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Piston Kit 8.6:1 Compression - 83.50mm Bore (+0.50mm) - Yamaha ATV

$177.95

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Details

  • SKU: 4676M08350
  • Manufacturer: Wiseco

Description

Yamaha ATV

  • Bore - Actual: 83.50mm
  • Bore - Oversize: 0.50mm
  • Compression Ratio - Actual: 8.6:1
  • Displacement: 389cc
  • Note: Cylinder boring required
  • Stroke: 71.50mm
  • Type: Piston Kit
  • UPC: 193564125729

California Restricted

California laws prohibit (in most cases) the use of any aftermarket product whose installation requires the removal of any emissions control related components as regulated by the California Air Resources Board (www.arb.ca.gov).

If an item is designated as "Competition and Racing Vehicles Only", we will require a race waiver be digitally signed before an item can ship to California. If an item is to be exported from California, an export waiver is available as well. This is a REQUIRED guarantee from you that a restricted item will NOT be used on any public highway in California; only on private race tracks in racing or competition use.

    Includes The Following Components
  • 3287XC - 83.50 mm Ring Set
  • CW19 - 19mm Round Wire Locks - Set of Two
  • Ring - Set
  • S376 - PistonPin 19mm x 2.500" NonChromed SW

  • All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life
  • Pistons can be installed in any of today's cylinder bore compositions (cast iron, chrome, nikasil and boron composite) with confidence
  • Wiseco's state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today's market place
  • All kits come with pistons, rings and circlips

This part fits the following

TypeMakeModelYearEngineLocationRequiredNotes
ATV / SxSYamahaYFM400 Big Bear 4x420003841
ATV / SxSYamahaYFM400 Big Bear 4x420014001
ATV / SxSYamahaYFM400 Big Bear 4x420024001
ATV / SxSYamahaYFM400 Big Bear 4x420034001
ATV / SxSYamahaYFM400 Big Bear 4x420043841
ATV / SxSYamahaYFM400 Big Bear 4x420053841
ATV / SxSYamahaYFM400 Big Bear 4x420063841
ATV / SxSYamahaYFM400 Big Bear IRS 4x420074001
ATV / SxSYamahaYFM400 Big Bear IRS 4x420084001
ATV / SxSYamahaYFM400 Big Bear IRS 4x420094001
ATV / SxSYamahaYFM400 Big Bear IRS 4x420104001
ATV / SxSYamahaYFM400 Big Bear IRS 4x420114001
ATV / SxSYamahaYFM400 Big Bear IRS 4x420124001
ATV / SxSYamahaYFM400F Kodiak19934011
ATV / SxSYamahaYFM400F Kodiak19944011
ATV / SxSYamahaYFM400F Kodiak19954011
ATV / SxSYamahaYFM400F Kodiak19964011
ATV / SxSYamahaYFM400F Kodiak19984011
ATV / SxSYamahaYFM400F Kodiak19994011


This product was added to our catalog on Tuesday 18 August, 2020.




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