Wiseco Piston Assembly

  • Part #: 4881M07900
  • Manufacturer Part #: 4881M07900
This item is no longer available
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Overview of Wiseco Piston Assembly

  • Wiseco forged race only pistons are superior in strength and design
  • 13.5:1 compression - skirt coated, two rings
  • Nikasil Bore-Cylinder sleeving or replating reequired for oversizes
  • We carry the full line of Wiseco forged pistons, big bore kits and related items

  • Included Items:
    One 79.0mm piston
    One 3110XG ring set
    Two CW16 circlips
    One S686 wrist pin

    Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.


Specs for Wiseco Piston Assembly

Fitment for Wiseco Piston Assembly

Part 4881M07900 fits the following machines

See if this part fits your ride

2009 Yamaha WR250F
2008 Yamaha WR250F
2007 Yamaha WR250F
2006 Yamaha WR250F
2005 Yamaha WR250F
2006 Yamaha YZ250F
2005 Yamaha YZ250F
2006 Yamaha YZ250FSP 50th Anniversary Edition

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Instructions and Media for Wiseco Piston Assembly

Instructions - PDF Instructions - PDF Instructional PDF