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Wiseco Pistons PK1390 Top End Piston Kit for 2005-2007 Yamaha YZ125 54mm

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

Part of: Wiseco Pistons Top End Piston Kit Honda

Other options in this family: Wiseco Pistons PK1659 Wiseco Pistons PK1092 Wiseco Pistons PK1099 Wiseco Pistons PK1401 Wiseco Pistons K1076

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

PK1390
14 reviews
Sale Price

$228.99

1 left at this price

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Usually delivered within 2 days

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Product Details

The Wiseco Pistons PK1390 is a complete top end piston kit engineered specifically for 2005-2007 Yamaha YZ125 motorcycles with a 54mm bore. This GP Series kit features Wiseco's race-proven piston design utilizing aerospace-grade forging alloys for an optimal strength-to-weight ratio that's trusted by professional race teams across all forms of motorsports competition.

Complete Top End Kit Includes:

  • CNC-machined dedicated forging piston with optimal cam profile for maximum horsepower and extended service life
  • High-performance ring set designed for extended life and sustained power delivery
  • Premium top end needle bearing precision-machined from highest quality materials for strength and reduced friction
  • High-quality alloy wrist pin for consistent performance and durability
  • Complete Wiseco top end gasket kit with premium materials that exceed OEM sealing standards

Wiseco's GP Series pistons are designed for serious two-stroke riders who demand professional-grade performance and reliability. The precision CNC machining ensures exact tolerances while the aerospace alloy construction delivers superior durability under extreme racing conditions.

Products specifications

Fits

2005-2021 Yamaha YZ125; 2020-2022 Yamaha YZ125X

Size

54

Easy

Easy to navigate and fast checkout. Product was perfect, all springs spec'd out on the money, thanks. A+++++++++++++++++++

Very easy shopping experience. Saved a couple of bucks vs. Amazon

I'll reserve comment until the parts arrive!

Very good web site to navigate and fast checkout

thank you

item said it qualified for free shipping(free shipping logo was displayed next to item) and we were charged $12.35 for shipping

so far easy and efficient

?

thanks

Easy Ordering.

Easy shopping, good prices. Would like just a little more specific information on the item descriptions.

Awesome so far !!!!

Very easy to order on line and excellent communication, very good price.

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