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Top End Piston Kit 95.00mm Bore (STD) - For 04-05 YFZ450


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  • SKU: PK1071
  • Manufacturer: Wiseco


For 04-05 YFZ450

  • Bore: 95.00mm
  • Bore - Actual: 95.00mm
  • Bore - Oversize: STD
  • Compression Ratio: 12:1
  • Displacement: 439cc
  • Stroke: 62.00mm
  • Type: Piston Kit
  • UPC: 193564148513
    Includes The Following Components
  • 3741XS - 95.00 mm Ring Set
  • 4865M09500 - Yam YFZ450 '04-13/450R '09-19 11.4:1 CR
  • CW20 - 20mm Round Wire Locks - Set of Two
  • Gasket
  • Gasket Kit
  • Ring - Set
  • S641 - PistonPin 20mm x 1.986" NonChromed SW
  • W6129 - TopEndGsktKit Yamaha YZ450F '03-05 95mm

  • Top End kit includes: piston, rings, wrist pin, clips, top end bearing (2 strokes), and gasket kit
  • Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Superbike, and more
  • Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy
  • High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power
Wiseco's complete top end Piston Kits are offered for nearly every popular motorcycle application. These kits contain everything you need to complete your rebuild the right way, the first time. High quality parts specifically chosen by us to match our forged pistons are included in this kit for easy one stop shopping.

This part fits the following

ATV / SxSYamahaYFZ45020044491
ATV / SxSYamahaYFZ45020054491
ATV / SxSYamahaYFZ45020064491
ATV / SxSYamahaYFZ45020074491
ATV / SxSYamahaYFZ45020084491
ATV / SxSYamahaYFZ45020094491

This product was added to our catalog on Friday 09 February, 2018.

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