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Wiseco Piston Assembly - 4858M07700

  • Part #:
    4858M07700
  • Manufacturer Part #:
    4858M07700

MSRP Price: $220.95

Our Price: $188.92

You Save:
$32.03 (14%)
Ships In 3-4 Business Days

Overview of Wiseco Piston Assembly - 4858M07700

  • Wiseco race only forged pistons are superior in strength and design
  • 13.25:1 compression - light weight, gas ported, ans skirt coated
  • Nikasil Bore-Cylinder sleeving or replating required for oversizes
  • We carry the full line of Wiseco forged pistons, big bore kits and related items


  • Included Items:
    One 77.0mm piston
    One set 7700YC Rings
    One set 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 - 4858M07700

Bore Size 77 mm
Type Piston w/Ring Set
Units Each
Weight 0.55 lbs

Specs for Wiseco Piston Assembly - 4858M07700

Bore Size 77 mm
Type Piston w/Ring Set
Units Each
Weight 0.55 lbs

Fitment for Wiseco Piston Assembly - 4858M07700

See if this part fits your ride

Part 4858M07700 fits the following machines

Yamaha
  • 2006 Yamaha YZ250F
  • 2005 Yamaha YZ250F
  • 2004 Yamaha YZ250F
  • 2003 Yamaha YZ250F
  • 2002 Yamaha YZ250F
  • 2001 Yamaha YZ250F
  • 2006 Yamaha YZ250FSP 50th Anniversary Edition
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Instructions and Manuals for Wiseco Piston Assembly - 4858M07700