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Wiseco 87-13 Yamaha YFM350 Warrior/Raptor 10.25:1 Piston Kit

SKU: WISPK1020

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports

Wiseco 87-13 Yamaha YFM350 Warrior/Raptor 10.25:1 Piston Kit

SKU: WISPK1020

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports

A$499.09
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for.

Product Overview

Wiseco PK YFM350 84.0MM (4419M)

Product Details

Description:Wiseco PK YFM350 84.0MM (4419M)
Part Number:wisPK1020

Part Type

Engine Piston Set

Data: v4.2 - Upd: 2026-09-30 17:35:46

Features

  • Dedicated forgings allow for optimized strength-to-weight ratio
  • Designed and built for each specific 4-stroke powersports engine
  • Engineered, forged, and machined in the USA in Mentor, OH
  • Improved tensile strength of forged material optimizes strength and service life
  • Includes high-quality piston rings, wrist pin(s), and circlips

Specifications

Product Attributes - Brand
Wiseco
Product Attributes - Manufacturer's Part Number
PK1020
Product Attributes - Part Type
Powersports Piston and Ring Kits
Product Attributes - Product Line
Wiseco Powersports Piston Kits
Product Attributes - UPC
00193564148032
Product Attributes - Piston Material
Forged aluminum
Product Attributes - Bore (mm)
84.000mm
Product Attributes - Stroke
64.50mm
Product Attributes - Wrist Pin Style
Floating
Product Attributes - Wrist Pin Retainers Included
Yes
Product Attributes - Top Ring Material
Steel
Product Attributes - Top Ring Facing Material
Chrome
Product Attributes - Second Ring Material
Cast iron
Product Attributes - Second Ring Facing Material
Phosphate coated
Product Attributes - Oil Ring Material
Stainless steel
Product Attributes - Oil Ring Facing Material
Chrome
Product Attributes - File Fit
No
Product Attributes - Gapless
No
Product Attributes - Gaskets Included
Yes
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Wiseco
StreetFX SKU wisPK1020
SFX Item ID 4064642
Supplier Item Code 4064642
Manufacturer SKU PK1020
Manufacturer UPC 193564148032
Alternative References YFM350

Compatibility

Application Data
  • MakeYAMAHA
    ModelYFM350 BRUIN AUTO 2X4
    Beginning Year2004
    Ending Year2006
    Powersports Compression Ratio10.25 to 1
  • MakeYAMAHA
    ModelYFM350ER MOTO-4
    Beginning Year1987
    Ending Year1995
    Powersports Compression Ratio10.25 to 1
  • MakeYAMAHA
    ModelYFM350FW BIG BEAR 4X4
    Beginning Year1987
    Ending Year1999
    Powersports Compression Ratio10.25 to 1
  • MakeYAMAHA
    ModelYFM350F WOLVERINE 4X4
    Beginning Year1995
    Ending Year2005
    Powersports Compression Ratio10.25 to 1
  • MakeYAMAHA
    ModelYFM350 GRIZZLY 4X4 AUTO
    Beginning Year2007
    Ending Year2014
    Powersports Compression Ratio10.25 to 1
  • MakeYAMAHA
    ModelYFM350 GRIZZLY AUTO
    Beginning Year2007
    Ending Year2012
    Powersports Compression Ratio10.25 to 1
  • MakeYAMAHA
    ModelYFM350 GRIZZLY AUTO
    Beginning Year2014
    Ending Year2014
    Powersports Compression Ratio10.25 to 1
  • MakeYAMAHA
    ModelYFM350 GRIZZLY IRS 4X4 AUTO
    Beginning Year2007
    Ending Year2012
    Powersports Compression Ratio10.25 to 1
  • MakeYAMAHA
    ModelYFM350 RAPTOR
    Beginning Year2004
    Ending Year2013
    Powersports Compression Ratio10.25 to 1
  • MakeYAMAHA
    ModelYFM350U BIG BEAR 2X4
    Beginning Year1997
    Ending Year1999
    Powersports Compression Ratio10.25 to 1
  • MakeYAMAHA
    ModelYFM350 WOLVERINE
    Beginning Year2006
    Ending Year2009
    Powersports Compression Ratio10.25 to 1
  • MakeYAMAHA
    ModelYFM350X WARRIOR
    Beginning Year1987
    Ending Year2004
    Powersports Compression Ratio10.25 to 1

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