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 PK1401 Top End Piston Kit for Yamaha Compression - 2005-2007 YZ250F/WR250F 12.5 1

(2005-2007 Yamaha YZ250F; 2005-2013 Yamaha WR250F)

Part of: Wiseco Pistons Top End Piston Kit Honda

Other options in this family: Wiseco Pistons PK1659 Wiseco Pistons PK1904 Wiseco Pistons PK1092 Wiseco Pistons K1076 Wiseco Pistons PK1057

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

PK1401
11 reviews
Sale Price

$269.99

In Stock (7)

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 PK1401 Top End Kit delivers race-proven performance for 2005-2007 Yamaha YZ250F and WR250F models. Engineered with a 12.5:1 compression ratio, this complete kit provides everything needed for a professional-grade top end rebuild with components chosen by championship-winning race teams.

Kit Includes:

  • Dedicated forging piston manufactured from aerospace-grade aluminum alloy for optimal strength-to-weight ratio
  • High-performance ring set designed for extended life and sustained power delivery
  • Premium alloy wrist pin with precision machining for consistent durability
  • Top end needle bearing machined from highest quality materials for reduced friction
  • Complete Wiseco top end gasket kit with premium sealing technology that exceeds OEM standards

Performance Features:

  • CNC machined components with optimal cam shape and profile for peak horsepower
  • Dedicated forging specific to Yamaha YZ/WR250F applications
  • Race-tested design proven in professional motocross and off-road competition
  • Superior sealing technology and reduced friction for maximum engine efficiency

Wiseco's commitment to precision manufacturing and aerospace-grade materials makes the PK1401 kit the top choice for riders demanding maximum performance and reliability from their Yamaha 250F engine.

Products specifications

Fits

2005-2007 Yamaha YZ250F; 2005-2013 Yamaha WR250F

Size

77.0mm

I could not find this part and I needed help so I called in . A gentleman named Hector helped me out and made things easier for me.

Hard to find part, found it.

complete exhaust system was easy to match up.

Easy

Fast and easy

fine so far

Had what I needed

easy to find most parts could not find front emblem for grill

Was a whole lot faster and easier than other websites. Also a whole lot cheaper!! Good job

I placed an order with Autoplicity and it shipped the next day. The first part of the order was received he following day but I had to wait 5 days for the second part to come from across the country. They were available on the phone for questions, prompt, and courteous every time I called. Autoplcities pricing was the best that I could find anywhere for my autometer gauge, and I will definitely be doing business with you guys again!<br>

The ordering process was simple and user friendly. The pricing was the lowest I could find for a brand new AMP Powerstep for my Ford F150. The tracking number was provided and the item is scheduled for FedEx ground delivery in 3-days.

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