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  See more parts for Kawasaki KDX50
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Wiseco Top End Kit 41.50mm +0.50 for Kawasaki KFX 50 2003-2017, KDX 50, Suzuki JR50 - PK1666

Wiseco PK1666 Complete Top End Piston Kit

If you're looking to give your mini bike or ATV the refresh it deserves, the Wiseco PK1666 Complete Top End Piston Kit is your go-to solution. Designed specifically for popular models like the Kawasaki KFX 50 and Suzuki JR50, this kit includes everything you need for a successful rebuild. No more guesswork or hunting down compatible parts; Wiseco has bundled high-quality components that work seamlessly with their forged pistons, ensuring you get the job done right the first time.

Product Details

  • Displacement: 51cc
  • Bore (Standard): 41.00mm
  • Bore (Actual): 41.50mm
  • Bore (Oversize): 0.50mm
  • Stroke: 37.80mm
  • Cylinders: 1

Fitment

  • Kawasaki KFX 50 (2003-2017)
  • Kawasaki KDX 50 (2003-2006)
  • Suzuki JR50 (1978-2006)
  • Suzuki LT50 Quadrunner (1984-1987)

Why Choose Wiseco?

Wiseco is known for its commitment to performance and reliability. This kit is tailored to enhance the performance of your ride, whether you’re hitting the trails or just cruising around. The precision-engineered components ensure a perfect fit and optimal performance, making it an essential upgrade for anyone looking to maintain or enhance their bike.

Customer Feedback

“I installed the Wiseco PK1666 on my 2015 Kawasaki KFX 50, and the difference was noticeable right away. The power delivery is smoother, and I can feel the bike pulling harder out of corners. Definitely a worthwhile investment for anyone looking to keep their KFX running strong!”

“After rebuilding my Suzuki JR50 with this kit, it feels like a brand new bike! The quality of the parts is top-notch, and installation was straightforward. I’d recommend it to any JR50 owner looking to breathe new life into their ride.”

Upgrade your Kawasaki or Suzuki with the Wiseco PK1666 Complete Top End Piston Kit and experience the performance boost you’ve been looking for!

Other Part Numbers:
Wiseco #PK1666

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⚠ WARNING: Cancer and Reproductive Harm
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Vehicle Make/Model
Kawasaki KDX50 2003-2006 Base
Kawasaki KFX50 2003-2009, 2013-2017 Base
Suzuki JR50 1978-2006 Base
Suzuki LT50 QuadRunner 1984-1987 Base

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Who is Wiseco Pistons?

Wiseco Pistons is an aftermarket company established in 1940 and started in Cleveland, Ohio when Clyde Wiseman designed to create his pistons for himself and his friends. Soon after, people started ordering the same piston and became a favorite of many motorsport enthusiasts. 

Today, Wiseco’s has become a world-renowned brand for piston and other high-performance products.

Hightech Manufacturing Facility

Over the years, the company grew and relocated its corporate headquarters in Mentor, Ohio. It now boasts over 150,000 square feet of state-of-the-art forging facility with CNC machining equipment. Wiseco also has fully stocked, strategically located distribution centers all over Canada and Europe to cater to their customers wherever they are.

Global Footprint

As an internationally acclaimed brand, Wiseco gained customers' trust in Europe, Africa, South America, Asia, and Australia. Wiseco is now considered the world leader in manufacturing hi-performance, forged pistons for motorcycles, snowmobile, motorcycle, ATV, outboard marine, and automotive markets.

Purchase Wiseco Pistons at Vivid Racing

If you search for quality pistons that would provide you with optimum performance, then Wiseco Pistons is the right brand for you. It is designed for those who want the best. With 75 years of experience under their belt, you can be sure that Wiseco Pistons is a brand you could trust. 

To know more about Wiseco Pistons and what they can offer, visit Vivid Racing and check out their list of products that would fit your specific needs.

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