
• in stock #: 5