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Wiseco Pistons PK1900 Top End Piston Kit Yamaha YZ450F 97mm Bore 12.5:1 Compression

(2014-2017 Yamaha YZ450F; 2016-2018 Yamaha WR450F; 2016-2020 Yamaha YZ450FX)

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

PK1900
13 reviews
Sale Price

$267.99

2 left at this price

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Usually delivered within 2 days

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Product Details

The Wiseco PK1900 is a complete high-performance top end rebuild kit designed specifically for 2014-2017 Yamaha YZ450F models. This kit provides a 97.0mm bore diameter with an aggressive 12.5:1 compression ratio, delivering increased power and throttle response for competitive motocross and off-road racing applications.

Complete Top End Kit Includes:

  • High-strength forged piston engineered for maximum durability under extreme racing conditions
  • Piston rings designed for optimal seal and heat transfer
  • Wrist pin and circlips for secure piston rod connection
  • Complete top end gasket set for proper sealing during installation

Wiseco's forged piston construction offers superior strength compared to cast pistons, with precise machining tolerances that ensure consistent performance. This kit contains everything needed for overboring or complete top end rebuilding, making it ideal for racers and enthusiasts seeking reliable performance restoration or power enhancement. The 12.5:1 compression ratio is optimized for race fuel applications.

Products specifications

Fits

2014-2017 Yamaha YZ450F; 2016-2018 Yamaha WR450F; 2016-2020 Yamaha YZ450FX

We'll See?

fast,i like to order and go,

Best price and super easy transaction

Could not find the place for the 20% off shipping promotion code.

thanks

No bad. Could indicate line size, like 5/16 in. I had to lookup Dorman's P/N to find the size. Tks

Found exactly what I was looking for.

Prices are right, and available, thank you!!

Great

very easy to shop Thank You

fast and easy

Search should be able to be narrowed down more. Too many options to weed through. Otherwise good site.

Quick and easy

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