My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Wiseco Pistons PK1571 ProLite Piston Kit for 2005-2008 Yamaha YZ125 54mm

(2005-2021 Yamaha YZ125; 2020-2022 Yamaha YZ125X)

Part of: Wiseco Pistons ProLite Piston Kit Yamaha

Other options in this family: Wiseco Pistons 899M05400 Wiseco Pistons PK1502 Wiseco Pistons PK1521 Wiseco Pistons PK1567 Wiseco Pistons PK1504

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

PK1571
14 reviews
Sale Price

$191.99

1 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Wiseco ProLite Piston Kit PK1571 is engineered specifically for 2005-2008 Yamaha YZ125 two-stroke motocross bikes requiring a 54mm bore. This complete top-end rebuild kit provides everything needed to restore or upgrade your engine's performance with professional-grade components.

Complete Kit Includes:

  • Forged ProLite piston with 54mm bore diameter
  • Piston rings pre-gapped for proper end clearance
  • Wrist pin and circlips
  • Top-end gasket set for complete seal

ProLite Performance Features:

  • Forged from high-silicon aluminum alloy for superior strength and heat resistance
  • Lighter weight design reduces reciprocating mass for improved throttle response
  • Precision machined skirt profile reduces friction and wear
  • Advanced ring groove design ensures optimal ring seal and longevity

Wiseco's ProLite pistons are a popular choice among motocross racers and enthusiasts for their proven durability and performance gains. The 845M piston design features Wiseco's proprietary forging process that creates a dense, uniform grain structure for maximum reliability under extreme racing conditions. Ideal for overbore applications or complete top-end rebuilds.

Products specifications

Fits

2005-2021 Yamaha YZ125; 2020-2022 Yamaha YZ125X

aa

Simple and easy, great pricing

Stump simple checkout.

It took a few tries, but I got my order confirmation.

thank you

Good price, not an accurate picture of item

Good so far. Easy registration and login. Nice line of products.

Thank Goodness you guys have next day air I really appreciate it!

quick, as long as what is ordered is what i get.

Best Price on the Net for K&N System for my 2012 HEMI RAM. My Order 18270 is shipping today and I can't wait to get it installed!

gREAT SERVICE GREAT PRICE

I found autoplicity while trying to locate a side mirror for my vehicle. The website is user friendly and the prices are fantastic! The product is also shipped quickly... I am definitely going to purchase from Autoplicity again!

First time that I have tried Autoplicity. Best price on the brand/part that I really wanted. Fast turnaround, and they have great customer service. Will use again. Highly recomend!

Ordered an EGR bug shield. After a short delay due to the Christmas holiday I called and customer service quickly tracked it down and it showed up a few days later. Best price on the internet!

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy