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Wiseco 797M05400 Pro-Lite Piston Kit 54mm Standard Bore 2-Stroke

(2002-2004 Yamaha YZ125)

Manufacturer

Part Number

797M05400
Sale Price

$144.99

Estimated ship date Monday, November 23

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Live-in-stock inventory

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Fitment guaranteed

Product Details

The Wiseco 797M05400 is a Pro-Lite forged piston kit featuring a standard bore size of 54.00mm, designed for high-performance 2-stroke dirt bike applications. This complete piston kit includes everything needed for installation: piston, rings, wrist pin, and circlips.

Forged for Superior Performance: Wiseco pistons are forged from high-silicon, low-expansion aerospace-grade aluminum alloy, which provides exceptional strength-to-weight ratio, reduced weight, improved heat transfer, and extended service life. The forging process compresses the material's molecules and aligns the grain structure, resulting in superior resistance to impact and fatigue compared to cast pistons.

Key Features:

  • Standard bore size: 54.00mm with 54.5mm stroke
  • Pro-Lite design features CNC-machined piston skirt profiles for minimal cylinder wall friction
  • Diamond-turned finish from CNC computer-controlled turning centers ensures perfect surface finish with no size variation
  • Computer-engineered skirt profiles provide optimal cam shape for peak horsepower and service life
  • Horizontal slot-pin oiling reduces friction and provides scuff resistance
  • Pressure seal groove maximizes ring seal
  • Compatible with all modern cylinder bore compositions including cast iron, chrome, Nikasil, and boron composite
  • Manufactured in the USA with over 80 years of racing heritage

Complete Kit Includes: Forged piston, high-performance ring set, wrist pin, and circlips. This kit provides everything needed for a professional piston installation. Note that only Wiseco replacement ring sets can be used on Wiseco pistons to maintain optimal performance and warranty coverage.

Wiseco Pro-Lite pistons are trusted by top race teams in Supercross, Motocross, GNCC, and other demanding motorsport applications where durability and performance are critical.

Products specifications

Fits

2002-2004 Yamaha YZ125

Size

54.00mm

easy and fast

cool

proof is in the pudding

very easy/friendly website

Was quick and easy to use

Item was easy to find

Great price and shipping. Just now placed another order because I can rely on them to get my parts to me quick.

thanks

Found what I needed at a great price.

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