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Pro X Piston Assembly - 94.95mm Bore - 01.2429.A

  • Part #: 131264S
  • Manufacturer Part #: 01.2429.A
This item is no longer available

Overview of Pro X Piston Assembly - 94.95mm Bore - 01.2429.A

  • The smart alternative to costly engine repairs
  • Cast from a high-silicone content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances
  • Available in standard and oversizes
  • Pro X rings are exact OEM replacements and can be interchange with stock part
  • B, C, D and E extend the life of expensive plated cylinders


  • Included Items:
    One 94.96mm piston
    One set rings
    Two circlips
    One wrist pin


NOTE: This is a fractional oversize piston of .0004 in. (four-ten-thousandths inch) intended for slightly worn cylinders - Please be sure this is what you need before ordering

Specs for Pro X Piston Assembly - 94.95mm Bore - 01.2429.A

Bore Size 94.95 mm
Type Piston Assembly
Type Piston w/Ring Set
Units Each
Weight 0.56 lbs

Specs for Pro X Piston Assembly - 94.95mm Bore - 01.2429.A

Bore Size 94.95 mm
Type Piston Assembly
Type Piston w/Ring Set
Units Each
Weight 0.56 lbs

Fitment for Pro X Piston Assembly - 94.95mm Bore - 01.2429.A

See if this part fits your ride

Part 131264S fits the following machines

Yamaha
  • 2009 Yamaha WR450F
  • 2008 Yamaha WR450F
  • 2007 Yamaha WR450F
  • 2006 Yamaha WR450F
  • 2005 Yamaha WR450F
  • 2004 Yamaha WR450F
  • 2003 Yamaha WR450F
  • 2009 Yamaha YZ450F
  • 2008 Yamaha YZ450F
  • 2007 Yamaha YZ450F
  • 2006 Yamaha YZ450F
  • 2005 Yamaha YZ450F
  • 2004 Yamaha YZ450F
  • 2003 Yamaha YZ450F
  • 2006 Yamaha YZ450FSP 50th Anniversary Edition
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Instructions and Manuals for Pro X Piston Assembly - 94.95mm Bore - 01.2429.A