• Namura

Namura Piston Assembly - 68mm Bore - NX-40026

  • Part #: 131734S
  • Manufacturer Part #: NX-40026
  • Our Price: $79.99
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131734S
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Overview of Namura Piston Assembly - 68mm Bore - NX-40026

  • High-performance Namura pistons are engineered in the USA, manufactured in Taiwan
  • High-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing
  • Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower and fuel economy
  • Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures when combined with Teflon/Molybdenum coated skirts
  • MOS2 (Teflon/Molybdenum) coated skirts perform at the highest standards, reducing friction and heat for added power and longevity
  • Namura rings match the OEM design except as noted
  • -B (.0004 in.) and -C (.0008 in.) fractional oversize pistons, available for some applications, extend the life of your expensive cylinder by renewing the original clearance if it's slightly worn, avoiding an expensive sleeve installation
  • Piston assemblies include ring(s), wrist pin and circlips


  • NOTE: Nikasil Bore; cylinder sleeving or replatling required for oversizes

    HOW TO ORDER
    All piston and ring sizes are indicated by the suffix number/letters as shown in the chart below. Use the PART NO. listed for your machine, and complete it by adding the letter(s) and/or numbers to the end, indicating the exact size needed - standard, fractional or incremental oversize (no cylinder boring or sleeving involved) or regular oversizes, which require boring or sleeving of the cylinder, depending on the material.


Specs

Bore Size 68mm
Type Piston Assembly
Units Each
Weight 0.8 lbs

Specs for Namura Piston Assembly - 68mm Bore - NX-40026

Bore Size 68mm
Type Piston Assembly
Units Each
Weight 0.8 lbs

Fitment for Namura Piston Assembly - 68mm Bore - NX-40026

Part 131734S fits the following machines

See if this part fits your ride

Yamaha
1997 Yamaha WR250Z
1996 Yamaha WR250Z
1995 Yamaha WR250Z
1994 Yamaha WR250Z
1993 Yamaha WR250Z
1992 Yamaha WR250Z
1998 Yamaha YZ250
1997 Yamaha YZ250
1996 Yamaha YZ250
1995 Yamaha YZ250
1994 Yamaha YZ250
1993 Yamaha YZ250
1992 Yamaha YZ250

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Instructions and Media for Namura Piston Assembly - 68mm Bore - NX-40026

Video Brand Overview: Namura Techologies- Pistons and Gaskets Instructional Video 2:52